Contact Us
SmartUnitCalc provides free online calculators, mathematical tools, financial calculators and unit conversion tools designed to make everyday calculations easier and faster. If you find an issue with a calculator result, notice an incorrect conversion, have a suggestion for a new calculator, or simply want to contact us, we would be happy to hear from you.
How Can We Help?
Calculator Questions
If you have questions about a percentage calculator, mortgage calculator, loan calculator, investment calculator, age calculator or another online calculator, contact us with the details of your question.
Unit Conversion Issues
Found a problem with a length, weight, temperature, area, volume, speed, pressure, energy or other unit converter? Please let us know so we can review it.
Corrections & Feedback
We value accurate calculations. If you identify an incorrect formula, conversion factor, calculation result or page information, please send us the relevant details.
Calculator Suggestions
Looking for a calculator that is not currently available on SmartUnitCalc? Send us your suggestion. We regularly expand our collection of online calculators and conversion tools.
Contact SmartUnitCalc
For general questions, technical feedback, calculator suggestions, unit conversion questions and website-related inquiries, please contact us by email.
Please include the calculator or converter name and a clear description of your question when reporting an issue.
Send Us Your Feedback
Your feedback helps us improve SmartUnitCalc and develop useful calculation tools. When contacting us about a calculation issue, including the input values you entered and the result you expected can help us investigate the problem more efficiently.
About SmartUnitCalc
SmartUnitCalc is an online calculation and conversion website providing free tools for mathematics, finance, everyday calculations and unit conversions. Our goal is to make commonly needed calculations simple, understandable and accessible from desktop and mobile devices.
The website includes calculators for percentages, age, discounts, loans, mortgages, investments, money calculations and other mathematical needs. Our unit conversion tools cover common categories such as length, weight, temperature, area, volume, speed, time, pressure, energy, power, frequency, force, data and digital storage.
If you have an idea for a useful online calculator or conversion tool, we encourage you to contact us. Suggestions from users can help us decide which calculation tools and conversion guides to add next.
Important Information About Calculator Results
SmartUnitCalc calculators are provided as convenient online tools for general informational and calculation purposes. Results may depend on the information entered by the user and the assumptions used by each calculator. For financial, tax, legal, medical or other professional decisions, users should verify important results with an appropriately qualified professional or authoritative source.
Frequently Asked Questions
How can I contact SmartUnitCalc?
You can contact SmartUnitCalc by emailing info@smartunitcalc.com .
Can I report an incorrect calculator result?
Yes. Please email us with the calculator name, the values you entered, the result displayed and, if possible, the result you believe should be displayed.
Can I suggest a new calculator?
Yes. We welcome suggestions for new online calculators, mathematical tools, financial calculators and unit conversion tools.
Can I report an incorrect unit conversion?
Yes. Please provide the converter name, units involved, input value and details about the conversion issue so we can review it.
What email address should I use?
For general SmartUnitCalc questions, feedback, corrections and suggestions, please email info@smartunitcalc.com .