Why are temperature conversions different?

Temperature scales use offsets as well as ratios, so Fahrenheit, Celsius and Kelvin cannot be converted with a single multiplier.

Are these metric or imperial units?

Both. The tool is intended for metric, imperial and US customary conversions.

Unit Converter

Q: What units can I convert?

The converter supports common categories such as length, mass, temperature, area, volume, speed, data, pressure, energy, power, time, angles and fuel economy.

Convert common units for length, mass, temperature, area, volume, speed, data, pressure, energy, power, time, angles and fuel economy.

From

1 m = 0.001 km1 km = 1,000 m

Dimension: L|Base: meter

All units in this category

1,000

100

0.001

39.370079

3.28084

1.093613

0.000621

nautical mile

0.00054

Convert metric, imperial and US customary units

Broad English unit-converter intent expects fast category switching, instant results and common everyday plus technical units. The page covers length, weight/mass, temperature, area, volume, speed, data, pressure, energy, power, time, angle and fuel economy.

x_{t a r g e t} = x_{so u r ce} \times f a c t or

Check critical conversions

For engineering, medical, legal or safety-critical work, verify the required standard, rounding rule and unit definition before using the result.

Frequently Asked Questions

Sources and References

Calculations are based on the listed reference sources. Links open in a new tab.

Updated: June 2, 2026

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