Coffee to Water Ratio Calculator

Welcome to the coffee to water ratio calculator that helps measure the optimal proportion of coffee grounds to water for the perfect brew using Coffee (g) = Water (g) / Ratio formula.

Espresso Brewing Calculation

• Ratio: 1:2 (intense concentration)
• Water: 60ml
• Coffee Grounds: 30g

Pour-Over Brewing Calculation

• Ratio: 1:16 (balanced extraction)
• Water: 500ml
• Coffee Grounds: 31.25g

French Press Brewing Calculation

• Ratio: 1:12 (stronger brew)
• Water: 360ml
• Coffee Grounds: 30g

Coffee to Water Ratio Conversion Chart

Brewing Method	Coffee to Water Ratio	Water Volume (ml)	Coffee Grounds (g)
Espresso	1:2	30	15
Espresso	1:2	60	30
Espresso	1:2	90	45
Pour-Over	1:15	250	16.67
Pour-Over	1:16	300	18.75
Pour-Over	1:16	500	31.25
French Press	1:12	360	30
French Press	1:12	720	60
French Press	1:12	1000	83.33
AeroPress	1:15	200	13.33
AeroPress	1:16	250	15.63
Cold Brew	1:4	1000	250

Coffee to Water Ratio Conversion Formula

The formula for coffee-to-water ratio calculation is:

Coffee Weight = Total Water Volume ÷ Ratio Factor

• Total Water Volume: Measured in milliliters (ml)
• Ratio Factor: Represents the water-to-coffee proportion
• Coffee Weight: Calculated in grams (g)

• Desired Water Volume: 500ml
• Preferred Ratio: 1:16
• Calculation: 500 ÷ 16 = 31.25g of coffee grounds

How to Calculate Coffee to Water Ratio?

• Choose Brewing Method
  • Different methods require varied ratios.
  • Espresso needs a concentrated 1:2 ratio.
  • Pour-over typically uses 1:16.
  • French Press works well with 1:12.
• Measure Water Volume
  • Use a digital scale for accuracy.
  • Measure desired brewing volume in milliliters.
• Apply Conversion Formula
  • Divide total water volume by chosen ratio factor.
  • Result provides exact coffee ground weight.

• Brewing Method: Pour-over
• Water Volume: 300ml
• Ratio: 1:16
• Calculation: 300 ÷ 16 = 18.75g of coffee grounds

What is the Coffee to Water Ratio?

The coffee-to-water ratio represents the connection between coffee grounds and water during brewing.

• 1:10: Strong, intense brew
• 1:15: Balanced, medium strength
• 1:18: Light, subtle flavor
• 1:2: Concentrated (espresso)

What is the Correct Coffee to Water Ratio?

The standard “golden ratio” for coffee brewing is 1:16 to 1:18 (coffee to water). This means:

• For every 1 gram of coffee, use 16-18 grams of water.
• For typical home brewing, this translates to:
  • 2 tablespoons coffee (10g) per 6 oz water
  • 60g coffee per 1 liter water

You can adjust this based on preference:

• Stronger coffee: 1:15 ratio
• Weaker coffee: 1:17 ratio
• Cold brew: 1:8 ratio

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