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GST/HST calculator for Canada

Add or remove GST/HST at 5% or any other Canada rate.

%
$

5% GST in Alberta and the territories; HST of 13% (Ontario), 14% (Nova Scotia) or 15% (New Brunswick, Newfoundland and Labrador, PEI). Quebec, BC, Saskatchewan and Manitoba add a provincial tax to the 5% GST.

Without GST/HST

$100.00

GST/HST at 5%

$5.00

With GST/HST

$105.00

$100.00 × 5% = $5.00 GST/HST. $100.00 × 1.05 = $105.00.

GST/HST rates in Canada

Rate$100.00 net becomesGST/HST inside $100.00 gross
5% (standard)$105.00$4.76
13%$113.00$11.50
14%$114.00$12.28
15%$115.00$13.04

5% GST in Alberta and the territories; HST of 13% (Ontario), 14% (Nova Scotia) or 15% (New Brunswick, Newfoundland and Labrador, PEI). Quebec, BC, Saskatchewan and Manitoba add a provincial tax to the 5% GST.

Worked examples at 5%

  • Adding GST/HST: $250.00 × 1.05 = $262.50 ($12.50 GST/HST).
  • Removing GST/HST: $250.00 ÷ 1.05 = $238.10 ($11.90 GST/HST).

Invoicing with GST/HST

If you're registered for GST/HST, your invoices need to show the amount without tax, the rate and the GST/HST separately. Our free invoice generator works it out and lays it out for you. See also what an invoice must include in Canada.

Questions people ask

›What is the GST/HST rate in Canada?

The standard rate is 5%. Reduced rates of 13%, 14%, 15% apply to some goods and services. Rates checked October 2026.

›How do I add 5% GST/HST?

Multiply the net price by 1.05. For example, $100.00 becomes $105.00, of which $5.00 is GST/HST.

›How do I remove 5% GST/HST from a price?

Divide the gross price by 1.05. For example, $100.00 including GST/HST is $95.24 without it, so the GST/HST is $4.76.