Iced Pour Over Split: 60% Hot Water / 40% Ice
Japanese Iced Pour Over Coffee Ratio Calculator
For a 400g total iced brew at 1:16, use 25.0 grams coffee. Place 160 grams of ice cubes (40%) in the carafe and brew with 240 grams of near-boiling water (60%) directly over the ice.
Interactive Ratio Adjuster
Grind Size
Medium-Fine
Water Temp
205°F (96°C)
Brew Time
3:00 minutes
Required Coffee Grounds
Ground Coffee Needed
0.0 g
0.0 level scoops (approx. 0.0 tbsp)
Ounces (oz)
0.00 oz
Water (fl oz)
0.0 fl oz
Bloom Water
0 g
Recommended Brew Sequence
1
Weigh 0g of coffee. Grind to Medium-Fine.
2
Preheat water to 205°F (96°C). Rinse paper or mesh filter with hot water.
3
Pour 0g water for 45s bloom to release trapped CO2 gases.
4
Complete pour to 0ml. Target total brew finish: 3:00 minutes.
Standard Servings Quick Reference Chart
| Serving Size | Water (ml / g) | Water (fl oz) | Coffee Grounds (Grams) | Level Scoops (~10g) | Level Tablespoons (~5g) |
|---|
Frequently Asked Questions
Why is Japanese flash brew better than cold brew?
Hot water extracts delicate floral aromatics and fruit acids that cold water cannot dissolve. Dripping the hot concentrate directly onto ice flash-chills the liquid, locking in volatile aromas instantly.