Simple tools that get things done
10 free calculators. No account, no uploads — every calculation runs in your browser.
Money
Mortgages, loans, savings and interest — worked out plainly.
- Mortgage Calculator Work out the monthly payment on a repayment mortgage, and what it costs in total.
- Loan Calculator See the monthly repayment on a fixed-rate loan, and what the interest adds up to.
- Compound Interest Calculator See what a starting amount and a monthly contribution grow to, and how much of it is interest.
Business
Margins, markup, VAT and the numbers a business runs on.
- Profit Margin Calculator Turn a cost and a selling price into profit, profit margin and markup — all three at once.
- Markup Calculator Add a markup to a cost to get the selling price, and see the profit and the margin it leaves.
- VAT Calculator Add VAT to a price or take it back out of a VAT-inclusive one, at whatever rate you set.
Work
Salaries, rates and what your time is actually worth.
Dates & Time
Working days, durations and deadlines.
Converters
Units and formats, converted exactly.
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