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Pounds to Grams (lb to g) Converter

1 pound (lb) = 453.592 grams (g). To convert pounds to grams, multiply by 453.592: 150 lb × 453.592 = 68,038.9 g. Also searched as lbs to gram, pounds to gram.

1 lb = 453.59237 g
Convert the other way: Grams to Pounds

Quick facts

How to convert pounds to grams

  1. Take the value in pounds.
  2. Multiply it by 453.592 (the number of grams in one pound).
  3. Round the result to the precision you need.
g = lb × 453.592

Worked example (a person's body weight): 150 lb × 453.592 = 68038.9 g.

To convert grams back to pounds, multiply by 0.00220462, or divide by 453.592.

Source: NIST Special Publication 811 (2008), Appendix B (1 pound = 0.45359237 kg exactly). Tola, seer and maund use the standard values given in their definitions on this page.

Pounds to Grams conversion table

Pounds to Grams conversion table
Pounds [lb]Grams [g]
0.01 lb4.5359237 g
0.1 lb45.359237 g
1 lb453.59237 g
2 lb907.18474 g
3 lb1360.77711 g
5 lb2267.96185 g
10 lb4535.9237 g
20 lb9071.8474 g
50 lb22679.6185 g
100 lb45359.237 g
1000 lb453592.37 g

lb to g chart from 1 to 100

Grams to Pounds conversion table

Grams to Pounds conversion table
Grams [g]Pounds [lb]
0.01 g0.0000220462 lb
0.1 g0.0002204623 lb
1 g0.0022046226 lb
2 g0.0044092452 lb
3 g0.0066138679 lb
5 g0.0110231131 lb
10 g0.0220462262 lb
20 g0.0440924524 lb
50 g0.1102311311 lb
100 g0.2204622622 lb
1000 g2.2046226218 lb

Pounds vs Grams

PoundGram
Symbollbg
Equals1 lb = 453.592 g1 g = 0.00220462 lb

What is a pound?

A US customary and imperial unit equal to exactly 0.45359237 kilograms. The standard everyday weight unit in the US, including body weight.

What is a gram?

One thousandth of a kilogram, the SI base unit of mass. Used for food packaging, cooking, and small everyday items.

Frequently asked questions

How many grams are in a pound?

There are 453.592 grams in 1 pound (1 lb = 453.59237 g).

How many pounds are in a gram?

There are 0.00220462 pounds in 1 gram (1 g = 0.0022046226 lb).

How do I convert pounds to grams?

Multiply the number of pounds by 453.592. For example, 10 lb × 453.592 = 4,535.92 g. To convert back, multiply by 0.00220462.

What is 10 lb in grams?

10 lb = 4,535.92 g.

What is 100 lb in grams?

100 lb = 45,359.2 g.

Is the conversion exact?

Yes. The factor comes from the official definitions of both units (NIST Special Publication 811 (2008), Appendix B (1 pound = 0.45359237 kg exactly). Tola, seer and maund use the standard values given in their definitions on this page). Results are shown to up to 10 decimal places; round them to suit your purpose.

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Reviewed by

Dr. Muhammad Amjad Khadim PhD Mathematics

Dr. Muhammad Amjad Khadim holds a PhD in Mathematics. He writes and reviews the guides on pakmath.com and checks every formula, conversion factor and worked example against published standards and official guidance before it goes live. Spotted an error? Tell us and it will be corrected.

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First published 28 October 2026 · Last reviewed 5 November 2026