To convert drops to cords, multiply by 1.379479169e-8.
The calculation uses 1 gt = 1.379479169e-8 cd. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
Assumes 20 drops per mL. Actual drop volume depends on the liquid and dispenser; not suitable for dosing.
The formula
gt- Input unit: drops
cd- Output unit: cords
How to use this calculator
- Enter a value in gt.
- Multiply by the stored conversion factor.
- Read the result in cd; divide by the same factor to convert back.
Worked examples
Worked conversion
1 gt × 1.379479169e-8 ≈ 1.379479169e-8 cd.
Reverse conversion
1.379479169e-8 cd ÷ 1.379479169e-8 ≈ 1 gt. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 1.379479169e-8 cd per gt. Assumes 20 drops per mL. Actual drop volume depends on the liquid and dispenser; not suitable for dosing.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
gt to cd table
| gt | cd (rounded) |
|---|---|
| 0 | 0 |
| 1 | 1.379479169e-8 |
| 2 | 2.758958338e-8 |
| 5 | 6.897395844e-8 |
| 10 | 1.379479169e-7 |
| 100 | 0.000001379479169 |