Mass Converter

Convert between kilograms, tonnes, long tons (UK), short tons (US), pounds.

UnitsMASS

Value–From

Kilograms: 1,000.00kg

Tonnes: 1.0000t

Long tons (UK): 0.9842LT

Short tons (US): 1.1023ST

Pounds: 2,204.62lb

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

1 \text{ LT} = 1016.047 \text{ kg}, \; 1 \text{ ST} = 907.185 \text{ kg}, \; 1 \text{ lb} = 0.4535924 \text{ kg}

Symbol	Meaning	Unit
$kg$	kilogram	kg
$t$	metric tonne	kg
$LT$	long ton (UK)	kg
$ST$	short ton (US)	kg
$lb$	pound	kg

Source: NIST SP 811

In short

Convert between kilograms, tonnes, long tons (UK), short tons (US), pounds.

Learn the theory CBM (Cubic Meter): Freight Volume Measurement