How many kilograms are in a pound?

There are 0.453592 kilograms in one pound. To convert pounds to kilograms, multiply the number of pounds by 0.453592 — or, equivalently, divide by 2.20462.

How do I convert 75 pounds to kilograms?

Multiply 75 by 0.453592: 75 pounds is 34.02 kilograms.

How do I convert pounds to kilograms in my head?

Halve the pounds, then subtract 10% of that result. For 180 lb: half is 90, minus 9 gives 81 kg — close to the exact 81.65 kg.

Pounds to Kilograms

1 pound is 0.453592 kilograms.

To convert pounds to kilograms, multiply the number of pounds by 0.453592 — or, equivalently, divide by 2.20462.
Going the other way, 1 kilogram is 2.20462 pounds.
For example, 75 pounds is 34.02 kilograms.

Conversion

Common pounds to kilograms conversions
Pounds (lb)	Kilograms (kg)
1	0.4536
2	0.9072
5	2.27
10	4.54
20	9.07
25	11.34
45	20.41
50	22.68
75	34.02
100	45.36
120	54.43
150	68.04
180	81.65
200	90.72
250	113.4
300	136.08

About pounds and kilograms

Since 1959 the international avoirdupois pound has been defined as exactly 0.45359237 kg. A 45-lb barbell is 20.4 kg, which is why metric gyms use 20 kg bars instead.

Frequently asked questions

How many kilograms are in a pound?: There are 0.453592 kilograms in one pound. To convert pounds to kilograms, multiply the number of pounds by 0.453592 — or, equivalently, divide by 2.20462.
How do I convert 75 pounds to kilograms?: Multiply 75 by 0.453592: 75 pounds is 34.02 kilograms.
How do I convert pounds to kilograms in my head?: Halve the pounds, then subtract 10% of that result. For 180 lb: half is 90, minus 9 gives 81 kg — close to the exact 81.65 kg.