Weight Converter
General
0
Formula
01
What this converter does
This converter turns kilograms into pounds and back instantly. It also covers grams, tonnes, ounces and stones — every pair uses an exact factor, so the answer is precise. Type a value, pick your units, and read the result as you type.
One pound is defined as exactly 0.45359237 kilograms, so a kilogram is about 2.2046 pounds. Unit definitions follow NIST.
02
The units it covers
Every mass unit converts through the kilogram with a fixed ratio.
View all units & their values
| Unit | Symbol | Value | Mainly used |
|---|---|---|---|
| Kilogram | kg | 1 | SI base unit |
| Gram | g | 0.001 | Cooking, small items |
| Tonne | t | 1000 | Freight, vehicles |
| Pound | lb | 0.453592 | US/UK body & goods |
| Ounce | oz | 0.0283495 | US recipes, mail |
| Stone | st | 6.350293 | UK body weight |
| US ton | US ton | 907.18474 | US freight |
03
The formula
Each unit has a fixed value in kilograms, so converting goes through the kilogram once:
Conversion
result = value × factor_from ÷ factor_toWhere:
- value = the number you typed
- factor_from = the “from” unit’s value in kilograms
- factor_to = the “to” unit’s value in kilograms
04
Worked example
Convert 70 kilograms to pounds.
Step 1 · The factor
1 lb = 0.45359237 kgStep 2 · Divide
70 ÷ 0.45359237 = 154.32 lbSo 70 kilograms is about 154.3 pounds.
05
The units in this example
Kilogramsymbol: kg
The SI base unit of mass, used across most of the world for body and goods weight.
Common weight conversions
- 1 kg = 2.2046 lb
- 1 kg = 1,000 g
- 1 kg = 35.274 oz
- 1 kg = 0.1575 st
Poundsymbol: lb
The imperial and US customary unit of mass, defined as exactly 0.45359237 kg.
Common weight conversions
- 1 lb = 0.4536 kg
- 1 lb = 16 oz
- 1 lb = 453.59 g
- 1 st = 14 lb
06
FAQ
QHow many pounds in a kilogram?
One kilogram is about 2.2046 pounds.
QHow do I convert kg to lbs?
Multiply the kilogram figure by 2.2046, or divide by 0.4536.
08