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☕ Coffee Brewing Calculator

Brewing Settings

Typical range: 15-17. Lower = stronger, Higher = weaker
⚖️ Calculate Ratio from Recipe

Enter a sample water and coffee amount to calculate the ratio

Reduce coffee amount for larger batches (0-50%)
📋 Recipe Summary
Coffee Needed:
12.00 g
Water Needed:
250.00 g / ml
Actual Ratio:
1:20.84

Pour-Over Brewing Guide

⏱️ Brewing Timeline
Time Scale Reading Water to Add Action
0:00 - 0:00 50 g 50 g Pour water
0:10 - 0:15 - - Gently swirl
0:15 - 0:45 - - Bloom
0:45 - 1:00 100 g 50 g Pour water
1:00 - 1:10 - - Pause
1:10 - 1:20 150 g 50 g Pour water
1:20 - 1:30 - - Pause
1:30 - 1:40 200 g 50 g Pour water
1:40 - 1:50 - - Pause
1:50 - 2:00 250 g 50 g Pour water
2:00 - 2:05 - - Gently swirl
💡 Brewing Tips:
  • Bloom Phase: The first pour saturates the coffee grounds and releases CO2
  • Gentle Swirl: Ensures even extraction without disturbing the coffee bed
  • Pause Between Pours: Allows water to flow through evenly
  • Water Temperature: Use water at 92-96°C (198-205°F) for best results
  • Grind Size: Medium-fine (like table salt) works best for pour-over

About Pour-Over Coffee

Pour-over coffee is a manual brewing method that gives you complete control over the extraction process. By carefully controlling the water temperature, grind size, and pour rate, you can extract the perfect balance of flavors from your coffee beans.

Understanding Coffee Ratios

The coffee-to-water ratio is typically expressed as 1:15 to 1:17, meaning 1 gram of coffee to 15-17 grams of water:

  • 1:15 - Stronger, more concentrated coffee
  • 1:16-1:17 - Balanced, medium strength (most popular)
  • 1:18+ - Lighter, more delicate brew

Why Bulk Size Adjustment?

When brewing larger batches, you may want to reduce the coffee amount slightly (10-20%) because:

  • Larger volumes extract more efficiently
  • Helps prevent over-extraction and bitterness
  • Maintains consistent taste across different batch sizes
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