Buying or selling in New Brunswick? Sales tax starts with the combined 15% rate. Calculate it exactly here — free, in your browser, no signup. A single HST combining 5% federal GST and a 10% provincial part.
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Combined rate: 15% — A single HST combining 5% federal GST and a 10% provincial part.
Combined rate verified October 2026 · Source: Canada Revenue Agency — Charge and collect the GST/HST
Getting the tax split wrong is how invoices turn into arguments: the net, the tax and the total must all be visible and correct. This calculator shows all three instantly, both ways — adding tax to a net price and extracting it from a gross total. When the numbers are right, drop them straight into the free invoice generator.
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See all provinces and territories, try the tax calculator for any rate, or put the result on a free invoice. More province calculators: Manitoba · Newfoundland And Labrador.