Free calculators
Tax calculators for every jurisdiction we cover
Free, deterministic, accurate. Each calculator uses the published rates from the relevant tax authority and runs entirely in your browser. No signup, no tracking of inputs, no rounding surprises.
United Kingdom
UK VAT calculator
Add or extract VAT at the standard 20%, reduced 5%, or zero rate. HMRC-aligned.
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Australia
Australian GST calculator
GST at 10% with the ATO one-eleventh verification helper.
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Canada
Canadian GST, HST, PST & QST calculator
Sales tax for every province. Recoverable vs non-recoverable split.
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New Zealand
New Zealand GST calculator
GST at the 15% standard rate. Zero-rated and exempt supplies handled.
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Singapore
Singapore GST calculator
Date-aware: 9% from 2024, 8% in 2023, 7% before. Reg 26/27 blocked supplies.
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