Kilogram to Pound Converter
Weight · unit-converter
Convert Kilogram to Pound with a fixed input and output unit, step-by-step formula line, and reference tables. All calculations use gram-based factors (international avoirdupois pound and metric definitions). The full Weight Converter also includes carat, grain, and US/UK hundredweight.
Calculator
From: Kilogram (kg)
To: Pound (lb)
About Kilogram
The kilogram is the SI base unit of mass (defined via fundamental constants). Everyday metric weights and science use kilograms and grams.
About Pound
The international avoirdupois pound is exactly 0.45359237 kg. It is the standard pound for weight in the US and for many trade weights.
How to convert kilograms to pounds
1 kilogram is equal to 2.20462262184878 pound:
1 kg = (1000 g ÷ 453.59237 g) lb = 2.20462262184878 lb
1 kilogram is also equal to 1 ÷ 0.45359237 pounds (international pound definition), which matches the gram-based factor used here.
Each kilogram is defined as 1000 g and each pound as 453.59237 g, so one kg equals 1000 ÷ 453.59237 lb = 2.20462262184878 lb.
Let w(kg) be the numeric value of the same mass measured in Kilogram (kg), and w(lb) the value in Pound (lb). Then:
w(lb) = w(kg) × (1000 / 453.59237)
Equivalently, divide by how many kg fit into one lb (grams per lb divided by grams per kg):
w(lb) = w(kg) ÷ 0.45359237
Or: pound = kilogram ÷ 0.45359237
Examples
Example #1: Convert 20 kg to pound
20 kg = 20 kg × (1000/453.59237) lb = 44.092452437 lb
20 kg = 20 kg ÷ 0.45359237 = 44.092452437 lb
Example #2: Convert 50 kg to pound
50 kg = 50 kg × (1000/453.59237) lb = 110.231131092 lb
50 kg = 50 kg ÷ 0.45359237 = 110.231131092 lb
Summary
To convert Kilogram to Pound, multiply the value in kg by the ratio of grams per kg divided by grams per lb. Equivalently: value_lb = value_kg × (1000 / 453.59237). Numerically, 1 kg equals 2.2046226218487757 lb.
Relationship context
You are converting between metric (SI) (Kilograms) and imperial / UK (stone, long ton, pound, ounce) (Pounds). Metric mass is decimal from the gram; US and imperial masses use pounds and ounces with fixed definitions relative to the kilogram. The numeric factor used here is 2.204623e+0.
Conversion tables
| Kilogram (kg) | Pound (lb) |
|---|---|
| 0.1 | 0.2204622622 |
| 1 | 2.2046226219 |
| 2 | 4.4092452437 |
| 3 | 6.6138678655 |
| 4 | 8.8184904874 |
| 5 | 11.0231131092 |
| 6 | 13.2277357311 |
| 7 | 15.4323583529 |
| 8 | 17.6369809748 |
| 9 | 19.8416035966 |
| Kilogram (kg) | Pound (lb) |
|---|---|
| 10 | 22.0462262185 |
| 20 | 44.092452437 |
| 30 | 66.1386786555 |
| 40 | 88.184904874 |
| 50 | 110.231131092 |
| 60 | 132.277357311 |
| 70 | 154.323583529 |
| 80 | 176.369809748 |
| 90 | 198.416035966 |
| 100 | 220.462262185 |