Pounds (lbs) to Grams (g) Converter
Enter a value to instantly convert between weight units.
1 Pound = 453.5924 Gram
Key Formulas
Kilogram → Pound
lb = kg × 2.20462Pound → Kilogram
kg = lb × 0.453592Gram → Ounce
oz = g × 0.035274Ounce → Gram
g = oz × 28.3495Formula
g = lb × 453.592One pound equals 453.592 grams — a legacy of the Roman libra, which evolved into the British pound and then the US customary pound. US food labels, postal services, and shipping companies often need to convert between pounds and grams when working with international partners or metric documentation systems.
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
A US recipe calling for 1 lb of flour converts to 454 g on a metric scale.
1 lb = 453.59 g
A US postal package weighing 5 lbs converts to 2268 g for the international shipping declaration.
5 lb = 2267.96 g
A US food manufacturer exporting 10 lbs of product declares 4536 g to the foreign customs authority.
10 lb = 4535.92 g
A small envelope weighing 0.5 lbs (8 oz) is 227 g for the air freight calculation.
0.5 lb = 226.8 g