Drops to Milliliters Converter
Convert drops (gtt) to milliliters (mL), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter a volume, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 gtt = 0.05 mL
- 1 × 0.05 = 0.05 mL
How to convert drops to milliliters
1 gtt = 0.05 mL, so multiply by 0.05 to go from drops to milliliters. Going the other way, 1 mL = 20 gtt.
mL = gtt × 0.05 gtt = mL × 20
Worked example:
1 gtt = 0.05 mL 5 × 0.05 = 0.25 mL
Drops to milliliters table
| Drops | Milliliters |
|---|---|
| 1 gtt | 0.05 mL |
| 2 gtt | 0.1 mL |
| 3 gtt | 0.15 mL |
| 4 gtt | 0.2 mL |
| 5 gtt | 0.25 mL |
| 6 gtt | 0.3 mL |
| 7 gtt | 0.35 mL |
| 8 gtt | 0.4 mL |
| 9 gtt | 0.45 mL |
| 10 gtt | 0.5 mL |
| 15 gtt | 0.75 mL |
| 20 gtt | 1 mL |
| 25 gtt | 1.25 mL |
| 30 gtt | 1.5 mL |
| 40 gtt | 2 mL |
| 50 gtt | 2.5 mL |
| 75 gtt | 3.75 mL |
| 100 gtt | 5 mL |
| 250 gtt | 12.5 mL |
| 500 gtt | 25 mL |
| 1000 gtt | 50 mL |
About the units
- Drops (gtt)
- Drops, a specialised unit. A convention, not a standard: real drops vary with the liquid and dropper (pharmacy droppers range from about 15 to 20 drops per mL). Definition: Metric drop convention: 20 drops per milliliter (as used by Inch Calculator).
- Milliliters (mL)
- Milliliters, a metric unit. Definition: BIPM SI Brochure.