Unit converter
Conversion uses fixed SI factors in this tab. Nothing is uploaded.
Result
2.54 cm
1 in = 2.54 cm
How to use this tool
Convert length, mass, temperature, volume, area, and speed in this tab.
Open Unit converter
Length starts at inches → centimetres with 1 in filled in.
Enter a value
Type the amount. Change kind, from, and to if you need kg, °C, or another pair.
Copy the result
The converted value and a short formula show on the right. Swap flips the pair.
FAQ
How do I convert units?
Choose a category, a from-unit and a to-unit, then type a number. The result updates in this tab.
Can I convert cm to inches?
Yes. Length includes mm, cm, m, km, inches, feet, yards, and miles.
What about Celsius and Fahrenheit?
Temperature converts among °C, °F, and kelvin, including the offset, not just a scale factor.
Are these US or imperial gallons?
Volume uses US customary cups, fluid ounces, and gallons. Length and mass use the international yard and pound.
Is anything uploaded?
No. The arithmetic runs in this tab. Closing it discards the numbers.