Conversion Instrument

Weight & Mass Converter

Convert weights accurately between pounds, kilograms, ounces, grams, and tonnes.

Convert From

Converted Result

2.204623 lb

1 kg = 2.204623 lb

Common Equivalent Masses (1 kg):

Milligrams

1,000,000 mg

Grams

1,000 g

Metric Tonnes

0.001 t

Ounces (Avoirdupois)

35.273962 oz

Stone (14 lb)

0.157473 st

Short Ton (US, 2,000 lb)

0.001102 sh tn

Long Ton (Imperial, 2,240 lb)

0.000984 long tn

Standard Mass & Weight Conversion Factors

1 kg to Pounds (lb)

2.20462 lb

1 lb to Grams

453.592 g

1 oz to Grams

28.3495 g

1 Metric Tonne to kg

1,000 kg

1 US Short Ton to kg

907.185 kg

1 Stone to kg

6.35029 kg (14 lb)

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Frequently Asked Questions About Weight Conversion

Clarifications on avoirdupois ounces, metric tonnes, and international pound definitions.

What is the exact definition of a pound (lb)?▼

By international agreement (1959), one avoirdupois pound is legally defined as exactly 0.45359237 kilograms. One kilogram equals approximately 2.20462 pounds.

What is the difference between a Short Ton, Long Ton, and Metric Tonne?▼

A US Short Ton equals exactly 2,000 pounds (907.185 kg). An Imperial Long Ton (UK) equals 2,240 pounds (1,016.047 kg). A Metric Tonne (t) equals exactly 1,000 kilograms (2,204.62 pounds).

How many ounces are in a pound?▼

In the standard avoirdupois system, there are exactly 16 ounces in one pound (1 lb = 16 oz = 453.592 grams). Each ounce is approximately 28.3495 grams.