Pounds to Kilograms

1 lb ≈ 0.4536 kg. Edit either value to convert instantly.

Value

From

To

1 lb≈kg

= 1 lb 0 oz · ≈ 453.592 g

Decimal places

Conversion formula

kg = lb × (0.45359237) × (1)

1 lb ≈ 0.453592 kg

pound (lb)

An international avoirdupois pound is exactly 0.45359237 kg and contains 16 ounces.

Source: NIST SP 811, Appendix B.9 — conversion factors

kilogram (kg)

The kilogram is the SI base unit of mass, with 1 kg equal to 1,000 g. Mass differs from weight as a force, which is measured in newtons.

Source: BIPM SI Brochure, 9th edition — SI prefixes and accepted non-SI units

Conversion table

lb	kg
1	≈ 0.453592
2	≈ 0.907185
5	≈ 2.26796
10	≈ 4.53592
15	≈ 6.80389
20	≈ 9.07185
25	≈ 11.3398
30	≈ 13.6078
40	≈ 18.1437
45	≈ 20.4117

lb	kg
50	≈ 22.6796
60	≈ 27.2155
70	≈ 31.7515
80	≈ 36.2874
90	≈ 40.8233
100	≈ 45.3592
150	≈ 68.0389
160	≈ 72.5748
170	≈ 77.1107
180	≈ 81.6466

Frequently asked questions

How many kilograms are in 1 pound?

1 lb ≈ 0.4536 kg. kg = lb × (0.45359237) × (1)

How do I convert lb to kg?

kg = lb × (0.45359237) × (1)

Is 1 pound bigger than 1 kilogram?

1 lb ≈ 0.4536 kg.

Related conversions

Reverse conversion: kilograms to pounds pounds to ounces kilograms to stone grams to ounces stone to kilograms

Common values

150 lb 140 lb 130 lb 160 lb 170 lb 120 lb 50 lb 180 lb 145 lb 155 lb 1 lb 10 lb 2 lb 3 lb 4 lb 5 lb

All quantities