Coffee Cupping Score Calculator

Sample code:

Label this cup or table record before copying, exporting, or comparing scores.

Cups evaluated:

Five cups is the common cupping table default; smaller sessions still scale support deductions transparently.

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/10

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{{ field.help }} Current support score: {{ supportScoreDisplay(field.key) }} / 10.

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{{ field.help }} Deduction: {{ defectDeductionDisplay(field.key) }}.

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Field	Value	Detail	Copy
{{ row.field }}	{{ row.value }}	{{ row.detail }}

Attribute	Score	Contribution	Status	Note	Copy
{{ row.label }}	{{ row.scoreDisplay }}	{{ row.contributionDisplay }}	{{ row.status }}	{{ row.note }}

Check	Status	Recommendation	Copy
{{ row.check }}	{{ row.status }}	{{ row.recommendation }}

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A coffee cupping score compresses a tasting table into a number that buyers, roasters, producers, educators, and quality teams can compare. That number is useful only when the tasting conditions, cup count, attribute marks, and defect notes travel with it. A score without context can hide whether a coffee was balanced, bright, heavy-bodied, inconsistent across cups, or pulled down by a specific taint or fault.

The legacy 100-point cupping format grew around a practical trade need. Coffee lots had to be evaluated under controlled preparation so that people in different roles could discuss quality with a shared scorecard. The score is not a flavor description by itself. Two coffees can both land near 84 points while one is clean and balanced and the other is more expressive but less uniform. The attribute rows and cup notes explain that difference.

Legacy-style scoring mixes direct quality marks with cup-based checks. Fragrance and aroma, flavor, aftertaste, acidity, body, balance, and overall impression are scored directly on a bounded quality scale. Uniformity, clean cup, and sweetness depend on how many cups in the set show a problem. Taints and faults are handled as separate deductions because an obvious negative note can outweigh otherwise strong quality marks.

Cup count changes the meaning of cup-based deductions. In a five-cup set, one affected cup removes 2 points from uniformity, clean cup, or sweetness. In a four-cup set, the same observation removes 2.5 points. In a ten-cup set, it removes 1 point. That scaling is why a score should not be copied away from the number of cups evaluated.

The current Specialty Coffee Association Coffee Value Assessment separates sample preparation, descriptive assessment, and affective assessment instead of relying on one legacy total. The 100-point arithmetic remains useful for education, historical scorecard work, internal calibration, roast trials, and lot comparisons that still use the older score language. It should not be presented as a current CVA record.

Legacy coffee cupping scorecard elements
Scorecard element	What it preserves	Common misread
Quality attributes	Positive sensory quality such as flavor clarity, acidity quality, tactile body, balance, and overall impression.	Treating intensity as quality, especially for acidity or body.
Cup-based support marks	Whether the cups in the evaluated set are uniform, clean, and sweet enough to support the total.	Forgetting that one affected cup carries more weight in a smaller table.
Defect deductions	Negative cup findings that need written notes as well as a numerical penalty.	Sharing the final score without the taint or fault reason.

How to Use This Tool:

Score one sample or table record at a time. Keep the sample code, cup count, quality marks, affected cups, and defect counts tied to the same cupping session.

Enter a Sample code that matches the blind code, lot ID, roast trial, or table note you will use outside the calculator.
Set Cups evaluated. Five cups is the common table default, but the calculator accepts 1 to 10 cups and scales support deductions from that number.
Enter Fragrance / aroma, Flavor, Aftertaste, Acidity, Body, Balance, and Overall. These direct quality marks are kept within 6.00 to 10.00 and rounded to quarter points.
Count affected cups for Non-uniform cups, Cups with clean-cup issue, and Cups lacking sweetness. The help text beside each field shows the current support score after the deduction.
Enter Taint cups and Fault cups only when those defects were found. The visible deduction updates as the cup count changes.
Use Score Ledger to audit the arithmetic, Attribute Breakdown to find weak rows, Cupping Score Profile to compare the score shape, and Cupping Guidance to review threshold and calibration cautions.
Copy or download the record only after the tasting notes and defect descriptions are stored with it. The final score is much less useful when the notes are missing.

Interpreting Results:

Final score is the positive attribute subtotal after defect deductions. The score band, total deduction, and weakest-attribute prompt give a fast read, but the tables explain why the total landed there.

A band label is orientation, not a buying decision. A coffee at 85.25 and one at 83.75 may serve different needs if the lower-scoring lot has the profile, availability, or consistency a buyer wants. The Attribute Breakdown and cup notes are more useful than the total when two samples are close.

Coffee cupping score bands used by this calculator
Band	Inclusive lower bound	How to read it
Outstanding	90.00	Rare top-end score; preserve the setup evidence and cup notes.
Excellent	85.00	Strong legacy specialty score; compare against lot goals and panel agreement.
Very good	80.00	At or above the usual legacy 80-point specialty threshold used here.
Below specialty threshold	0.00	Review defects, roast, sample preparation, water, and calibration before treating the result as final.

Cupping Score Profile helps separate a balanced moderate score from a lopsided score with one weak attribute. Cupping Guidance flags the 80-point threshold, weakest row, defect impact, and calibration reminder. A high score does not prove market value by itself; verify the sample code, cup count, notes, and defect counts before sharing the result.

Technical Details:

Legacy cupping arithmetic is additive until explicit defect deductions are applied. Seven quality attributes contribute their normalized score directly. Uniformity, clean cup, and sweetness start at 10 points each and lose an equal share of 10 for every affected cup in the evaluated set. Taints and faults are then subtracted after the positive subtotal is built.

Normalization protects the scorecard from impossible inputs. Direct quality marks are clamped to 6.00 through 10.00 and rounded to the nearest 0.25 point. Cup-count fields are rounded to whole cups, cannot fall below zero, and cannot exceed the number of cups evaluated. The evaluated cup count itself is rounded to a whole number from 1 through 10.

Formula Core:

The support step is the amount removed from uniformity, clean cup, or sweetness for each affected cup.

\begin{array}{lcl} S & = & \frac{10}{C} \\ U & = & \max (0, 10 - A \times S) \\ P & = & Q + U + N \\ D & = & 2 \times T + 4 \times F \\ Final & = & \max (0, P - D) \end{array}

Coffee cupping formula symbols
Symbol	Meaning	Boundary rule
C	Cups evaluated.	Rounded whole number from 1 to 10.
S	Support point loss per affected cup.	10 divided by cups evaluated.
A	Affected cups for one support attribute.	Rounded whole number from 0 through cups evaluated.
U, N	Support scores such as uniformity, clean cup, and sweetness.	Each starts at 10.00 and cannot fall below 0.00.
Q	Sum of the seven direct quality marks.	Each mark is normalized to 6.00 through 10.00 in quarter-point steps.
T, F	Taint cups and fault cups.	Each count is capped at cups evaluated.

With five cups evaluated, the support step is 2.00 points. If one cup has a clean-cup issue, the clean cup score becomes 8.00. If the positive subtotal is 84.75 and one taint cup is recorded, the defect deduction is 2.00 points and the final score becomes 82.75.

Coffee cupping scoring groups and rules
Group	Fields	Score rule
Quality attributes	Fragrance / aroma, Flavor, Aftertaste, Acidity, Body, Balance, Overall.	Each contributes its normalized 6.00 to 10.00 score directly.
Support attributes	Uniformity, Clean cup, Sweetness.	Each starts at 10.00 and loses 10 divided by cup count for each affected cup.
Defects	Taint cups, Fault cups.	Taints subtract 2 points per affected cup; faults subtract 4 points per affected cup.
Score bands	Outstanding, Excellent, Very good, Below specialty threshold.	Boundaries use inclusive lower limits at 90.00, 85.00, 80.00, and 0.00.

The positive subtotal includes support scores after their cup-based losses. The separate support-deduction value is useful for audit, but it is not subtracted a second time from the final score. Only taint and fault deductions are removed after the subtotal is built.

Accuracy, Privacy, and Scope Notes:

The arithmetic is deterministic, but the inputs are sensory judgments. Roast age, dose, grind, water, bowl volume, brew time, table temperature, tasting order, fatigue, and panel calibration can change the score before any calculation happens.

The record is for transparent internal comparison, education, and scorecard auditing; it is not a certification system.
The score should be labeled as legacy-style when it may be compared with current SCA Coffee Value Assessment records.
Calculations and exports are generated from the visible scorecard in the browser. Treat sample codes, buying notes, downloaded files, chart images, and screenshots as records that may reveal confidential lot or supplier information.

Worked Examples:

Clean five-cup offer sample

A five-cup washed coffee with no affected support cups, no taints, and no faults keeps uniformity, clean cup, and sweetness at 10.00 each. If the seven direct quality marks average around 8.25, the attribute subtotal becomes the final score because no defect deduction is active.

One support issue near a band edge

In a five-cup table, one non-uniform cup removes 2.00 points from uniformity. A sample that would have scored 85.25 before that support issue falls to 83.25 after the deduction, moving from Excellent to Very good. The band changed because one cup did not match the rest of the set.

Strong flavor with a fault

A coffee can show high aroma and flavor marks but still miss the 80-point threshold if faults are recorded. Two fault cups subtract 8.00 points after the positive subtotal, so the fault note should stay attached whenever the scorecard is shared.

FAQ:

Is this an official current SCA Coffee Value Assessment score?

No. It models legacy-style 100-point cupping arithmetic. Current SCA Coffee Value Assessment work separates preparation, descriptive assessment, and affective assessment into newer standards.

Why does cup count change support deductions?

Uniformity, clean cup, and sweetness are cup-based support marks. One affected cup removes 2.00 points in a five-cup set, 2.50 points in a four-cup set, and 1.00 point in a ten-cup set.

Why did my quality score change after entry?

Direct quality marks are normalized to the 6.00 through 10.00 range and rounded to the nearest quarter point. Cup counts are rounded to whole cups and capped by the number of cups evaluated.

Can two coffees with the same final score taste very different?

Yes. One coffee may be balanced with modest rows, while another may have high flavor and a weak clean-cup score. Compare the Attribute Breakdown, defects, and notes before treating equal totals as equal quality.

Should defects be included even when they lower a promising score?

Yes. Defect counts explain why the total changed and make the record auditable later. Add a written description of each taint or fault outside the numeric fields whenever possible.

Glossary:

Quality attribute: A directly scored sensory quality such as aroma, flavor, acidity, body, balance, or overall impression.
Support attribute: A cup-based score for uniformity, clean cup, or sweetness that starts at 10 and is reduced by affected cup count.
Taint: A negative note modeled here as a 2-point deduction for each affected cup.
Fault: A stronger defect modeled here as a 4-point deduction for each affected cup.
Score band: The final-score label based on the 90, 85, and 80 point lower bounds.
CVA: Coffee Value Assessment, the newer SCA framework that separates preparation, descriptive, and affective assessment work.

References:

Coffee Value Assessment, Specialty Coffee Association.
The SCA Officially Adopts CVA Descriptive and Affective Assessments as New Cupping Standards, Specialty Coffee Association, November 4, 2024.
SCA Coffee Standards, Specialty Coffee Association.
SCAA Protocols: Cupping Specialty Coffee, Specialty Coffee Association of America, December 16, 2015.
Specialty Coffee Association Cupping Form, Specialty Coffee Association.

Coffee Cupping Score Calculator

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Current result

How to Use This Tool:

Interpreting Results:

Technical Details:

Formula Core:

Accuracy, Privacy, and Scope Notes:

Worked Examples:

Clean five-cup offer sample

One support issue near a band edge

Strong flavor with a fault

FAQ:

Glossary:

References:

Coffee Cupping Score Calculator

{{ summaryHeading }}

Current result

Introduction:

How to Use This Tool:

Interpreting Results:

Technical Details:

Formula Core:

Accuracy, Privacy, and Scope Notes:

Worked Examples:

Clean five-cup offer sample

One support issue near a band edge

Strong flavor with a fault

FAQ:

Glossary:

References: