Contact CalcDesk

Spotted a wrong number, want a calculator we don't have yet, or have a question about how a result is worked out? Send us a message and we'll reply by email, usually within a few days.

Open the contact formOpens a short Google Form in a new tab – just your email and your message.

What helps us fix things faster

• The page address (URL) of the calculator.
• The numbers you entered and the result you expected.
• Your country, if the question is about local prices or units.