Free Sales Tax Calculator: Calculate Sales Tax Instantly

Use our free sales tax calculator to instantly find sales tax amounts for any price. Simple, accurate, and updated for all Canadian provinces. No sign-up needed.

Live Calculator

Estimate your sales tax in a few taps

Enter any amount, switch between tax-included and tax-excluded mode, or use the quick presets for a faster breakdown.

%
Tax Included

Current amount

$1,000.00

Update the amount or tax rate to see the breakdown refresh instantly.

State Data Explorer

State & Local Sales Tax Rates

Switch the year, explore the map, and expand the table to compare state sales tax rates in one place.

Interactive map

Click a state to sync the table and detail panel.

2026 snapshot
Lower combined rate Higher combined rate
0% 10.11%
Selected state

Louisiana

Combined rate data sourced from Tax Foundation. Table and map stay synchronized with the selected year.

State sales tax rate

5.00%

Average local rate

5.11%

Max local rate

7.00%

Combined rate

10.11%

Combined rate indicator

0% 10.11%

Year insight

Louisiana has the highest combined state and average local sales tax rate in this snapshot.

Expand or Collapse Table

The table updates automatically when you switch the year or select a state on the map.

State State rate Avg. local Max local Combined Rank

How to Use Otto AI Sales Tax Calculator

1

Enter Your Amount: Add the product price or total bill.

2

Select Your Province or Tax Rate: Choose your Canadian province or input a custom rate.

3

Get Instant Results: View total tax and final amount in one click.

Simplify Sales Tax with One Easy Tool

Whether you're a business owner, freelancer, or shopper, our online sales tax calculator makes it easy to get accurate totals without any guesswork.

What Is a Sales Tax Calculator?

What Is a Sales Tax Calculator?

A sales tax calculator is a quick tool that helps you determine how much sales tax applies to a purchase based on the price and the applicable tax rate.

  • Instantly adds tax to the subtotal

  • Reverse-calculates the pre-tax price

  • Perfect for budgeting, receipts, and invoices

Why Use an Online Sales Tax Calculator?

Why Use an Online Sales Tax Calculator?

Manual tax math wastes time and often leads to errors. An online sales tax calculator gives you instant results, saving you time and helping ensure your totals are precise.

  • Get instant and precise results

  • Save time and avoid manual errors

  • Ideal for freelancers, creators, and small businesses

Customize by Province or Rate

Customize by Province or Rate

Sales tax rates vary widely between Canadian provinces—and even cities. Our tool allows you to select your location for province-specific rates or manually input a custom percentage.

  • Select province-specific rates

  • Manually input custom percentages

  • Ideal for localized accuracy and quarterly taxes

Smart, Simple, CRA-Friendly

Smart, Simple, CRA-Friendly

Otto AI Sales Tax Calculator supports better record-keeping and tax readiness. Use it to break out taxes from receipts, check CRA-compliant sales breakdowns, and keep clean financial records.

  • Supports better record-keeping

  • Check CRA-compliant breakdowns

  • No math, no spreadsheets, no downloads

From Formation to Tax Filing, Otto AI Takes Care of It All

Everything you need to manage, organize, and grow your business with ease.

Entity Management

Easily handle formation, incorporation, S Corp setup, and compliance.

Otto AI Entity Management

Invoicing

Create, send, and manage invoices. Track payments and assure timely cash flow.

Invoicing

Bookkeeping

Automate your bookkeeping, track expenses, and stay tax-ready year-round.

Bookkeeping

Taxes

Simplify your taxes with automated tracking, write-off identification, and accurate estimations.

Taxes

Reports

Get clear, real-time financial insights and professional-grade reports for your business.

Reports

AI Accounting Software

All in one accounting software for small businesses to handle your books, taxes, invoices, and contracts.

AI Accounting

Sales Tax Calculator FAQs

A sales tax calculator helps you figure out the tax owed on a purchase by applying the correct tax percentage to a price. It can also work in reverse to find the pre-tax amount.

Yes, it includes the most current Canadian provincial rates. You can also manually enter any custom rate for full flexibility.

Yes, the calculator is great for breaking down transactions into subtotal and tax amounts, helping you prepare clean, CRA-compliant financials.

Absolutely. Just enter the total amount and select your tax rate or province to find the added sales tax.

This tool is specifically for sales tax. For income or other tax types, use a different calculator suited to that category.

Yes, small businesses and creators often use it to calculate tax on services or product pricing for accurate invoicing.

No. This is a privacy-first tool. Nothing you enter is saved, stored, or shared.

Yes. It's completely free, with no sign-ups, subscriptions, or ads.