One drop is exactly 1.379479169e-08 cords, so converting drops to cords is a single multiplication. Enter any figure and the result appears as you type — the arithmetic runs in your browser, so nothing is sent anywhere.
The metric drop, standardised at 0.05 millilitres, or twenty drops to the millilitre. A stack of firewood four by four by eight feet — 128 cubic feet.
US and imperial measures share names and do not share sizes. The imperial gallon is 4.546 L against the US 3.785 L, and the imperial pint is 568 mL against 473 mL. A recipe or fuel figure is 20% out if the wrong gallon is used, so check which side of the Atlantic the number came from. The tables underneath give both a plain step-by-step lookup and a list of real quantities expressed in cords, so you can sanity-check whether your answer is a plausible size.
The formula
drops- The amount you are converting, in drops
1.37947916881e-08- The exact number of cords in one drop
cords- The converted result
How it works, step by step
- Enter the value in drops.
- It is multiplied by 1.37947916881e-08, the exact factor between the two units.
- The answer is shown in cords, with the reverse conversion beneath it.
- Check the reference table if you want a figure of comparable size.
Worked examples
A car fuel tank: 1.1e+06 gt in cords
A car fuel tank comes to about 1.1e+06 gt. Multiplying by the factor: 1.1e+06 × 1.37948e-08 = 0.0151743 cd. Dividing the answer back by 1.37948e-08 returns the figure you started with, which is the quickest way to check you have the factor the right way up.
A teaspoon: 98.6 gt in cords
A teaspoon comes to about 98.6 gt. Multiplying by the factor: 98.6 × 1.37948e-08 = 1.36017e-06 cd. Dividing the answer back by 1.37948e-08 returns the figure you started with, which is the quickest way to check you have the factor the right way up.
How to read your score
Frequently asked questions
How many cords are in one drop?
Exactly 1.37947916881e-08. Every figure on this page is that one number multiplied by your input, so the only rounding is at the display step.
What is the formula to convert drops to cords?
cords = drops × 1.37947916881e-08. Reversed, drops = cords ÷ 1.37947916881e-08, which is the same as multiplying by 72,491,127.2755.
Which is the bigger unit, the drop or the cord?
The cord. One drop is only 1.37948e-08 of a cord, so it takes 7.24911e+07 drops to make one cord.
What does this quantity actually measure?
Both units measure volume. That is why a single factor is enough: there is no temperature offset and no material property involved, unlike conversions that cross between different quantities.
What is a drop?
The metric drop, standardised at 0.05 millilitres, or twenty drops to the millilitre.
What is a cord?
A stack of firewood four by four by eight feet — 128 cubic feet.
Why does my answer differ from another converter?
Almost always because the other tool rounded the factor before multiplying. This page keeps full double precision through the calculation and rounds only for display, and it prints the factor it used so you can see where any difference came from.
Is there a quick way to do gt to cd in my head?
Plenty of people do this in their head: divide by 70000000.000000 instead of using the exact factor 1.3795e-08. At 100 that shortcut gives 0.000001 cords, off by 4.9092e-08 cords or about 3.56%. Fine for a rough estimate, not fine for anything you are cutting to size or dosing.
Drops to cords reference tables
| Drops | Cords |
|---|---|
| 0.5 gt | 6.8974e-09 cd |
| 1 gt | 1.37948e-08 cd |
| 2 gt | 2.75896e-08 cd |
| 3 gt | 4.13844e-08 cd |
| 5 gt | 6.8974e-08 cd |
| 10 gt | 1.37948e-07 cd |
| 20 gt | 2.75896e-07 cd |
| 25 gt | 3.4487e-07 cd |
| 50 gt | 6.8974e-07 cd |
| 75 gt | 1.03461e-06 cd |
| 100 gt | 1.37948e-06 cd |
| 250 gt | 3.4487e-06 cd |
| 500 gt | 6.8974e-06 cd |
| 1000 gt | 1.37948e-05 cd |
| 5000 gt | 6.8974e-05 cd |
Exact factor: 1 drop = 1.37947916881e-08 cords.
| Quantity | gt | cd |
|---|---|---|
| A teaspoon | 98.58 gt | 1.36e-06 cd |
| A soft-drink can | 7100 gt | 9.794e-05 cd |
| A wine bottle | 1.5e+04 gt | 0.0002069 cd |
| A car fuel tank | 1.1e+06 gt | 0.01517 cd |
| A domestic bath | 3.6e+06 gt | 0.04966 cd |
| A ready-mix truck load | 1.2e+08 gt | 1.655 cd |
Published reference values, converted with the same factor this page uses.