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pound (lb) → gram (g)

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Use our free online converter to convert between units instantly. Enter any value in the field above to get accurate results. No signup or download required—all conversions run in your browser. Our calculator uses standard conversion factors for reliability.

0
lb=g
0.01=4.53592
0.1=45.3592
1=453.592
2=907.184
3=1,360.776
5=2,267.96
10=4,535.92
20=9,071.84
50=22,679.6
100=45,359.2
1000=453,592

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Brief explanation: pound to gram

Kilogram is the base unit of mass in the metric system. Pound ≈ 0.453 kg, ounce = 28.35 g. Ton = 1000 kg. Weight and mass are often used interchangeably in everyday contexts. The metric system (kg, g, mg) is used globally. Pounds and ounces are common in the US and UK. For cooking, grams are precise; for body weight, kg or lb are standard.

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Common conversion examples: pound to gram

Reference values for quick comparison. Use the converter above for any amount.

  • 1 pound=453.592 gram
  • 10 pound=4,535.92 gram
  • 100 pound=45,359.20 gram

About the Units

pound (lb)

Definition: A pound (lb) is a unit of mass in the imperial and US customary systems. The international avoirdupois pound equals exactly 0.45359237 kilograms, or 16 ounces. It is the primary weight unit in the US.
History: The pound has Roman origins (libra). The avoirdupois pound of 16 ounces became standard in England. The international pound was standardized in 1959 for consistency between the US and UK.
Current use: Pounds are used for body weight, produce, and meat in the US and UK. Shipping weights and gym equipment often use pounds. Most of the world uses kilograms for weight.

gram (g)

Definition: A gram (g) is a unit of mass equal to one thousandth of a kilogram. There are 1,000 grams in one kilogram. It is the metric unit for small masses like food ingredients and postal items.
History: The gram was introduced with the metric system as 1/1000 of the mass of one liter of water. It provided a convenient scale for recipes, chemistry, and small commercial transactions.
Current use: Grams are used for food nutrition labels, recipes, and postal weights. Jewelry and precious metals are often weighed in grams. Chemistry and pharmacy use grams for precise measurements.

Sources

Conversion factors and unit definitions follow international standards. For authoritative references, see: