Redmoon Converters 获取任何冲泡方式的精确咖啡粉与水量——手冲、意式浓缩、爱乐压、法压壶、冷萃——并提供浓度调节和研磨度建议。
| 冲泡方式 | 比例 | 研磨度 | 冲泡时间 |
|---|---|---|---|
| Espresso | 1:2 | 细研磨 | 25–30 s |
| AeroPress | 1:14 | 中细研磨偏细 | 1–2 min |
| 摩卡壶 | 1:10 | 中细研磨 | 4–5 min |
| 法压壶 | 1:15 | 粗研磨 | 4 min |
| 手冲（V60） | 1:16 | 中研磨 | 2:30–3:30 |
| Chemex | 1:17 | 中粗研磨 | 4–5 min |
| 滴滤 / 批量咖啡机 | 1:17 | 中研磨 | 4–6 min |
| 冷萃 | 1:8 | 粗研磨 | 12–18 h |
咖啡与水的比例按重量计算（1毫升水≈1克）。咖啡粉重量 = 水量 ÷ 比例。SCA“黄金比例”滤泡式为1:18；意式浓缩则浓得多，约为1:2。浓度滑块可在±15%范围内调整比例——比例数值越低，代表咖啡越浓/每杯咖啡粉越多。
务必使用秤称重，不要用量勺估算。每杯用量相差2克，就足以造成又苦又淡的差别。
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