How it works
The unit price is multiplied by quantity to give a subtotal, then tax is added on top of that subtotal.
Example
Twelve units at $45 subtotal $540 and, with 7.5% tax, invoice at $580.50.
This tool is for estimation and education, not financial, tax, or legal advice.
Frequently asked questions
Do these tools know my local tax rate?
No. You enter the rate that applies to you, which is why the tools work in any country.
Does the calculator send my numbers anywhere?
No. The calculation runs locally in your browser.
Can I file with these figures?
No. Use them to sanity-check an amount, then rely on your tax authority or accountant for filing.
Related tax tools
All tax calculators · Tax-Inclusive Price Calculator · Self-Employment Tax Estimator