Engineering Bible

Mass unit converter

Convert kilograms, tonnes, pounds, long tons and short tons, the units that appear in cargo documents, lifting plans and datasheets.

Results are estimates. They do not replace the governing code, class or flag requirements, or a check by a competent person. Report a problem

Worked example

2500 kg = 5511.56 lb, because 1 kg = 2.20462 lb.

Conversion table

Fromkgtlblong tonshort ton
1 kg10.0012.204620.0009842070.00110231
1 t100012204.620.9842071.10231
1 lb0.4535920.00045359210.0004464290.0005
1 long ton1016.051.01605224011.12
1 short ton907.1850.90718520000.8928571

Every unit on this page

UnitNameIn kg
kgkilogram1
ggram0.001
ttonne (metric ton)1000
lbpound0.453592
long tonlong ton (2240 lb)1016.05
short tonshort ton (2000 lb)907.185

FAQ

What is the difference between a tonne, a long ton and a short ton?
A tonne is 1000 kg, a long ton is 1016.05 kg and a short ton is 907.18 kg. They differ by more than 10 %, so a bare "ton" on a document is worth checking.