12.3 mg per KG equals what percent?

Answer 1

1 gram = 0.001 kg

1 mg = 0.001 gram = 0.000001 kg

12.3 mg = (12.3 x 0.000001) = 0.0000123

0.0000123 = 0.00123 %

Answer 2

To convert 12.3 mg per kg to a percentage, you would need to divide 12.3 mg by 1000 (to convert to grams) and then divide by the weight in kg. This percentage would indicate how much 12.3 mg is relative to the weight in kg.