| System | Plasma or serum glucose level; carpenter and coustan conversion (mg/dl) | PLASMA level; national diabetes data group conversion (mg/dl) | ||
| Unit | mg/dL | mmol/L | mg/dL | mmol/L |
| Fasting | 95 | 5.3 | 105 | 5.8 |
| 1 Hour | 180 | 10.0 | 190 | 10.6 |
| 2 Hours | 155 | 8.6 | 165 | 9.2 |
| 3 Hours | 120 | 7.8 | 145 | 8.0 |