Each powder is a little bit different and some are more voluminous than others, but for most powders the measurements below are good approximations: 1 lb of powder = 50 tablespoons
1 lb of powder = 150 teaspoons
1 teaspoon = 3 grams (3000 mg)
1 tablespoon = 9 grams (9000 mg)
1 tablespoon = 3 teaspoons
1 lb - 454 grams (45,360 mg)
1 kg = 2.2 lbs