Contact
Spotted a calculation that looks wrong, or have a tool you wish existed? Send a message below — every one gets read.
What's useful to include
- Bug reports: which calculator, the numbers you entered, and what result you expected versus what you got.
- Feature requests: the calculation you're trying to do and why the current tools don't cover it.
- Everything else: just ask — general questions and feedback are welcome too.
Looking for something else?
Payroll, overtime, and tax questions are best answered by your employer, payroll provider, or a qualified professional — see the disclaimer on the Terms of Servicepage. For how we handle data, see the Privacy Policy.