How Many Grams in a Pound?
1 pound equals exactly 453.59237 grams. Convert pounds to grams and grams to pounds instantly — free, no sign-up, runs in your browser.
Pounds ↔ Grams Converter
1 lb × 453.59237 = 453.59237 g
- Based on NIST standards
- BIPM metric system
- 1959 International Yard and Pound Agreement
- Exact factor 453.59237
What Is the Pounds to Grams Converter?
This pounds to grams converter changes a weight measured in pounds (lb) — the everyday avoirdupois pound used in the United States and the United Kingdom — into grams (g), the metric unit used in most of the world. Enter any value in pounds to see the exact gram equivalent, or switch direction to convert grams back to pounds. It is ideal for recipes, shipping, fitness, and school or laboratory work where imperial and metric weights meet.
How to Convert Pounds to Grams
- Enter the weight in pounds in the converter above (or take your pound value for a manual calculation).
- Multiply the pounds by 453.59237.
- Read the result in grams.
Pounds to Grams Formula
Grams = Pounds × 453.59237
Reverse formula: Pounds = Grams ÷ 453.59237
Worked example: 5 lb × 453.59237 = 2,267.96185 g. So 5 pounds equals 2,267.96185 grams.
Pounds to Grams Conversion Table
| Pounds (lb) | Grams (g) |
|---|---|
| 0.25 lb | 113.40 g |
| 0.5 lb | 226.80 g |
| 1 lb | 453.59 g |
| 1.5 lb | 680.39 g |
| 2 lb | 907.18 g |
| 3 lb | 1,360.78 g |
| 4 lb | 1,814.37 g |
| 5 lb | 2,267.96 g |
| 10 lb | 4,535.92 g |
| 20 lb | 9,071.85 g |
How Many Grams in 1 Pound?
There are exactly 453.59237 grams in 1 pound — about 454 g when rounded. For smaller amounts, remember that 1 pound = 16 ounces and 1 ounce = 28.349523125 grams.
Grams to Pounds Conversion Table
| Grams (g) | Pounds (lb) |
|---|---|
| 100 g | 0.22046 lb |
| 250 g | 0.55116 lb |
| 453.59237 g | 1 lb |
| 500 g | 1.10231 lb |
| 1,000 g | 2.20462 lb |
| 5,000 g | 11.02311 lb |
When to Convert Pounds to Grams
- Cooking and baking: follow metric recipes with precision.
- Shipping and postage: carriers often price parcels by grams and kilograms.
- Body weight and fitness: track weight and nutrition in metric units.
- Science and lab work: experiments are measured in grams.
- Grocery shopping abroad: food outside the US is usually sold by the gram or kilogram.
Troy Pound vs Avoirdupois Pound
Not all pounds are equal. The troy pound, used for precious metals such as gold and silver, equals 373.2417216 grams. The everyday avoirdupois pound — the one this converter uses — equals 453.59237 grams. Always check which pound a price or measurement refers to when dealing with precious metals.
What Is a Pound?
The pound (lb) is a unit of mass in the imperial and US customary systems. The international avoirdupois pound is defined as exactly 0.45359237 kilograms, is divided into 16 ounces, and is the standard unit for body weight and most goods in the United States.
What Is a Gram?
The gram (g) is a metric unit of mass equal to one thousandth of a kilogram. Grams are used worldwide for cooking ingredients, small parcels, science and everyday measurements where kilograms would be too large.
Frequently Asked Questions
How many grams in a pound?
There are 453.59237 grams in 1 pound.
How many grams in a half pound?
A half pound is 226.80 grams (0.5 × 453.59237 = 226.796185 g, rounded to 226.80 g).
How many grams in a quarter pound?
A quarter pound is 113.40 grams (0.25 × 453.59237 = 113.3980925 g, rounded to 113.40 g).
Is 500 g a pound?
No. 500 grams equals 1.10231 pounds, so 500 g is a little more than a pound.
How many grams in a pound of flour or butter?
The same as any other pound: 453.59 grams. Weight does not change by ingredient — a pound of flour and a pound of butter both weigh 453.59 g. Only the volume (cups) differs between ingredients.
How many pounds is 1000 g?
1000 grams equals 2.20462 pounds (1000 ÷ 453.59237).
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