Free Business Tools & Calculators
Every free invoice24 tool in one place, built for Canada businesses — invoicing, payroll, tax calculators, converters, PDF tools, and generators. All free, no sign-up required.
Invoicing & Documents
Invoice Generator →Create and send professional invoices, free, no sign-up required.Receipt Generator →Generate itemized, print-ready receipts for any sale or payment.Estimate Generator →Create a professional quote or estimate to send to a prospective client.Quote Generator →Create a firm, fixed-price quote or quotation a client can accept, then download as PDF.Credit Note Generator →Correct or cancel an already-issued invoice with a referenced credit note, then download as PDF.Canada Purchase Order Generator →Create and send purchase orders to suppliers, tracked and print-ready.Expense Report Generator →Log business expenses and generate an expense report for reimbursement or accounting.Invoice Templates →Free, downloadable invoice templates in Word, Excel, and PDF.Estimate Template →Download a free estimate template for Canada with editable line items, validity dates, GST/HST notes, and Word or Excel formats.Quote Template →Download a free quote template for Canada with acceptance terms, expiry dates, GST/HST notes, and Word or Excel formats.Proforma Invoice Template →Download a free proforma invoice template for Canada with line items, customs/payment notes, GST/HST caution, and Word or Excel formats.Credit Note Template →Download a free credit note template for Canada with original invoice reference, reason, GST/HST adjustment, and Word or Excel formats.Delivery Note Template →Download a free delivery note template for Canada with delivery address, item quantities, carrier details, signature fields, and Word or Excel formats.Purchase Order Template →Download a free purchase order template for Canada with PO number, supplier details, delivery address, approval fields, and Word or Excel formats.Itemized Invoice Template →Download a free itemized invoice template for Canada with detailed line items, quantities, unit prices, GST/HST, totals, and Word or Excel formats.Receipt Template →Create professional receipts for your Canadian business. Add line items, apply HST/GST, and download as a PDF — free, no account needed.Document Templates →Fill-in legal and business document templates — free Word and PDF downloads, no sign-up.Invoice Templates by Industry →Download industry-specific invoice templates in Google Sheets, Google Docs, Excel, and Word.Invoice Generators by Industry →Invoice generators tailored field-by-field to your specific trade or profession.E-Signature →Sign documents electronically or collect signatures from clients online.
Payroll & Tax Calculators
GST Calculator →Calculate the correct sales/VAT/GST tax to charge on an invoice.Salary Calculator →Calculate gross-to-net salary, tax, and deductions for an employee.Payslip Generator →Generate compliant, itemized payslips for employees each pay period.Hourly Pay Calculator →Calculate hourly take-home pay, overtime, and the total employer cost.Income Tax Calculator →Estimate personal income tax owed based on income and allowances.Corporation Tax Calculator →Calculate corporation/company tax owed on business profits.Two Jobs Tax Calculator (Canada) →See how the TD1 basic personal amount rule for a second employer affects combined payroll withholding when you work two jobs in Canada.Pro Rata Salary Calculator →Calculate pro-rata salary from full-time pay, weekly hours and part-year work.Bradford Factor Calculator →Calculate an absence score from absence incidents and total days absent.Federal Vacation Pay Calculator →Estimate Canada Labour Code annual vacation weeks and vacation pay for federally regulated employees.EI Sickness Benefits Calculator →Estimate Canadian EI sickness benefits from weekly insurable earnings and sickness weeks.Maternity and Parental Benefits Calculator →Estimate Canadian EI maternity and parental benefits from weekly earnings and benefit weeks.Company Car Taxable Benefit Calculator →Calculate the CRA standby charge and operating cost benefit for an employer-provided automobile.
Project & Time Tracking
Project Cost Calculator →Estimate total project cost from labor, materials, and overheads.Revenue Forecaster →Forecast future revenue based on historical growth and trends.Work Hours Calculator →Calculate total hours worked between a start and end time.Time Card Calculator →Total up weekly time card hours for payroll, including overtime.Timesheet Template →Log hours, breaks and overtime with automatic totals — no sign-up.
Business Calculators
Margin Calculator →Work out profit margin, markup, and selling price from cost and margin percentage.Percentage Calculator →Calculate percentages, percentage change, and percentage of a total instantly.Loan Calculator →Estimate monthly repayments, total interest, and amortization for any loan.Investment Calculator →Project mutual fund and investment growth with compounding returns over time.Mortgage Calculator →Calculate mortgage repayments, interest, and amortization schedules.Mortgage Amortization Calculator →See your full amortisation schedule, compare repayment methods, and model extra payments.Date Calculator →Add, subtract, or find the difference between dates in days, weeks, or months.Board Foot Calculator →Calculate timber volume, cut lists, log scaling, and firewood conversions.GST/HST Quick Method Calculator →Work out flat-rate or simplified-scheme tax owed for small businesses.
Converters & Lookup Tools
Currency Converter →Convert between world currencies using live exchange rates.Unit Converter →Convert length, weight, volume, area, temperature, and more between units.Time Zone Converter →Compare times across time zones and find overlapping working hours.Transit Number Lookup →Look up bank routing, sort, or SWIFT/IBAN codes for domestic and international transfers.
PDF Tools
Edit PDF →Add text, images, and annotations to any PDF directly in your browser.Watermark PDF →Add text or logo watermarks to PDF files in your browser, with no upload.Merge PDF →Combine multiple PDF files into a single document in seconds.Split PDF →Extract specific pages or split a PDF into multiple separate files.Compress PDF →Reduce PDF file size for easier sharing and emailing without losing quality.PDF to Word →Convert a PDF into an editable Word (.docx) document.PDF to Excel →Extract tables and data from a PDF into an editable Excel spreadsheet.Word to PDF →Convert a Word document into a shareable, print-ready PDF.JPG to PDF →Combine one or more JPG images into a single PDF file.PDF to JPG →Convert each page of a PDF into a high-quality JPG image.
Generators & Design Tools
QR Code Generator →Create a free QR code for a URL, Wi-Fi network, contact card, or plain text.Barcode Generator →Create free EAN, UPC, Code 128, GS1-128, QR, DataMatrix and print-ready barcode labels.Logo Maker →Design a professional logo for your business in minutes, no design skills needed.Logo templates for your business →Logo templates for 450+ Canadian trades and businesses. Edit on the page, download SVG and PNG free — no account, no watermark.Letterhead Templates for Canadian Businesses →Create a professional letterhead in your browser – free, no sign-up. True US Letter size (8.5 × 11 in), not A4, with instant PDF or Word export.Menu Maker →Build a restaurant menu free on Letter — scan the one you print now.Menu Templates →Editable menu templates on Letter — fill in and download a print-ready PDF.Business Card Maker →Create and download print-ready business cards with your branding.Business Name Generator →Generate unique, available business name ideas for your new venture.SKU Generator →Generate consistent, structured SKU codes for your product inventory.Random Number Generator →Generate random numbers within a custom range for draws, samples, or testing.Password Generator →Create strong, random passwords with customizable length and character sets.Word Counter →Count words, characters, sentences, and estimated reading time instantly.Online whiteboard →Use a free online whiteboard for lessons, tutoring, remote work and quick exports in your browser.Remove Image Background →Automatically remove the background from any photo or product image.Image Resizer →Resize, compress and convert images in your browser — exact pixels, a KB target, or the 50 × 70 mm passport size.Color Picker →Pick any color from an image and get instant HEX, RGB, HSL, HSV and CMYK codes.Email Signature Generator →Create a professional HTML email signature and copy it straight into Gmail or Outlook.QR Code Scanner →Scan a QR code from your camera, screenshot, or image.
Finance & Reporting
Conversions & geometry
Square Footage Calculator →Free square footage calculator for Canadian rooms, floors, and real estate listings. Enter length and width to get square footage instantly for flooring, paint, or MLS listings.Square Metre Calculator →Free square metre calculator for Canadian rooms — square, rectangular, circular, or polygon. Get an instant m² figure for flooring, tiling, or paint quotes.Square Yards Calculator →Square yards calculator for Canadian carpet, turf, and flooring purchases. Enter length and width to get square yards instantly, plus a waste-adjusted quantity and cost.Wall Square Footage Calculator →Calculate wall square footage for paint, wallpaper, or drywall — enter room dimensions and door/window openings for an accurate paintable area and material cost estimate.Cubic Yard Calculator →Cubic yard calculator for Canadian gravel, mulch, topsoil, and concrete orders. Choose your shape, enter dimensions, and get cubic yards plus an estimated cost.Square Feet to Cubic Yards Calculator →Convert square feet to cubic yards for Canadian concrete slabs, mulch, or gravel orders. Enter area (or length x width) and depth to get the cubic yards you need.Gallons Per Square Foot Calculator →Work out pool, tank, or raised-bed fill volume in gallons or litres per square foot/metre. Enter area (or length x width) and depth for an instant fill volume and cost.Elevation Grade Calculator →Free elevation grade calculator: enter rise and run to get slope grade percentage, ratio, and angle of elevation — for driveways, drainage, ramps, and site grading.Ramp Slope Calculator →Ramp slope calculator for wheelchair and accessibility ramps. Enter rise and choose a slope ratio (e.g. 1:12 max) to get the required run, ramp length, and grade percent.Miter Angle Calculator →Miter angle calculator for trim, crown molding, and framing corners. Enter the joint angle and board widths to get the exact miter saw cut angle for each board.Angle Cut Calculator →Angle cut calculator for knee braces and diagonal supports. Enter plank thickness and the two leg distances to get the cutting angle and required plank length.Angle of Depression Calculator →Angle of depression calculator: enter vertical drop and horizontal distance to find the angle below horizontal for a line of sight — useful for surveying and site planning.Taper Calculator →Taper calculator for machining and woodworking: enter major diameter, minor diameter, and taper length to get the taper angle and taper ratio (e.g. 1:x).Rolling Offset Calculator →Rolling offset calculator for pipefitters: enter roll, set, and fitting angle to get the true offset, travel (cut length), and run for angled pipe around obstructions.
Concrete & masonry
Concrete Slab Calculator →Free Canadian concrete slab calculator: enter length, width and thickness to get volume in m³, bag count or ready-mix order size and a real cost estimate.Concrete Column Calculator →Canadian concrete column calculator: work out concrete volume for round or square columns from diameter/side and height, with bag count and material cost.Concrete Cylinder Calculator →Canadian concrete cylinder calculator: for pours or standard CSA test cylinders — enter diameter and height for volume in m³/litres, bags and material cost.Concrete Block Calculator →Canadian concrete block calculator: work out how many 16x8 in CMU blocks (CSA A165) and mortar bags you need for a wall, with a real cost estimate.Concrete Block Fill Calculator →Canadian CMU core-fill calculator: work out how much grout fills the hollow cores of a standard 8x8x16 in concrete block wall (CSA A165), with bags and cost. A standard method for reinforced CMU walls in Canadian construction, as in the US.Cement Calculator →Canadian cement calculator: enter your wet (placed) volume in m³ and mix ratio to get cement, sand and aggregate quantities, 30kg bag count and cost.Sonotube Calculator →Canadian sonotube calculator: pick a standard tube diameter (6 in - 24 in) and enter height to get concrete volume, bag count and material cost for piers.Rebar Calculator →Canadian rebar calculator: enter slab size and M-bar spacing (CSA G30.18, 10M-25M, grade 400W) to get bar count, total weight in kg and material cost.Brick Calculator →Canadian brick calculator: work out how many 194x92x57mm modular bricks (CSA A82) you need for a wall, plus mortar quantities and a real cost estimate.Retaining Wall Calculator →Canadian retaining wall calculator: work out how many segmental wall blocks you need plus gravel backfill volume and weight, with a real material cost estimate.Wall Volume & Cost Calculator →Canadian wall volume and cost calculator: enter wall length, height and thickness for a poured concrete wall, or block/brick size for a masonry wall, to get cost.
Aggregates & earthworks
Gravel Calculator →Calculate how much gravel, Granular A or crusher run you need for a driveway or landscaping project. Get volume, weight in tonnes and an instant cost estimate.Sand Calculator →Calculate how much sand you need for concrete, mortar or paver bedding. Get volume, weight in tonnes and an instant cost estimate.Crushed Stone Calculator →Work out how much crushed stone, Granular A or crusher run you need for a driveway or sub-base. Instant volume, weight in tonnes and cost estimate.River Rock Calculator →Calculate how much decorative river rock or pea gravel you need for a landscaping bed. Get volume, weight in tonnes and cost.Limestone Calculator →Calculate how much crushed limestone you need for a driveway or sub-base. Get volume, weight in tonnes and an instant cost estimate.Asphalt Calculator →Calculate how much asphalt you need for a driveway, accounting for compaction. Get tonnage and an instant cost estimate.Paver Sand Calculator →Calculate how much bedding sand and polymeric joint sand you need for a paver patio or walkway. Get volume, weight and cost.French Drain Calculator →Plan a French drain from trench dimensions: gravel backfill volume, weeping-tile run length and filter fabric area, plus total cost.
Weights
Steel Weight Calculator →Calculate the weight of round bar, rebar, tube or rectangular steel stock from its dimensions and grade. Instant weight in kg and cost estimate.Steel Plate Weight Calculator →Calculate the weight of a rectangular, circular or ring steel plate from its dimensions and grade. Instant weight in kg and cost estimate.Aluminium Weight Calculator →Calculate the weight of aluminium (aluminum) sheet, plate, round bar or tube by alloy. Instant weight in kg and cost estimate.Metal Weight Calculator →Calculate the weight of bar, tube, plate or box stock in steel, aluminium, brass, copper and more. Instant weight in kg and cost estimate.Glass Weight Calculator →Calculate the weight of a glass sheet, panel or rod by shape, thickness and glass type. Instant weight in kg and cost estimate.Pipe Weight Calculator →Calculate pipe or tube weight from outer diameter, wall thickness (or bore) and length. Instant weight in kg and cost estimate.Lumber Weight Calculator →Calculate the weight of dimensional lumber (2x4, 2x6, 2x8, SPF and more) from length, width, thickness and species, adjusted for moisture state.Log Weight Calculator →Calculate the weight of a tapered round log from its diameters, length and species, adjusted for green, air-dried or kiln-dried moisture.Concrete Weight Calculator →Calculate the weight of a concrete pour from its volume or dimensions, by concrete type. Instant weight in kg/tonnes and cost estimate.Size to Weight Calculator (Rectangular Cuboid) →Calculate the weight of any rectangular box or cuboid from its length, width and height, using a built-in materials density table or your own value.
Carpentry & framing
Framing Calculator →Calculate the number of 2x4 SPF studs, plates, and corner studs for a framed wall. Standard 16in on-center spacing per CSA O141.Rafter Length Calculator →Calculate rafter length from rise, run, and overhang, plus rafter count for your roof.Roof Truss Calculator →Calculate rafter/top-chord length and truss count for your roof, with material and installation cost.Stair Calculator →Calculate step count, riser height, tread depth, and stringer length for your staircase, checked against NBC guidance.Spiral Staircase Calculator →Calculate step count, tread angle, handrail length, and headroom clearance for a spiral staircase.Baluster Spacing Calculator →Calculate baluster (spindle) count and spacing for a deck or stair railing, checked against a 4in maximum gap convention.Wood Beam Span Calculator →Check a wood beam span against deflection, bending, and shear limits using NDS-style span checks aligned with Canadian SPF lumber and the NBCC.Floor Joist Calculator →Calculate floor joist count and cost, or find the maximum allowable span, using NDS-style span checks aligned with the NBCC and Canadian SPF lumber.Plywood Calculator →Calculate how many plywood sheets you need, using the standard 4x8ft sheet size.Roof Pitch Calculator →Convert roof rise and run into pitch as a percent grade, degrees, or x-in-12 ratio, plus rafter length.
Structural
Beam Deflection Calculator →Calculate maximum beam deflection for simply-supported or cantilever beams, with a deflection-limit pass/fail check.Beam Load Calculator →Calculate support reactions, shear force, and bending moment for a simply-supported beam carrying multiple point loads.Bending Stress Calculator →Calculate bending stress or applied moment using the flexure formula for common cross-sections, with a utilization-ratio check.Snow Load Calculator →Calculate specified roof snow load per the National Building Code of Canada, Part 4, Division B, with a roof-capacity pass/fail check.
HVAC, energy & flow
CFM Calculator →Calculate the required airflow in CFM for any room from its size and target air changes per hour (ACH).Air Changes Per Hour Calculator →Work out the ACH a room is actually getting from its size and measured airflow, and check it against the recommended target.Heat Loss Calculator →Calculate a room’s fabric heat loss for furnace/HVAC BTU load sizing from wall, window, door, floor and ceiling U-values.Air Conditioner Room Size (BTU) Calculator →Find the right air conditioner size in BTU/hr for your room from its floor area, sunlight, ceiling height and occupancy.Insulation (R-Value) Calculator →Calculate the total R-value of a multi-layer wall, roof or floor insulation build-up from material type and thickness.Gallons Per Minute (GPM) Calculator →Calculate flow rate in gallons per minute (US or imperial gallons) from volume and time, or solve for volume or time instead.Pipe Volume Calculator →Calculate the internal fluid volume and liquid mass of a straight pipe from its inner diameter, length and liquid density.Tank Volume Calculator →Calculate the total and partial-fill capacity of a vertical cylinder, horizontal cylinder, rectangular or capsule-shaped tank, in litres or gallons.
Surfaces & finishes
Flooring Calculator →Calculate how much flooring you need for a room in m² or sq ft, with material-specific waste allowance and total cost.Tile Calculator →Calculate how many tiles and boxes you need for a floor or wall, including grout gap, layout pattern and waste allowance.Grout Calculator →Calculate how many bags of grout you need for a tiled area from tile size, joint width and depth, and grout type.Thinset Calculator →Calculate how many bags of thinset mortar you need for a tile job, with thickness and trowel-notch size looked up by tile size.Drywall Calculator →Calculate how many drywall sheets you need for a room from wall/ceiling area, door and window openings, panel size and waste allowance.Wallpaper Calculator →Calculate how many rolls of wallpaper you need for a room, using the standard US double roll size and pattern repeat.Paint Calculator →Calculate how many litres of paint you need for a room from wall area, number of coats and coverage rate.Epoxy Calculator →Calculate how much epoxy resin and hardener you need for a rectangular or circular surface, at any mix ratio and coating thickness.Sealant Calculator →Calculate how many tubes or cartridges of sealant (caulking) you need for a joint or gap from its length, width and depth.Roofing Calculator →Calculate your roof’s sloped surface area from its footprint and pitch, then estimate material and cost for asphalt shingle, metal, tile or membrane roofing.Roof Shingle Calculator →Calculate how many bundles and squares of asphalt shingles you need from your roof’s footprint, pitch and material coverage.
Outdoor & fencing
Fence Calculator →Work out how many fence posts, rails, pickets and bags of concrete you need for your fence, plus total material cost in CAD.Fence Picket Calculator →Calculate exactly how many fence pickets you need from picket width and gap spacing, plus material cost in CAD.Board on Board Fence Calculator →Calculate posts, rails and overlapping boards for a board-on-board privacy fence, plus material cost in CAD.Decking Calculator →Calculate how many decking boards and fasteners you need for your deck, plus material cost in CAD.Paver Calculator →Calculate how many pavers you need for a patio or driveway from area and paver size, including waste allowance and installed cost in CAD.Pool Volume Calculator →Calculate your swimming pool volume in gallons or cubic metres and an estimated water-fill cost in CAD.Round Pen Calculator →Work out how many fence panels you need for a round pen from its diameter and panel length, plus cost in CAD.
Mechanical & electrical
Thread Calculator →Calculate metric or UTS/UNC/UNF screw thread geometry — pitch diameter, minor diameter and tolerance envelopes — from major diameter and pitch.Thread Pitch Calculator →Work out threads-per-inch (TPI) or thread pitch from a measured length and count, and match it to the nearest standard UNC/UNF size.Bolt Torque Calculator →Calculate bolt tightening torque from clamping force using K-factor, diameter and lubrication factor, with an SAE J429/ISO 898-1 torque table.Welding Calculator →Calculate fillet or butt weld load capacity from leg size, length and base-metal strength, checked against AWS D1.1, with a typical callout cost in CAD.Box Fill Calculator →Check an electrical box against its rated fill capacity from conductor count, gauge, devices and grounds — CSA C22.1 framing for Canada.
Contractor status & IR35-style calculators
PSB (Personal Services Business) Risk & Cost Calculator →Work out your Personal Services Business (PSB) risk and the extra cost if the CRA reclassifies your corporation — full corporate rate plus 5%, denied deductions and dividend double-tax, for Ontario in 2026.T4 Employee Take-Home Pay Calculator →Calculate your 2026 T4 employee take-home pay in Ontario — federal and provincial tax, CPP, CPP2 and EI — then see what the same money looks like as a contractor.Self-Employed / Incorporated Contractor Take-Home Calculator →See your 2026 self-employed take-home pay as a sole proprietor or incorporated contractor in Ontario, with both-sides CPP/CPP2, GST/HST and a PSB risk flag.Employee vs Contractor Comparison Calculator →Compare 2026 take-home pay as a T4 employee, sole proprietor and incorporated contractor side by side, including CPP2, benefits value and PSB risk.CRA Worker Misclassification Back-Tax Calculator →Estimate the CPP/EI arrears, failure-to-remit penalties and prescribed-rate interest if the CRA reclassifies a contractor as an employee, for payers and workers.TOSI & Spouse Income-Splitting Calculator →Screen your dividend or salary sprinkling against the 2026 TOSI excluded-shares, excluded-business and age-65 tests, then see the real household tax savings.
Contract vs. permanent comparisons
Salary to Contract Rate Calculator →Convert your salary into an equivalent contractor day or hourly rate for 2026, covering CPP2, benefits, unbilled weeks and GST/HST.Contract Rate to Salary Calculator →Turn your hourly or day rate into an equivalent T4 salary for 2026, with employer CPP2, RRSP match and benefits valued line by line.Contract Comparison Calculator (Two Rates) →Compare two contract offers by rate type, status (incorporated, sole prop or T4 agency) and province to see the true net income each pays in 2026.Salary Comparison Calculator (Two Salaries) →Compare two salaries side by side for 2026, including benefits, employer RRSP match, bonus and a move between provinces.Staffing Agency (T4) vs Incorporated Take-Home Calculator →Model take-home pay as a staffing-agency T4 employee versus an incorporated contractor through the same agency, including CPP2, HST and PSB risk.
Contractor payroll & dividend tax
CPP & EI Calculator (2026, incl. CPP2) →Calculate 2026 CPP, CPP2 and EI contributions for employees, employers and the self-employed, with a full per-pay-period breakdown.Dividend Tax Calculator (Eligible & Non-Eligible) →Calculate 2026 tax on eligible and non-eligible Canadian dividends using the real gross-up and federal dividend tax credit, on top of other income.
Small business & VAT
Salary vs Dividend Calculator (CCPC Owner) →Sweep salary/dividend mixes for your CCPC in 2026 — integration theory, CPP2, RRSP room and a TOSI screener — to find the true optimal payout.GST/HST Calculator →Add or remove GST/HST at 5%-15% by province, check the $30,000 small-supplier registration threshold, and see the Quick Method alternative.
Contractor financial planning
Self-Employed Mortgage Affordability Calculator →Estimate self-employed mortgage affordability using a 2-year Notice of Assessment average, add-backs and a stress-tested qualifying rate.Mortgage Payment & Net Income Impact Calculator →See a monthly mortgage payment, stress-tested at today's qualifying rate, as a share of your after-tax employee or self-employed income.RRSP Contribution & Tax Savings Calculator →Calculate your 2026 RRSP contribution room (18% of earned income, up to $33,810), the tax refund it generates, and how salary vs dividends affects it.Life Insurance Needs Calculator →Work out how much life insurance you need from your income, debts and existing cover, with a self-employed mode for missing group benefits.Contractor Financial Profile Calculator →Get an instant score for your contractor finances — tax set-aside, HST owing, emergency-fund months, RRSP room and insurance gaps.Permanent Employee Financial Profile Calculator →Get an instant financial health score from your salary — savings rate, RRSP/TFSA usage and insurance cover, benchmarked by income and province.
Target income & budget impact
Target Income Calculator (Contracting) →Work backwards from your target take-home income to the day or hourly rate you need to charge in 2026, given taxes, CPP2 and unbilled weeks.Target Income Calculator (Permanent Salary) →Reverse-calculate the gross salary needed to take home a target net amount in 2026, by province, with CPP2 factored in.Budget / Tax-Year Change Impact Calculator →See the personal dollar impact of the latest federal Budget's tax changes on your contractor or employee income, old rules versus new.Late Payment Interest Calculator (Invoices) →Calculate interest on an overdue invoice using your contract rate or the Interest Act's 5% default, with the CRA prescribed rate shown for reference.
