Calculator
Coffee Ratio Calculator
Turn a dose and a target ratio into water, temperature and grind
Result
—
Brew ratio—
Water temperature—
Grind setting—
Expected brew time—
LowHigh
Enter your numbers to see the formula used.
What this returns
Enter how much coffee you have and the ratio you want, and this returns the water weight, a starting temperature for the roast level, a grind range and an expected brew time — with the formula it used shown underneath, so you can check it.
Outputs
- Water needed
- Brew ratio
- Water temperature
- Grind setting
- Expected brew time
Every figure this calculator produces is an estimate from the inputs you provide, using the standard references shown in the formula panel. It is a starting point for a brew, not a guarantee of a result.