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No signup, no upload — everything runs in your browser. Built by people who compute these numbers for a living.

Create and print a professional invoice free — line items, Canadian tax by province, totals done for you. No signup required.

Calculate GST or HST for any province — add tax to a price or see the breakdown, with current rates for all 13 regions.

Combined GST + PST/HST/QST for every province and territory — one calculator, current rates, component breakdown.

Provincial sales tax for BC (7%), Saskatchewan (6%), Manitoba (7% RST) and Québec (9.975% QST) — beside the 5% GST.

Cost and price in, gross profit and margin out — plus the markup equivalent, so the two never get confused again.

Cost plus markup percentage gives your selling price — with the resulting margin shown, so pricing decisions stay honest.

How many sales a month covers the rent? Fixed costs, price and variable cost in — break-even units and revenue out.

Return on investment in two numbers: what you put in, what came back, and the percentage that decides if it was worth it.

Sale price from a discount percentage — plus what the discount does to your margin, which is the number most sales forget to check.

COGS over average inventory — how many times a year your stock turns, and how many days of cash sit on the shelf.

Goods plus freight plus duty, divided by units — the real per-unit cost imported inventory should be margined against.

Capital cost allowance by class — 1, 8, 10, 12, 50 — with the half-year rule, showing the maximum claim and the UCC carried forward.

See it in your own numbers.

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