Do you store my numbers?

No. Each calculator runs locally.

Is this tax or lending advice?

No. Arithmetic with documented assumptions on each page.

Fintomat / Margin Calculator

Finance · Calculators · Runs in your browser. Nothing is sent to a server.

Profit, margin and markup.

Cost $

Price

Results appear here.

Type the problem — numbers, a formula, or the loan fields.

Press Calculate. The answer is computed on this page.

Use the explanation, chart or schedule to check the result.

Profit, margin and markup. Figures stay in this browser. Not professional advice.