What are pounds?
Pounds are an imperial unit of weight normally used in the United States but can be found in use in the United Kingdom and Ireland as well. One pound is equal to 0.4536 kilograms.
We provide several conversion calculators from pounds on this site including the most popular: pounds to kilograms.
Note that pounds are normally referring to avoirdupois pounds. This should not be confused with Troy pounds which is used almost exclusively to measure precious metals.
What are grains?
Grains are a unit of measurement commonly used in the imperial system to measure the weight of small objects such as bullets, arrows, and jewelry.
One grain is equivalent to approximately 0.0648 grams or 0.0023 ounces and are still used in certain industries where precision is crucial, such as in the production of pharmaceuticals and supplements.