Pound to Gram Converter
One Pound equals 453.59237 Gram (1 lb = 453.59237 g). Multiply a Pound value by 453.59237 to get the equivalent in Gram. Use the calculator above for instant results, or follow the formula, worked examples, and reference table below.
Formula
g = lb × 453.59237
Multiply the Pound value by 453.59237 to get the equivalent value in Gram.
Example Conversions
1 Pound (lb)
453.59237 Gram (g)
5 Pound (lb)
2267.96185 Gram (g)
10 Pound (lb)
4535.9237 Gram (g)
25 Pound (lb)
11339.80925 Gram (g)
100 Pound (lb)
45359.237 Gram (g)
Conversion Table
| Pound (lb) | Gram (g) |
|---|---|
| 0.1 | 45.359237 |
| 0.5 | 226.796185 |
| 1 | 453.59237 |
| 2 | 907.18474 |
| 5 | 2267.96185 |
| 10 | 4535.9237 |
| 25 | 11339.80925 |
| 50 | 22679.6185 |
| 100 | 45359.237 |
| 250 | 113398.0925 |
| 500 | 226796.185 |
| 1000 | 453592.37 |
How to Convert Manually
Use these steps to convert Pound values to Gram without the calculator.
- Write down the value in Pound (lb) that you want to convert.
- Multiply that value by 453.59237.
- For example, 10 Pound × 453.59237 = 4535.9237 Gram.
- Label the result as Gram (g).
Relative Size Comparison
This chart shows the visual difference in size between exactly one Pound and one Gram.
About Pound and Gram
The pound (avoirdupois) is defined as exactly 0.45359237 kilograms under the 1959 international agreement. Body weight, groceries, and shipping in the US run on pounds. The gram is one thousandth of a kilogram. Recipes, nutrition labels, and postal scales work in grams because the kilogram is too coarse for them. One Pound equals 453.59237 Gram (1 lb = 453.59237 g). Pound to Gram conversion comes up most often in body weight in the US and in US grocery and butcher pricing, typically when figures need restating for cooking and baking recipes.
Precision and Rounding: Metric-imperial mass factors are exact (1 lb = 0.45359237 kg by the 1959 agreement), so precision is purely a display choice. One decimal place is enough for body weight and cooking; nutrition labeling, pharmacy, and lab work need the full factor before rounding.
Conversion factors per NIST Special Publication 811 and the BIPM SI Brochure (9th edition) (reference).
Worked Example
15 Pound equals 6803.88555 Gram.
15 lb × 453.59237 = 6803.88555 g
FAQ
How do I convert Pound to Gram?
Multiply the Pound value by 453.59237 to get the equivalent value in Gram.
What is the formula for Pound to Gram?
The formula is g = lb × 453.59237.
How many Gram are in 1 Pound?
1 Pound equals 453.59237 Gram.
Can I convert Gram back to Pound?
Yes. 1 Gram equals 0.002204622622 Pound, and the related converter can reverse the calculation.
What are common names for Pound and Gram?
Pound is shown as lb and may also be searched as pounds, lbs. Gram is shown as g and may also be searched as grams, gramme, grammes.
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