Free GST/HST Calculator for Canada.
Quickly calculate GST, HST, PST, or QST for any Canadian province. Enter an amount and see the total instantly.
Know your total before you send the invoice.
Use Lunio's calculator to double-check GST/HST, PST & QST on new invoices or project estimates.
Calculate tax totals in seconds.
Choose your province to auto-apply the correct rate, then calculate totals instantly.
Results
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What is GST/HST, PST & QST?
GST (Goods and Services Tax) and HST (Harmonized Sales Tax) are federal and harmonized taxes in Canada. Some provinces also apply PST (Provincial Sales Tax) or QST (Quebec Sales Tax). Use this calculator to estimate the tax you need to charge on invoices.
GST/HST, PST & QST rates by province
HST applies in NL, NS, NB, PE, and ON. Some provinces also apply PST or QST alongside GST. Use Lunio to keep your tax calculations accurate.
Stay accurate and client-ready.
Lunio automates tax rates for invoices so every total stays compliant, accurate, and professional.
Already have a final total? Use the reverse tax calculator to calculate subtotal before tax and remove GST/HST from a total.
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