Common Weight Conversions
| From | To | Factor |
|---|
| 1 kilogram (kg) | pounds (lb) | 2.20462 lb |
| 1 pound (lb) | kilograms (kg) | 0.453592 kg |
| 1 gram (g) | ounces (oz) | 0.035274 oz |
| 1 ounce (oz) | grams (g) | 28.3495 g |
| 1 stone (st) | kilograms (kg) | 6.35029 kg |
| 1 milligram (mg) | grams (g) | 0.001 g |
ℹ️ The kilogram is defined by the Planck constant since 2019. The pound is legally defined as exactly 0.45359237 kg in most English-speaking countries.
Frequently Asked Questions
How to convert kg to lbs?
Formula: lbs = kg × 2.20462. For example, 70 kg = 154.3 lbs. This converter does the math automatically — just select the units and enter your value.
What is 1 pound in kilograms?
1 pound (lb) = 0.453592 kilograms (kg). This is the legally exact conversion factor used internationally.
How do I convert grams to ounces?
Multiply grams by 0.035274 to get ounces. For example, 100g × 0.035274 = 3.53 oz. This converter handles it automatically.
What is a stone in weight?
Stone (st) is a weight unit used mainly in the UK and Ireland. 1 stone = 14 pounds = 6.35029 kg. It is commonly used to describe body weight in these countries.
What units does this weight converter support?
It converts between 6 units: kilogram (kg), gram (g), milligram (mg), pound (lb), ounce (oz), and stone (st).
Is this weight converter free?
Yes. This weight converter is completely free to use with no signup or download required.
What's the difference between mass and weight on the Moon?
Your mass (amount of matter) stays the same everywhere. Your weight changes with gravity. On the Moon, gravity is about 1/6th of Earth's, so a 70 kg person would weigh only about 114 N (about 26 lbs) instead of 686 N (154 lbs) on Earth.