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Pounds to Grams Converter

Convert pounds to grams and back — exactly 453.59237 g per pound. Everything runs instantly in your browser; nothing is uploaded.

Convert pounds ⇄ grams

907.1847 g
2 lb = 907.1847 g (1 lb = 453.59237 g (exact))

Formula: 2 lb × 453.59237 = 907.1847 g

How the pounds to grams conversion works

The converter applies g = lb × 453.59237. The international avoirdupois pound is defined as exactly 0.45359237 kg, so one pound is exactly 453.59237 grams — and 2 lb is exactly 907.18474 g, the base of the US ton. Going the other way, lb = g ÷ 453.59237.

Worked example: a 3 lb bag of sugar is 3 × 453.59237 = 1,360.77711 g, about 1,360.78 g or 1.36 kg. A half-pound (8 oz) of butter is 0.5 × 453.59237 ≈ 226.8 g — see our ounces to grams converter for smaller weights.

In the kitchen, rounding to the nearest gram is fine — the difference between 453.59 g and 454 g is invisible in any recipe. For quick kilogram conversions, see our kg to lbs converter.

pounds to grams questions

How many grams are in a pound?
Exactly 453.59237 g. The international avoirdupois pound is defined as 0.45359237 kilograms — no rounding, no exceptions.
How do I convert pounds to grams?
Multiply by 453.59237: g = lb × 453.59237. So 2 lb is 2 × 453.59237 = 907.18474 g, and 5 lb is 2,267.96 g. Type any figure above.
How much is 1 pound of flour in grams?
453.59 g — most recipes round it to 450 g or 454 g, close enough for baking. For flour and other ingredients by volume, see our grams to cups converter.
How do I convert grams back to pounds?
Divide by 453.59237: lb = g ÷ 453.59237. So 500 g is 500 ÷ 453.59237 ≈ 1.10231 lb, and 1 kg (1,000 g) is ≈ 2.20462 lb. Switch the direction above to do it.
Why is a pound exactly 453.59237 grams?
Six English-speaking nations signed the 1959 international yard and pound agreement, fixing the avoirdupois pound at exactly 0.45359237 kg. Before that, the pound differed slightly between countries — the agreement ended that for good.

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Sources & official guidance

Estimate only — the international pound is exactly 453.59237 g by definition; conversions are exact. See our disclaimer.