Contractor Invoice Calculator
Free Canadian contractor invoice calculator • no signup • updated October 2026
Add labour, materials and tax to build a contractor invoice total, with optional deposit. Free tool for Canadian trades and contractors.
Contractor Invoice Calculator
Free to use, no signup. Turn the result into an invoice ›
How the calculation works
Enter your amount
Type the figure the calculation starts from, such as a price, invoice amount or receipt total.
Set the rate or options
Choose your province, or enter the rate, term or options the calculation needs.
Read the result
See the full breakdown and total, then turn it into a professional invoice in one click.
Total = (Labour + Materials) x (1 + tax)A worked example
Second example: $3,000 labour plus $1,200 materials in Alberta adds 5% GST, for $4,410 total.
What is the contractor invoice?
What is the contractor invoice. In Canada, that means being specific about tax and terms so clients know exactly what to pay. See the related FacilInvoice tool below to do this in a couple of clicks.
How to use this calculator
How to use this calculator. Here is how it works in practice, with the Canadian rules that apply.
- Keep records of every invoice and the tax charged.
- Use the same numbering system so nothing is missed.
- Confirm current rates with the CRA or Revenu Quebec.
How contractor invoice is calculated
How contractor invoice is calculated. Keeping this clear is what gets you paid faster and keeps you compliant.
The formula
The formula.
A worked example
A worked example.
contractor invoice in Canada (by province where relevant)
contractor invoice in Canada (by province where relevant). In Canada, that means being specific about tax and terms so clients know exactly what to pay.
Other tools
Canada Revenue Agency (CRA)
Verify current rates with the source above before relying on a figure.
Frequently asked questions
How do I calculate contractor invoice?
Enter your figures in the Contractor Invoice Calculator and it returns the result instantly using the standard formula, applying the correct Canadian rate wherever tax is involved. You see the full breakdown and the total without doing the math by hand, and you can turn the result into an invoice in one click.
Is the Contractor Invoice Calculator accurate and up to date for Canada?
Yes. It uses current Canadian rates and standard formulas, so it is reliable for quoting, pricing and planning. Rates change from time to time, so for a final invoice confirm the current figure for your province with the CRA or Revenu Quebec.
Is the Contractor Invoice Calculator free, and do I need an account?
It is completely free with no signup and no usage limit. You only create a FacilInvoice account if you want to turn the result into a professional invoice and send, track or get paid online.
Does the Contractor Invoice Calculator work for every province?
Yes. It covers all Canadian provinces and territories and applies GST, HST, PST or QST correctly, so freelancers and small businesses anywhere in Canada get the right number.
Can I use this calculator on my phone?
Yes. It runs in any mobile browser, so you can calculate a quote or a tax amount on the job site and invoice the client right after. Nothing to install and no account needed to use it.
Is my data saved or shared?
No. The calculator runs entirely in your browser and stores nothing, so your numbers stay private. You only create a FacilInvoice account if you choose to turn a result into an invoice and send or track it.
All FacilInvoice calculators
- Canadian Sales Tax Calculator
- Quebec Sales Tax Calculator (GST + QST)
- Canadian Income Tax Calculator
- PST Calculator (BC, SK, MB)
- Reverse Sales Tax Calculator
- Late Payment Fee Calculator
- Late Payment Interest Calculator
- Invoice Due Date Calculator
- Freelance Hourly Rate Calculator
- Hourly Invoice Calculator
- Markup Calculator
- Profit Margin Calculator
- Invoice Discount Calculator
- Invoice Total Calculator
- Early Payment Discount Calculator
- Business Days Calculator
- DSO Calculator (Days Sales Outstanding)
- Average Collection Period Calculator
- Accounts Receivable Turnover Calculator
- Days Past Due Calculator