Drugs & toxicology
Delta-9-tetrahydrocannabinol (THC): convert ng/mL to nmol/L
nmol/L = ng/mL × 3.18
Calculator
Enter a value in any unit and all other units fill in.
Conversion formulas
| ng/mL → nmol/L | nmol/L = ng/mL × 3.18 |
| nmol/L → ng/mL | ng/mL = nmol/L × 0.3145 |
Conversion table
| ng/mL | nmol/L |
| 1 | 3.18 |
| 2 | 6.359 |
| 5 | 15.9 |
| 10 | 31.8 |
| 20 | 63.59 |
| 50 | 159 |
| 100 | 318 |
Source: PubChem: Tetrahydrocannabinol · Last reviewed: 2026-10-19
Frequently asked questions
How do I convert Delta-9-tetrahydrocannabinol (THC) from ng/mL to nmol/L?
nmol/L = ng/mL × 3.18. For example, 10 ng/mL equals 31.8 nmol/L.
How many nmol/L are 10 ng/mL?
10 ng/mL equal 31.8 nmol/L (Delta-9-tetrahydrocannabinol (THC)).
How do I convert Delta-9-tetrahydrocannabinol (THC) from nmol/L back to ng/mL?
ng/mL = nmol/L × 0.3145.