| Test | Conventional units | SI units |
|---|---|---|
| A/G ratio | 3.4-4.8 g/dl | 34-38 g/dl |
| Ammonia | < 50 ng/dl | < 36 µmol/L |
| Amylase | 26-102 units/L | 0.4-1.74 µkat/L |
| Anion gap | 8-14 mEq/L | 8-14 mmol/L |
| Bilirubin, direct | < 0.5 mg/dl | < 6.8 µmol/L |
| Calcitonin | Male: < 16 pg/ml Female: < 8 pg/ml | < 16 ng/L < 8 ng/L |
| Calcium, ionized | 4.65-5.28 mg/dl | 1.1-1.25 mmol/L |
| Cortisol | a.m.: 7-25 mcg/dl p.m.: 2-14 mcg/dl | 0.2-0.7 µmol/L 0.06-0.39 µmol/L |
| C-reactive protein | < 0.8 mg/dl | < 8 mg/L |
| Ferritin | Male: 20-300 ng/ml Female: 20-120 ng/ml | 20-300 mcg/L 20-120 mcg/L |
| Folate | 1.8-20 ng/ml | 4.5-45.3 nmol/L |
| GGT | Male: 7-47 units/L Female: 5-25 units/L | 0.12-1.80 µkat/L 0.08-0.42 µkat/L |
| HbA1c | 4%-7% | 0.04-0.07 |
| Homocysteine | < 12 µmol/L | < 12 µmol/L |
| Iron | Male: 65-175 mcg/dl Female: 50-170 mcg/dl | 11.6-31.3 µmol/L 9-30.4 µmol/L |
| Iron-binding capacity | 250-400 mcg/dl | 45-72 µmol/L |
| Lactic acid | 0.5-2.2 mEq/L | 0.5-2.2 mmol/L |
| Lipase | 10-73 units/L | 0.17-1.24 µkat/L |
| Magnesium | 1.3-2.2 mg/dl | 0.65-1.05 mmol/L |
| Osmolality | 275-295 mOsm/kg | 275-295 mOsm/kg |
| Phosphate | 2.7-4.5 mg/dl | 0.87-1.45 mmol/L |
| Prealbumin | 19-38 mg/dl | 190-380 mg/L |
| Uric acid | Male: 3.4-7 mg/dl Female: 2.3-6 mg/dl | 202-416 µmol/L 143-357 µmol/L |