How to Convert Kilograms to Pounds

The kilogram (kg) is the SI base unit of mass and is used in almost every country in the world. The pound (lb) is still the everyday unit of weight in the United States and is widely used in the United Kingdom as well. Since 1959 the international avoirdupois pound has been defined as exactly 0.45359237 kilograms, so converting between the two is a single multiplication.

Use the converter above for an instant answer, or follow the formula below to do it by hand. If you need other units such as stones, ounces or metric tons, open the full Weight Converter. For smaller quantities you can also use the Grams to Ounces calculator.

Kilograms to Pounds Formula

pounds = kilograms × 2.20462262185
kilograms = pounds × 0.45359237

Example: convert 75 kg to pounds. 75 × 2.20462262185 = 165.35 lb.

Quick mental shortcut: double the kilograms, then add 10 percent of that number. For 75 kg: 150 + 15 = 165 lb, which is within half a pound of the exact answer.

Kilograms to Pounds Conversion Table

Common values from 1 kg to 200 kg, rounded to two decimal places.

Kilograms (kg)Pounds (lb)
1 kg2.20 lb
2 kg4.41 lb
3 kg6.61 lb
4 kg8.82 lb
5 kg11.02 lb
10 kg22.05 lb
15 kg33.07 lb
20 kg44.09 lb
25 kg55.12 lb
30 kg66.14 lb
Kilograms (kg)Pounds (lb)
40 kg88.18 lb
50 kg110.23 lb
60 kg132.28 lb
70 kg154.32 lb
80 kg176.37 lb
90 kg198.42 lb
100 kg220.46 lb
125 kg275.58 lb
150 kg330.69 lb
200 kg440.92 lb

Kilograms to Pounds and Ounces

Body weight is often given in pounds and ounces. This table shows the decimal result and the pounds-and-ounces form for typical body weights.

Kilograms (kg)Decimal poundsPounds and ounces
45 kg 99.21 lb 99 lb 3.3 oz
50 kg 110.23 lb 110 lb 3.7 oz
55 kg 121.25 lb 121 lb 4.1 oz
60 kg 132.28 lb 132 lb 4.4 oz
65 kg 143.30 lb 143 lb 4.8 oz
70 kg 154.32 lb 154 lb 5.2 oz
75 kg 165.35 lb 165 lb 5.5 oz
80 kg 176.37 lb 176 lb 5.9 oz
85 kg 187.39 lb 187 lb 6.3 oz
90 kg 198.42 lb 198 lb 6.7 oz
95 kg 209.44 lb 209 lb 7.0 oz
100 kg 220.46 lb 220 lb 7.4 oz

Pounds to Kilograms Chart

Going the other way? Multiply pounds by 0.45359237, or press Swap Units in the converter above.

Pounds (lb)Kilograms (kg)
1 lb0.45 kg
5 lb2.27 kg
10 lb4.54 kg
20 lb9.07 kg
50 lb22.68 kg
100 lb45.36 kg
150 lb68.04 kg
200 lb90.72 kg
250 lb113.40 kg

When Do You Need to Convert kg to lbs?

Frequently Asked Questions

How many pounds are in a kilogram?

One kilogram equals approximately 2.20462 pounds (2.2046226218 to ten decimal places). This follows from the international definition of the avoirdupois pound as exactly 0.45359237 kilograms.

How do I convert kg to lbs?

Multiply the number of kilograms by 2.20462. For example, 75 kg x 2.20462 = 165.35 lb. For a quick mental estimate, double the kilograms and add 10 percent of that result: 75 kg gives 150 + 15 = 165 lb.

How many kilograms is one pound?

One pound equals exactly 0.45359237 kg, which is about 453.59 grams. To convert pounds to kilograms, multiply by 0.45359237 or divide by 2.20462. Use the Swap Units button in the converter above to do it automatically.

How do I convert kilograms to pounds and ounces?

First convert to decimal pounds, then multiply the decimal part by 16 to get ounces. For example, 70 kg = 154.3236 lb, and 0.3236 x 16 = 5.18 oz, so 70 kg is about 154 lb 5.2 oz.

Is it accurate to use 2.2 as the conversion factor?

Using 2.2 is fine for rough estimates, but it understates the result by about 0.2 percent. For 100 kg, 2.2 gives 220 lb while the exact value is 220.46 lb. Use 2.20462 when accuracy matters, for example in shipping, trade or scientific work.

What is the difference between lb and lbs?

Lb is the standard abbreviation for pound and comes from the Latin word libra. Lbs is the informal plural form. Both are widely understood and refer to the same unit.

Are US pounds and UK pounds the same?

Yes. Both countries use the international avoirdupois pound, defined as exactly 0.45359237 kg. In the UK, body weight is also commonly given in stones (1 stone = 14 pounds), which you can convert with the Weight Converter.

Related Converters

Sources

The pound is defined by the 1959 international yard and pound agreement as 0.45359237 kg. For more on the kilogram and the International System of Units (SI), see the BIPM and NIST.