EVERYDAY · ENGINEERING · SCIENCE

Unit conversion. Made clear.

Start with a familiar unit, type a value, and get a dependable answer with sensible precision. Fractions and scientific notation are welcome.

520units ready to convert
THERMAL

Thermal expansion

Linear expansion coefficient per temperature interval.

ppm/°F
µm/(m·K)

Try a decimal, 1e-9, 1/3, or 5 1/2.

Resultppm/°F → µm/(m·K)Convert parts per million per degree Fahrenheit to micrometre per metre kelvin
HOW IT IS CALCULATED

Convert through per kelvin

Enter a parts per million per degree Fahrenheit value to calculate micrometre per metre kelvin with full internal precision before display rounding.

Display precisionAuto · 12 significant digits

Auto keeps up to 12 significant digits, trims unnecessary zeroes, and switches to scientific notation for extreme magnitudes.

QUICK REFERENCE

All units in this quantity

UnitSymbolConverted value
per kelvinfrom ppm/°F1/KInteractive
micrometre per metre kelvinfrom ppm/°Fµm/(m·K)Interactive
parts per million per kelvinfrom ppm/°Fppm/KInteractive
per degree Fahrenheitfrom ppm/°F1/°FInteractive
parts per million per degree Fahrenheitfrom ppm/°Fppm/°FInteractive

SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.