☕

Coffee Ratio — Grams, Water, Brew Time

Get coffee-to-water ratio by brew method. Pour-over, French press, espresso, cold brew, drip, AeroPress.

1:16
Filter ratio
237ml
US cup
18
Espresso g/100ml
195–205°F
Brew temp

Calculate

Why This Recipe Matters

Why: Consistent coffee requires the right ratio.

How: Coffee = (cups × 237ml / 100) × ratio × strength.

Sources:SCA
1:16: Filter ratio
1:2: Espresso
237ml: US cup

📋 Quick Examples

coffee-brew.outCALCULATED
$ coffee-brew --method pour-over --cups 2
─────────────────────────────────────
Coffee: 28.4 g
Water: 474 ml
Brew time: 3-4 min
// Ratio: 1:17 (6.0g per 100ml)

📊 Method Ratios

📊 Composition

📊 Ratio by Method

📊 Your Brew

For educational and informational purposes only. Verify with a qualified professional.

Standard ratio ~1:16–1:18. Espresso ~1:2. Coffee = (cups × 237ml / 100) × ratio × strength. Use a scale.

1:16
Filter ratio
237ml
US cup
18
Espresso g/100ml
195–205°F
Brew temp

Key Takeaways

  • • 1:16–1:18 for filter. Espresso ~1:2.
  • • Use a scale. Grind: bitter=coarser, sour=finer.
  • • 195–205°F for hot brew.
  • • Cold brew: 12–24h, dilute 1:1 or 1:2.

Did You Know?

🔢 1:16 common filter ratio
📊 1:2 espresso ratio
💡 237ml US cup
🌍 6g/100ml pour-over
📈 18g espresso dose
🎯 12–24h cold brew

How It Works

Coffee = (cups × 237ml / 100) × ratio × strength. Brew time is method-specific.

Expert Tips

Use kitchen scale
Bitter=coarser, sour=finer
195–205°F water
Cold brew dilute 1:1 or 1:2

Method Comparison

MethodRatioTime
Pour-Over63–4 min
French Press6.54–5 min
Espresso1825–30 sec
Cold Brew812–24 hr

FAQ

What is the best coffee-to-water ratio?

For filter coffee, 1:15 to 1:18 is common. 1:16 (6.25g per 100ml) is a good starting point. Adjust to taste.

Why does espresso use so much more coffee?

Espresso extracts under pressure in ~25–30 seconds. To get strong flavor in that short time, you need a much higher dose and finer grind.

How long should I steep cold brew?

12–24 hours at room temp or in the fridge. Longer = stronger. Dilute 1:1 or 1:2 with water or milk when serving.

Does grind size affect the ratio?

Grind affects extraction, not the ratio. Use the same ratio but adjust grind: too bitter = coarser; too sour = finer.

What water temperature for brewing?

195–205°F (90–96°C) for hot brew. Room temp or cold for cold brew.

How many grams per cup?

Pour-over: ~14g for 2 cups (474ml). Espresso: ~18g per shot. Use a scale for consistency.

Key Statistics

1:16
Filter
237ml
US cup
18
Espresso
195–205°F
Temp

Sources

SCABon Appétit

⚠️ Disclaimer: Ratios are guidelines. Adjust to taste.

Sources

SCA

Related Food Calculators

Baking ConversionCups to gramsTry Calculator →Cake Pan ConverterPan sizesTry Calculator →Alcohol DilutionDilute spiritsTry Calculator →

Related Calculators

Alcohol Dilution Calculator

Dilute spirits/alcohol to a target proof/ABV. Uses the alcohol dilution formula. Input: current ABV%, target ABV%, volume. Output: water to add.

Food

Baking Conversion Calculator

Convert between weight and volume for common baking ingredients (flour, sugar, butter, milk, etc). Each ingredient has a different density. Input...

Food

BBQ Calculator

Calculate meat quantities per person for BBQ/grilling events. Input: number of guests, types of meat, duration. Estimates total meat, sides, drinks.

Food

Cake Pan Converter Calculator

Convert recipes between different pan shapes/sizes. Calculate area ratio and adjust batter amounts. Shapes: round, square, rectangle, bundt.

Food

Cooking Measurement Calculator

Convert between cups, tablespoons, teaspoons, ml, liters, fluid ounces, pints, quarts, and gallons.

Food

Food Cost Calculator

Calculate cost per serving, food cost percentage, and menu price based on ingredient costs. For restaurants and meal prep.

Food