Name both units first
Write the input and output as a pair, such as kilometres to miles, kilograms to pounds or litres to gallons. A number without its unit is incomplete. The same value can mean something very different in another measurement system.
Length, area and volume are related but not interchangeable. Converting a square metre to square feet needs a squared factor; converting a cubic metre to cubic feet needs a cubed factor.
Temperature needs a different formula
Temperature scales do not use only a multiplication factor. Celsius to Fahrenheit uses a scale offset as well as a factor, while Celsius to Kelvin uses a different offset. The converter keeps those relationships separate from ordinary length or mass conversions.
Sanity-check the output
- Estimate whether the result should be larger or smaller before converting.
- Check that the destination unit is the one your form, recipe or specification asks for.
- Keep enough decimal places for the task, then round at the end.
- For medication, engineering, laboratory or legal work, confirm the unit and rounding rule with the relevant source.
Privacy and limitations
The current unit converter runs in the browser and does not send your values to KitLumo. It handles the supported everyday units shown in the tool; it does not decide which unit standard or industry convention your task requires.
Common questions
Can I convert any unit?
The tool supports the everyday categories and units shown in its controls. Check the selected category before relying on the result.
Why can a converted number be larger?
A smaller unit produces a larger numeric count for the same quantity, such as metres compared with kilometres.
Should I round the result?
Keep extra precision during the calculation and round at the final step according to the requirement of your task.