Convert Formula provides calculators for unit conversions and everyday calculations, with formulas and examples to help explain the results.
Who maintains the calculators?
The calculators are maintained by convert-formula.com admin. If you find an incorrect result, unclear explanation or a problem using a calculator, email convertformula@gmail.com.
To help reproduce the issue, please include:
- The calculator's page address.
- The values and units you entered.
- The result shown and the result you expected, if known.
You can also use this email address to suggest a correction or a new calculator.
How calculations are checked
The checks used on this site include:
- Comparing calculator results with the formulas and worked examples shown on the relevant pages.
- Checking boundary cases, such as zero values and percentage limits, where applicable.
- Running automated tests for calculators that have test coverage, including checks of expected results and invalid inputs.
Test coverage varies by calculator. Displayed results may be rounded; use the units, formula and assumptions on each page when interpreting a result.