THE COFFEE WORKBENCH

コーヒーツール

Useful calculations, thoughtful planning and a place to record your next brew.

リセット
Brewing

コーヒーと湯の比率

Choose your dose and water-to-coffee ratio.

Brewing

コーヒー粉量

Find the coffee dose for a measured amount of water.

Espresso

エスプレッソ抽出量

Plan the mass of espresso in your cup.

Espresso

エスプレッソの比率

Calculate the ratio of your measured shot.

Brewing

レシピの分量換算

Scale coffee and water together.

Brewing

杯数プランナー

Plan brew water and coffee for several cups.

Brewing

蒸らし湯量

Set aside the first pour from your total water.

Brewing

分割注湯プラン

Split remaining brew water into equal pours.

Brewing

アイスドリップの比率

Divide brew water into hot water and ice.

Brewing

濃縮液の希釈

Dilute a measured concentrate by mass.

測定

TDS 希釈

Calculate added water to lower a measured TDS.

測定

抽出収率

Estimate extraction from beverage mass and coffee TDS.

測定

目標 TDS

Explore the arithmetic relationship between yield and strength.

焙煎

2 種類のブレンド

Weigh two coffees into a chosen blend.

焙煎

焙煎の重量減少

Record the mass lost during a roast.

焙煎

必要な生豆量

Plan green input from your measured roast loss.

予算

豆の単価

Compare bags using price per kilogram and 100 grams.

予算

1 杯の豆コスト

Calculate the bean cost of your daily dose.

予算

ミルク飲料の原価

Add milk and other ingredients to a cup cost.

予算

月間コーヒー予算

Plan at-home cups and café visits.

予算

バッチの原価

Account for coffee, filters and measured utilities.

予算

器具の損益分岐点

Compare an equipment purchase against a per-cup saving.

予算

電気代の見積もり

Estimate energy use from power and active time.

プランニング

浄水フィルター交換目安

Track remaining rated filter capacity.

プランニング

豆の在庫プランナー

Find how long a bag will last.

単位換算

温度換算

Convert Celsius and Fahrenheit.

単位換算

質量換算

Convert grams, kilograms, ounces and pounds.

単位換算

容量換算

Compare millilitres with US and imperial fluid ounces.

単位換算

抽出時間の換算

Turn minutes and seconds into a total time.

測定

水のブレンド

Blend two measured waters to a target concentration.

プランニング

抽出ストップウォッチ

Start, pause and record lap times for a brew.

プランニング

注湯ガイドタイマー

Follow your own bloom and pour schedule with cumulative water targets.

Records

抽出ノート

Save your recipe and tasting notes on this device, then export a CSV.

Records

テイスティングノート

Record aroma, acidity, sweetness, body and finish in your own words.

プランニング

焙煎日トラッカー

Count elapsed days since roasting and save a reminder.

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COFFEE QUESTIONS

コーヒーの質問をする

Tell us your question, the coffee or equipment you use, and what you would like to understand.