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Calculators

Business calculators

Ten straightforward calculators for the numbers that decide whether a sale, a price or a project is worth doing. Each one shows the formula, explains the result and works in your browser.

No account required Decimal-safe arithmetic 40 currencies

Profit and margin

Check whether a sale, product or business actually makes money.

3 tools

Pricing

Set prices from cost, markup and discounts without losing margin.

2 tools

Tax

Add or remove sales tax using your own rate.

1 tool

Finance

Estimate repayments and measure the return on an investment.

2 tools

Income and commission

Work out commission, hourly rates and income targets.

2 tools

Need a document rather than a number?

Create an invoice, quotation, receipt or proforma invoice in the same way.

Document generators