Unit Converter | How to use and interpret results
Convert four common pairs: centimetres/inches, metres/feet, kilograms/pounds and Celsius/Fahrenheit. Swapping direction moves the current result into the input for a quick comparison.
- Runs in your browser
- Nothing is uploaded
- No signup; device limits apply
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How to use this tool
Choose a pair and inspect direction labels before entering a value. Swapping can reuse a rounded output, so repeated round trips may accumulate a small difference.
Results and examples
2.54 cm equals 1 inch and 0.45359237 kg equals 1 pound. Temperature includes a 32-degree offset, unlike a simple length multiplication.
Worked example
2.54 cm equals 1 inch and 0.45359237 kg equals 1 pound. Temperature includes a 32-degree offset, unlike a simple length multiplication.
Limitations
- Other quantities and significant-figure analysis are outside the four-pair interface.
- Temperature mode does not validate an instrument's error or physical state.
Fields
| Field | Guidance and constraints |
|---|---|
| Conversion type | Check the unit and format displayed beside this field. |
| cm | Check the unit and format displayed beside this field. |
| inch | Check the unit and format displayed beside this field. |
Data handling
Processing stays in the current browser tab; the site does not upload tool input for the calculation itself.
Sources
Frequently asked questions
How many inches are 2.54 cm?
2.54 cm equals 1 inch and 0.45359237 kg equals 1 pound. Temperature includes a 32-degree offset, unlike a simple length multiplication.
Why can repeated round trips differ slightly?
Other quantities and significant-figure analysis are outside the four-pair interface. Temperature mode does not validate an instrument's error or physical state.
