Popular Weight Conversions
The converter above handles any pair of weight units. These are the conversions people look up most, with the formula behind each.
KG to Lbs Converter
To convert kilograms to pounds, multiply the weight in kg by 2.20462, because one kilogram is about 2.20462 pounds. A 70 kg person weighs 154.32 lbs. A quick mental estimate is to double the kilograms and add 10 percent.
pounds = kg × 2.20462Pounds to KG
To convert pounds to kilograms, multiply by 0.45359237, which is the exact definition of the pound. A 150 lb weight is 68.04 kg. Dividing pounds by 2.2 gives a close approximation.
kg = pounds × 0.45359237Grams to Ounces
One ounce is 28.349523 grams, so divide grams by 28.349523 to get ounces. A 100 g bar of chocolate is 3.53 oz. This is the conversion you need for most recipes that mix metric and US measures.
ounces = grams ÷ 28.349523Ounces to Grams
Multiply ounces by 28.349523 to get grams. A 16 oz pack is 453.59 g, which is the same as one pound. Postal services quote parcel limits in ounces, so this one is handy for shipping.
grams = ounces × 28.349523Stone to KG
One stone is 14 pounds, or 6.35029 kg. Multiply stone by 6.35029 to get kilograms. A body weight of 11 stone is 69.85 kg. Stone is still the everyday body-weight unit in the UK and Ireland.
kg = stone × 6.35029Quick Conversion Table
Common values for kilograms in pounds and ounces, and pounds in kilograms.
| Kilograms (kg) | Pounds (lb) | Ounces (oz) |
|---|---|---|
| 0.5 kg | 1.1023 lb | 17.637 oz |
| 1 kg | 2.2046 lb | 35.274 oz |
| 2 kg | 4.4092 lb | 70.5479 oz |
| 5 kg | 11.0231 lb | 176.3698 oz |
| 10 kg | 22.0462 lb | 352.7396 oz |
| 20 kg | 44.0925 lb | 705.4792 oz |
| 50 kg | 110.2311 lb | 1,763.6981 oz |
| 60 kg | 132.2774 lb | 2,116.4377 oz |
| 70 kg | 154.3236 lb | 2,469.1773 oz |
| 80 kg | 176.3698 lb | 2,821.917 oz |
| 90 kg | 198.416 lb | 3,174.6566 oz |
| 100 kg | 220.4623 lb | 3,527.3962 oz |
| Pounds (lb) | Kilograms (kg) | Stone (st) |
|---|---|---|
| 1 lb | 0.4536 kg | 0.0714 st |
| 5 lb | 2.268 kg | 0.3571 st |
| 10 lb | 4.5359 kg | 0.7143 st |
| 25 lb | 11.3398 kg | 1.7857 st |
| 50 lb | 22.6796 kg | 3.5714 st |
| 100 lb | 45.3592 kg | 7.1429 st |
| 120 lb | 54.4311 kg | 8.5714 st |
| 140 lb | 63.5029 kg | 10 st |
| 160 lb | 72.5748 kg | 11.4286 st |
| 180 lb | 81.6466 kg | 12.8571 st |
| 200 lb | 90.7185 kg | 14.2857 st |
Weight Units Compared
These are the exact definitions behind every weight conversion on this page.
| Unit | Equals |
|---|---|
| 1 pound | 16 ounces = 0.45359237 kg |
| 1 ounce | 28.349523125 g |
| 1 stone | 14 pounds = 6.35029318 kg |
| 1 kilogram | 1,000 g = 2.20462 lb |
| 1 metric ton | 1,000 kg = 2,204.62 lb |
Frequently Asked Questions
How do I convert kg to lbs?
Multiply the kilograms by 2.20462. For example, 80 kg × 2.20462 = 176.37 lbs.
How do I convert pounds to kg?
Multiply the pounds by 0.45359237, or divide by 2.20462. For example, 200 lbs = 90.72 kg.
How many grams are in an ounce?
One ounce is exactly 28.349523125 grams, usually rounded to 28.35 g.
How many pounds are in a stone?
One stone is 14 pounds, which equals 6.35 kg.
Is weight the same as mass?
In everyday use the two are interchangeable, and these units measure mass. Strictly, weight is the force of gravity on a mass, but kilograms and pounds are used for both on Earth.