We'd love to hear from you. Whether you found a bug, think a result is wrong or have an idea for a new calculator, send us an email at hello@usecalculator.net. We read every message and usually reply within a few business days.
Reporting an error
To help us fix a problem quickly, please include:
- the name or link of the calculator;
- the values you entered;
- the result you expected and the result you got;
- your browser and device, for example Chrome on Windows or Safari on iPhone.
Suggesting a calculator
Tell us what you want to calculate and how you would use it. Suggestions from visitors help us decide which calculators to build next.
Advertising and partnerships
For advertising or partnership inquiries, email the same address with “Partnership” in the subject line.
Please note
UseCalculator.net cannot give personal financial, tax, legal or medical advice. For decisions about your own situation, please talk to a qualified professional.