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.

pt
nm

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

Resultpt → nmConvert typographic point to nanometre
HOW IT IS CALCULATED

Convert through metre

Enter a typographic point value to calculate nanometre 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 ptqmInteractive
rontometrefrom ptrmInteractive
yoctometrefrom ptymInteractive
zeptometrefrom ptzmInteractive
attometrefrom ptamInteractive
femtometrefrom ptfmInteractive
picometrefrom ptpmInteractive
nanometrefrom ptnmInteractive
ångströmfrom ptÅInteractive
micrometrefrom ptµmInteractive
millimetrefrom ptmmInteractive
centimetrefrom ptcmInteractive
decimetrefrom ptdmInteractive
metrefrom ptmInteractive
decametrefrom ptdamInteractive
hectometrefrom pthmInteractive
kilometrefrom ptkmInteractive
megametrefrom ptMmInteractive
gigametrefrom ptGmInteractive
terametrefrom ptTmInteractive
petametrefrom ptPmInteractive
exametrefrom ptEmInteractive
zettametrefrom ptZmInteractive
yottametrefrom ptYmInteractive
ronnametrefrom ptRmInteractive
quettametrefrom ptQmInteractive
thou / milfrom ptmilInteractive
inchfrom ptinInteractive
footfrom ptftInteractive
yardfrom ptydInteractive
chainfrom ptchInteractive
furlongfrom ptfurInteractive
international milefrom ptmiInteractive
nautical milefrom ptnmiInteractive
U.S. survey footfrom ptftUSInteractive
typographic pointfrom ptptInteractive
astronomical unitfrom ptauInteractive
light-secondfrom ptlsInteractive
light-yearfrom ptlyInteractive
parsecfrom ptpcInteractive

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