Weight and Mass Converter
A weight converter converts mass values between pounds, kilograms, ounces, grams, stones, and metric tons using international avoirdupois standards. Applying the exact conversion factor of 1 pound to 0.45359237 kilograms, it reliably translates kitchen recipe measurements, postal package weights, and body mass values.
By Daniel Okoro (Mathematics Editor) · Reviewed by Maya ChenUpdated · Published
From:
Weight in LB
0lb
KILOGRAMS (KG)
OUNCES (OZ)
GRAMS (G)
How Does the Weight & Mass Calculator Work?
- Enter the weight number.
- Select starting unit (lbs, kg, oz, g, stone).
- View converted values across all common measurement systems.
What Is the Weight & Mass Formula?
1 lb = 0.45359237 kg ; 1 kg = 2.20462262 lb
International avoirdupois pound to metric kilogram conversion standard.
Variables
lb / kg:Standard mass relationship
How Do You Calculate Weight & Mass Step by Step?
Convert 165 pounds to kilogramsValue: 165
Unit: Pounds (lbs)
165 lbs × 0.45359237 = 74.8427 kg
Final Solution:74.84 kg (11 stone 11 lbs)
Exact imperial-metric mass factors
| From | Equals exactly |
|---|---|
| 1 pound (lb) | 0.45359237 kilograms |
| 1 ounce (oz) | 28.349523125 grams |
| 1 stone (st) | 6.35029318 kilograms |
Weight & Mass Questions and Answers
One stone equals exactly 14 pounds (approx. 6.35 kg).