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
EVERYDAY

Length

Distance, height, thickness and astronomical length.

pm
hm

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

Resultpm → hmConvert picometre to hectometre
HOW IT IS CALCULATED

Convert through metre

Enter a picometre value to calculate hectometre 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
quectometrefrom pmqmInteractive
rontometrefrom pmrmInteractive
yoctometrefrom pmymInteractive
zeptometrefrom pmzmInteractive
attometrefrom pmamInteractive
femtometrefrom pmfmInteractive
picometrefrom pmpmInteractive
nanometrefrom pmnmInteractive
ångströmfrom pmÅInteractive
micrometrefrom pmµmInteractive
millimetrefrom pmmmInteractive
centimetrefrom pmcmInteractive
decimetrefrom pmdmInteractive
metrefrom pmmInteractive
decametrefrom pmdamInteractive
hectometrefrom pmhmInteractive
kilometrefrom pmkmInteractive
megametrefrom pmMmInteractive
gigametrefrom pmGmInteractive
terametrefrom pmTmInteractive
petametrefrom pmPmInteractive
exametrefrom pmEmInteractive
zettametrefrom pmZmInteractive
yottametrefrom pmYmInteractive
ronnametrefrom pmRmInteractive
quettametrefrom pmQmInteractive
thou / milfrom pmmilInteractive
inchfrom pminInteractive
footfrom pmftInteractive
yardfrom pmydInteractive
chainfrom pmchInteractive
furlongfrom pmfurInteractive
international milefrom pmmiInteractive
nautical milefrom pmnmiInteractive
U.S. survey footfrom pmftUSInteractive
typographic pointfrom pmptInteractive
astronomical unitfrom pmauInteractive
light-secondfrom pmlsInteractive
light-yearfrom pmlyInteractive
parsecfrom pmpcInteractive

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