kg to Pounds Converter

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Convert kilograms to pounds at the exact rate derived from 1 lb = 0.45359237 kg, which gives 1 kg ā‰ˆ 2.20462 lb. Common conversions: 70 kg = 154.32 lb, 80 kg = 176.37 lb, 100 kg = 220.46 lb. Useful for body weight in US settings, gym plates, baggage allowance and shipping declarations between metric and US/UK carriers. Browser-local.

Kilogram (kg)
Pound (lb)

Kilogram (kg) ā†’ Pound (lb)

Quick reference table

Kilogram (kg)Pound (lb)
1 kg2.2046 lb
2 kg4.4092 lb
5 kg11.0231 lb
10 kg22.0462 lb
25 kg55.1156 lb
50 kg110.2311 lb
100 kg220.4623 lb

Glossary

Kilogram (kg)

The kilogram is the SI base unit of mass, redefined in 2019 in terms of the Planck constant (h = 6.62607015Ɨ10ā»Ā³ā“ JĀ·s). One kilogram equals 1000 g, 2.20462 lb or 0.157 stone. It anchors all other metric mass units and is the standard for body weight, groceries, freight and scientific work in nearly every country.

Pound (lb)

A pound (avoirdupois) is exactly 0.45359237 kg by the international 1959 yard-and-pound agreement. It is the everyday US/UK unit for body weight, groceries, gym plates and shipping. Sixteen ounces make one pound; fourteen pounds make one stone (UK only). The symbol "lb" comes from Latin "libra".

Metric system (SI)

The metric system is a decimal system of measurement built around the kilogram for mass, the meter for length and the second for time, with multiples and submultiples expressed as powers of ten (milligram, gram, tonne). Adopted in France in 1799 and codified internationally as the International System of Units (SI) in 1960, it is now the official system in nearly every country and the standard in science.

Imperial / US Customary system

The imperial system is the historical English system of weights and measures whose mass units are the ounce, pound, stone and ton (16 oz = 1 lb, 14 lb = 1 stone, 2,000 lb = 1 US short ton). Codified by the British Weights and Measures Act of 1824 and aligned with US Customary by the 1959 international yard-and-pound agreement (1 lb = 0.45359237 kg exactly), it is still used in the United States and the United Kingdom for everyday weights.

Related tools

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