# How to Convert Pounds to Grams (lb to g)

No matter what system of units you use, it’s useful knowing how to convert pounds to grams. The symbol for the pound is lb, while the symbol for the gram is g, so this is the lb to g conversion. Pounds are in use in the United States, its territories, and some Caribbean countries, while most of the rest of the world uses the metric unit of grams. You’ll use the pound to gram conversion in recipes and in the lab.

• Convert pounds to grams by multiplying the number of pounds by 453.592.
• Alternatively, divide the number of pounds by 0.0022.

### Pounds to Grams Conversion Factor

The conversion factor between pounds and grams is:

1 pound = 453.592 grams or 1 lb = 453.592 g

Another way of doing the conversion uses this conversion factor:

1 gram = 0.0022 pounds

### How to Convert Pounds to Grams

The easiest way to convert pounds to grams is simply multiplying the value in pounds by 453.592. This cancels out the pound unit, leaving grams.

? grams = ? pounds x 453.592 grams/pound

If you prefer, another method is dividing the number of pounds by 0.0022.

? grams = ? pounds รท 0.0022 pounds/gram

Once again, the pound unit cancels out. But, you need to remember units flip positions when you divide by them.

### Example Pounds to Grams Conversion

For example, find how many grams are in 0.5 pounds of flour.

? grams = ? pounds x 453.592 grams/pound
grams of flour = 0.5 pounds x 453.592 grams/pound
grams of flour = 226.796 g or about 227 grams

For example, convert 20 lbs of water to g.

? grams = ? pounds x 453.592 grams/pound
g of water = 20 lb x 453.592 g/lb
g of water = 9071.84 g

### Pounds to Grams Table

Instead of doing the unit conversion, look up the closest value from a table as an approximation.

### How Many Grams in a Pound?

There are actually two different types of pounds. The pound used in cooking and mass measurements is the avoirdupois pound. The other type of pound is the troy pound. The troy pound is a unit of gold weight.

• 1 Avoirdupois pound = 453.59237 g
• 1 Troy pound = 373.2417216 g

### References

• Chapman, Pat (2007). India Food and Cooking: The Ultimate Book on Indian Cuisine. London: New Holland Publishers (UK) Ltd. ISBN 978-1845376192.
• Fletcher, Leroy S.; Shoup, Terry E. (1978). Introduction to Engineering. Prentice-Hall. ISBN 978-0135018583.
• United States National Bureau of Standards (June 25, 1959). “Refinement of values for the yard and the pound”.
• Zupko, Ronald Edward (1977). British Weights & Measures: A History From Antiquity to the Seventeenth Century. University of Wisconsin Press. ISBN 9780299073404.

Are you looking for more unit conversions? Practice converting pounds to kilograms.