How much caffeine is in your cup?

0 mg / serving

0.00 mg/ml

Medium

Bean & Blend

Coffee dose (g)

Water amount (g)

Beverage output (ml) Leave to auto-estimate

Servings

Blend composition

Total blend: 100% balanced

Roast & Grind

Roast level

Grind size

Water temperature (°C)

Brew Method

Brewing method

Extraction efficiency (%)

Extraction yield (%)

TDS (%)

Environmental Variables

Let environment adjust extraction efficiency

Altitude (m)

Water hardness (ppm)

Water TDS (ppm)

Water pH

Results

This calculator estimates caffeine based on scientific research and brewing models. Exact caffeine concentration can only be determined by laboratory analysis (HPLC or GC-MS).

Method Comparison

Blend Composition

Equivalent To

Recipe Manager

Recipe name

Name	Method	Result (mg)

Calculation History

Time	Method	Result (mg)