Pounds to grams – convert lb to g

Convert pounds to grams (lb to g) when you weigh things in pounds but need metric values for recipes, shipping or paperwork. This page opens the main mass converter with pounds → grams pre-selected.

Open the interactive lb → g converter:

Use main converter (lb → g) or switch to g → lb

Once you have grams, you can instantly flip to kilograms or milligrams in the same mass category.

Quick reference: pounds to grams

The exact factor is 1 lb = 453.59237 g.

Pounds (lb) Grams (g)
0.5 lb226.8 g
1 lb453.6 g
2 lb907.2 g
5 lb2,268 g
10 lb4,536 g

Why convert pounds to grams?

Using pounds and grams together

Pounds are convenient for everyday rough weights, while grams give a fine-grained metric view. The main converter lets you jump between lb, oz, g and kg so you can work in whichever unit a form, label or recipe expects.

Pounds to grams FAQ

Is this the same pound used on US food labels?
Yes – this tool uses the international avoirdupois pound, which is exactly 0.45359237 kg.
How accurate are the numbers?
The factor is exact; any rounding is just for display. The underlying calculation keeps full precision for typical everyday use.
How do I get kilograms too?
Either convert lb → g → kg, or directly choose lb → kg in the mass dropdown on the homepage.

More mass converters

Updated: January 2025.