Percentage calculator
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Unit converter
Convert length, weight, and temperature.
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How to use Unit converter
Convert a numeric measurement between the units available in the selected group. Choose length, weight, or temperature, then specify the source and destination units. The result is a numerical conversion; measurement uncertainty and rounding requirements for your own task still need to be considered.
01
Choose a measurement group
Select length, weight, or temperature.
02
Set value and units
Enter the number and pick its source and destination units.
03
Read the converted value
Calculate the result and round appropriately for your measurement.
COMMON QUESTIONS
Unit converter: useful answers
Can this convert area, volume, or currencies?
No. This version covers length, weight, and temperature only. Currency rates and additional measurement groups are not included.
Why do temperature conversions differ from length conversions?
Some temperature scales need an offset as well as a scale factor. The tool applies the appropriate conversion for its listed units.