Grams :

A gram is the mass/weight equal to 1/1,000 of a kilogram and is roughly equivalent to the mass of one cubic centimeter of water.

Pounds:

Pounds are a widely used unit of mass/weight in the United States. The National Bureau of Standards approved the international definition of the pound for use in the United States in 1959 after an agreement between six nations referred to as the International Yard and Pound Agreement.

One pound is equal to 16 ounces, or 0.45359237 kilograms. In the avoirdupois or apothecaries' systems, one pound is equal to 7,000 grains.

Differences between Grams and Pounds:

Grams and pounds are both used for measuring mass or weight. However, each of them are used in different cases. 

How to Convert Grams to Pounds :

To convert a gram measurement to a pound measurement, multiply the weight by the conversion ratio.Since one gram is equal to 0.002205 pounds, so the weight in pounds is equal to the grams multiplied by 0.002205.

This Calculatorful's grams to pounds converters can help you easily :

https://www.calculatorful.com/grams-to-pounds