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.

rm
Tm

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

Resultrm → TmConvert rontometre to terametre
HOW IT IS CALCULATED

Convert through metre

Enter a rontometre value to calculate terametre 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 rmqmInteractive
rontometrefrom rmrmInteractive
yoctometrefrom rmymInteractive
zeptometrefrom rmzmInteractive
attometrefrom rmamInteractive
femtometrefrom rmfmInteractive
picometrefrom rmpmInteractive
nanometrefrom rmnmInteractive
ångströmfrom rmÅInteractive
micrometrefrom rmµmInteractive
millimetrefrom rmmmInteractive
centimetrefrom rmcmInteractive
decimetrefrom rmdmInteractive
metrefrom rmmInteractive
decametrefrom rmdamInteractive
hectometrefrom rmhmInteractive
kilometrefrom rmkmInteractive
megametrefrom rmMmInteractive
gigametrefrom rmGmInteractive
terametrefrom rmTmInteractive
petametrefrom rmPmInteractive
exametrefrom rmEmInteractive
zettametrefrom rmZmInteractive
yottametrefrom rmYmInteractive
ronnametrefrom rmRmInteractive
quettametrefrom rmQmInteractive
thou / milfrom rmmilInteractive
inchfrom rminInteractive
footfrom rmftInteractive
yardfrom rmydInteractive
chainfrom rmchInteractive
furlongfrom rmfurInteractive
international milefrom rmmiInteractive
nautical milefrom rmnmiInteractive
U.S. survey footfrom rmftUSInteractive
typographic pointfrom rmptInteractive
astronomical unitfrom rmauInteractive
light-secondfrom rmlsInteractive
light-yearfrom rmlyInteractive
parsecfrom rmpcInteractive

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