Coffee Extraction Calculator: Yield, TDS & Brew Ratio

☕ Coffee Extraction Calculator

Calculate extraction yield %, TDS, brew ratio, and quality rating for any brew method

Quick Presets
🧮 Calculator
Extraction Yield
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percent (%)
TDS
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total dissolved solids
Brew Ratio
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coffee : water
Quality Rating
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📊 Ideal Extraction at a Glance
18–22%
Ideal Yield Range
8–12%
Espresso TDS
1.2–1.5%
Filter Coffee TDS
1:15
Golden Brew Ratio
📋 Ideal Extraction Ranges by Brew Method
Brew MethodExtraction YieldTDS %Brew Ratio
Espresso18–22%8–12%1:2 – 1:2.5
Pour Over / V6018–22%1.2–1.5%1:15 – 1:17
Chemex18–22%1.2–1.4%1:15 – 1:17
French Press18–22%1.0–1.3%1:12 – 1:15
AeroPress18–22%1.2–1.8%1:10 – 1:15
Drip / Filter18–22%1.15–1.45%1:15 – 1:18
Cold Brew (conc.)18–22%1.3–1.5%1:8 – 1:10
Moka Pot18–22%4–8%1:5 – 1:7
📐 TDS Guide by Method
TDS RangeBrew StyleFlavor ProfileAdjust By
Below 1.0%Filter / DripWeak, wateryUse more coffee or less water
1.15–1.45%Filter / DripBalanced, idealNo change needed
Above 1.5%Filter / DripStrong, intenseUse less coffee or more water
Below 8%EspressoThin, under-extractedGrind finer, extend shot
8–12%EspressoRich, balancedNo change needed
Above 12%EspressoBitter, over-extractedGrind coarser, reduce dose
Brew Ratio Guide
Ratio (Coffee:Water)Best ForStrengthNotes
1:2 – 1:2.5EspressoVery strongStandard double shot
1:8 – 1:10Moka / Cold Brew conc.StrongOften diluted before serving
1:12 – 1:14French Press, AeroPressMedium-strongImmersion methods
1:15 – 1:17Pour Over, Drip, ChemexBalancedSCA golden ratio range
1:18 – 1:20Light / Mild preferenceLightMay under-extract if too high
💡 Extraction Yield Tip: Extraction Yield % = (Beverage Weight × TDS%) ÷ Coffee Dose × 100. The SCA (Specialty Coffee Association) defines the ideal range as 18–22%. Below 18% tastes sour and underdeveloped; above 22% tastes bitter and astringent. A refractometer gives the most accurate TDS reading.
💡 Dialing In Tip: If extraction yield is too low, grind finer, increase water temperature (aim for 195–205°F / 91–96°C), or extend brew time. If too high, grind coarser, lower temperature, or reduce brew time. Changing one variable at a time makes it easier to identify what is affecting flavor.

You see a drink from roasted and ground coffee beans, dark, bitter and with only so much bitterness that it keeps everything interesting. People really like the caffeine kick. Even so, if you want to avoid the stimulant, choose decaf.

There are many coffee replacements if you simply want to skip the real coffee

Coffee Basics: Beans, Cups and Brewing

None considers coffee a meal. It is a drink, drinkable as water, although it goes well with foods. Most folks take a cup once in the morning, because that caffeine hits hard when you want to shake off sleep.

Here it becomes weird: none agrees on what a “cup” really is. The industry calls it six ounces, but be honest, most folks order at least sixteen. Coffee makers?

They say that it is around five ounces. This play with definitions helps them a lot. A sixty-ounce water tank suddenly becomes “ten cups” instead of the real seven and half with normal eight-ounce cups.

In a coffee shop small usually means eight ounces, medium around twelve, and big is sixteen, although variations exist. Want to know how much coffee feeds a crowd? A gallon gives around sixteen eight-ounce cups, good for big groups.

Add a scoop to the brew seems to give more punch, but it does not work like this. You simply get more taste from what already is, without adding the caffeine. Ultimately you have something more bitter.

That is it.

Turkish coffee deserves attention, because it has such a focused brewing style, that it really strengthens both caffeine and taste. Coffee lovers occasionally mix a spoon of hazelnut or chocolate powder to deepen it. Also exists the liqueur angle; Kahlúa and alike shine with ice, milk, cream or almond milk, making them good after-dinner sips.

Changing from a traditional stovetop moka pot to an electric one can really squeeze more out of your coffee and improve taste. Pourover wins big popularity. The Speciality Coffee Association of Europe advise sixty grams of coffee for a liter of water.

For a two-hundred-millilitre cup that makes around twelve grams of grounds.

Good coffee starts with good beans and water that tastes right, plus a good brewing method. Better beans give better coffee, if nothing fails. Used grounds do not necessarily have to be dumped.

They bake well in bread, especially with rye, oats and sourdough starter. Some beans roasted at City+ level hit you with strong blueberry notes. You also can add hints of mint, cocoa and cinnamon to smooth out whatever is inyour cup.

Coffee Extraction Calculator: Yield, TDS & Brew Ratio

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