| Milliliter |
mL |
Volume |
1 mL = 1 cc = 0.001 L |
Liquid volume (syringes, vials) |
| Cubic Centimeter |
cc |
Volume |
1 cc = 1 mL = 0.001 L |
Used interchangeably with mL |
| Liter |
L |
Volume |
1 L = 1,000 mL |
Large solutions and containers |
| Microliter |
µL |
Volume |
1 µL = 0.001 mL |
Microdosing, pipettes |
| Milligram |
mg |
Mass |
1 mg = 0.001 g |
Powdered substances, actives |
| Gram |
g |
Mass |
1 g = 1,000 mg |
General lab powders |
| Kilogram |
kg |
Mass |
1 kg = 1,000 g |
Bulk materials |
| International Unit |
IU |
Activity |
Varies (compound specific) |
Hormones, vitamins, peptides |
| Unit |
U |
Activity |
Often same as IU |
Insulin, biologics |
| Nanomole |
nmol |
Substance Amount |
1 nmol = 10⁻⁹ mol |
Precise peptide research |
| Micromole |
µmol |
Substance Amount |
1 µmol = 10⁻⁶ mol |
Molar-based dosing |
| Mole |
mol |
Substance Amount |
1 mol = 6.022 × 10²³ molecules |
Molecular quantification |