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SCA Golden Cup Extraction Standards
Coffee Per Cup Calculator
Calculate the exact coffee grounds in grams, level scoops, and tablespoons for 1 to 16 cups across 5 oz drip pots, 8 oz mugs, and travel tumblers, or reverse-calculate how many cups your remaining beans can brew.
Coffee Dose
28.4grams
≈ 1.00 dry ozStandard Scoops
2.8scoops
≈ 5.7 level tbspTotal Water
474mL
≈ 16.0 fl oz (1:16.7)Est. Caffeine
~341mg
~170 mg / cupCoffee Per Cup Wizard
Select your exact cup count, cup size definition, and brew method to get balanced Golden Cup measurements.
Number of Cups to Brew
2
1 Cup4 Cups8 Cups12 Cups (Drip Carafe)16 Cups
A typical ceramic coffee mug filled comfortably with room for cream.
Brew Strength (Water-to-Coffee Ratio)1:16.7
Measuring FormGround coffee packs tightly (~10g per scoop).
Exact Coffee Dose for 2 Cups (474 mL Water):
Standard Scoops2 level scoops + 1 tbsp + 2 tsp(~2.8 level 2-tbsp scoops)
Level Tablespoons5.7 tbsp(~17 teaspoons)
Digital Scale Weight28.4 g≈ 1.00 dry oz
Pour 474 mL (16.0 fl oz) of water at 195°F–205°F (90°C–96°C) with a Medium (Sand-like) grind.
Brew Carafe & Yield Visualizer
Live Liquid Volume & Dose SimulationTotal Cups Visualized:2 × 8 oz Standard Mug
☕☕
Coffee Dose28.4 g
Standard Scoops2.8
Total Water474 mL
Est. Caffeine~341 mg
Brew Ratio: 1:16.7 • Grind: Medium (Sand-like)
SCA Golden Ratio Rule: 60g per 1 Liter
The universal standard for drip coffee is 60 grams of coffee grounds per 1,000 mL of water (1:16.7). For a 4-cup coffee maker pot (600 mL), use exactly 36 grams (3.5 scoops).
Master Coffee Per Cup Reference Table (1 to 12 Cups)
Standard 8 oz mug vs 5 oz electric drip coffee maker comparison at Golden Cup 1:16.7 ratio.
| Cups | 5 oz Drip Pot (Grams / Scoops) | 5 oz Water (mL / oz) | 8 oz Standard Mug (Grams / Scoops) | 8 oz Water (mL / oz) | Est. Total Caffeine |
|---|---|---|---|---|---|
| 1 Cup | 8.9g (0.9 scp) | 148 mL (5 oz) | 14.2g (1.4 scp) | 237 mL (8 oz) | ~170 mg |
| 2 Cups | 17.7g (1.8 scp) | 296 mL (10 oz) | 28.4g (2.8 scp) | 474 mL (16 oz) | ~341 mg |
| 4 Cups | 35.4g (3.5 scp) | 592 mL (20 oz) | 56.8g (5.7 scp) | 948 mL (32 oz) | ~681 mg |
| 6 Cups | 53.2g (5.3 scp) | 888 mL (30 oz) | 85.1g (8.5 scp) | 1422 mL (48 oz) | ~1022 mg |
| 8 Cups | 70.9g (7.1 scp) | 1184 mL (40 oz) | 113.5g (11.4 scp) | 1896 mL (64 oz) | ~1362 mg |
| 10 Cups | 88.6g (8.9 scp) | 1480 mL (50 oz) | 141.9g (14.2 scp) | 2370 mL (80 oz) | ~1703 mg |
| 12 Cups | 106.3g (10.6 scp) | 1776 mL (60 oz) | 170.3g (17.0 scp) | 2844 mL (96 oz) | ~2044 mg |
The Anatomy of a Coffee Cup: Why Drip Makers Use 5 Ounces
The single greatest source of bitter or watery coffee in American households stems from a fundamental misunderstanding of the word “Cup”. While a standard culinary liquid measuring cup in the United States equals 8 fluid ounces (237 mL), electric drip coffee maker manufacturers (Mr. Coffee, Cuisinart, Hamilton Beach, Bunn, Ninja) define a cup as 5 fluid ounces (148 mL) or 6 fluid ounces (177 mL).
Drip Maker Pot Cup
5 fl oz (148 mL)
Based on historic European demitasse porcelain cups. A 12-cup pot holds exactly 60 fl oz (1,775 mL) of water.
Standard Kitchen Mug
8 fl oz (237 mL)
The standard US liquid cup measure and typical ceramic breakfast mug with room for milk or creamer.
Commute Travel Tumbler
12 to 16 fl oz
Insulated commute tumblers (Yeti, Hydro Flask, Stanley) equal 2.5 to 3.2 drip coffee maker “cups”.
The Carafe Rule: When your recipe calls for “12 cups of coffee,” filling a 12-cup carafe requires 106 grams (~10.5 scoops) of coffee for 60 oz of water. If you used 12 full 8-ounce mugs (96 oz of water), you would need 170 grams (17 scoops)!
Method-by-Method Brew Ratio, Grind Size & Water Temp Guide
Every brewing device extracts coffee compounds differently based on contact time and grind surface area. Here are the authoritative standards:
| Brew Method | Golden Ratio | Grind Texture | Water Temp | Grams / 8 oz Mug |
|---|---|---|---|---|
Automatic Drip Coffee Maker Electric drip machines (Mr. Coffee, Breville, Cuisinart, Moccamaster) | 1:16.7 | Medium (Sand-like) | 195°F–205°F (90°C–96°C) | 14.2 g |
Pour Over (V60 / Kalita / Chemex) Manual cone dripper highlighting nuanced floral, fruity, and citrus notes | 1:16 | Medium-Fine (Sea salt) | 200°F–205°F (93°C–96°C) | 14.8 g |
French Press (Immersion Plunger) Full immersion brewing retaining natural aromatic coffee oils and rich body | 1:15 | Coarse (Kosher salt) | 200°F (93°C) | 15.8 g |
AeroPress (Inverted / Standard) Piston air pressure extraction creating rich, smooth, and clean coffee | 1:14 | Medium-Fine | 185°F–195°F (85°C–90°C) | 16.9 g |
Cold Brew Concentrate Long slow cold extraction yielding a sweet, low-acidity coffee syrup | 1:6 | Extra Coarse | Room temp or refrigerated (16–24 hr steep) | 39.5 g |
Moka Pot (Stovetop Espresso) Steam-driven pressure brewing for thick, syrupy, concentrated coffee | 1:10 | Fine (Table salt) | Pre-heated water into boiler | 23.7 g |
Espresso Machine (Double Shot) High-pressure 9-bar extraction producing thick crema and intense flavor | 1:2 | Extra Fine (Powdered sugar) | 198°F–202°F (92°C–94°C) @ 9 bar | 118.5 g |
Coffee Bag Yield Guide: How Many Cups in a 12 oz or 1 lb Bag?
When buying specialty coffee beans, knowing how many cups you will get from a bag helps you manage bean freshness and budget your household coffee consumption:
| Bag Size | Net Weight | 8 oz Mugs (~14.5g) | 5 oz Drip Cups (~9g) | Days of Coffee (2 cups/day) |
|---|---|---|---|---|
| Standard Retail Bag (12 oz / 340g) | 340g (12 oz) | 23 Mugs | 38 Cups | ~11 Days |
| Full One Pound Bag (16 oz / 454g) | 454g (16 oz) | 31 Mugs | 51 Cups | ~15 Days |
| Bulk Roaster Bag (2 lb / 907g) | 907g (32 oz) | 63 Mugs | 102 Cups | ~31 Days |
| European Kilogram Bag (2.2 lb / 1000g) | 1000g (35.27 oz) | 70 Mugs | 112 Cups | ~35 Days |
Freshly roasted whole bean coffee reaches peak flavor between 7 and 30 days off roast. If you drink 2 cups per day, a standard 12 oz bag lasts 11 to 12 days, ensuring every cup is brewed within optimal peak freshness.
Frequently Asked Questions About Coffee Per Cup
How much coffee should I use for one standard 8 oz cup?▼
For one standard 8 fl oz (237 mL) drinking mug, use approximately 14.5 to 15 grams of ground coffee, which equals 3 level tablespoons or 1.5 standard coffee scoops. This adheres to the Specialty Coffee Association (SCA) Golden Cup ratio of 1:16.7. If you prefer a stronger cup, increase to 16 grams (about 3.2 tablespoons).
How much coffee do I need for a 4-cup coffee maker?▼
A "4-cup" drip coffee maker carafe holds 20 fluid ounces (592 mL) of water, because machine manufacturers define one cup as 5 fluid ounces. For 4 cups, use approximately 35.5 grams of coffee grounds, which equals 3.5 level coffee scoops or 7 level tablespoons. If you prefer a lighter brew, 3 scoops (30g) is sufficient.
How much coffee for a full 12-cup coffee maker pot?▼
A full 12-cup electric coffee pot carafe holds 60 fluid ounces (1,775 mL) of water. For a balanced Golden Cup brew, use 106 grams (3.74 ounces) of ground coffee. That equals approximately 10.5 level coffee scoops, or 21 level tablespoons. For a bolder morning cup, use 11 to 12 scoops (~118 grams).
Why do coffee makers say 12 cups when it only fills 7 or 8 mugs?▼
Electric drip coffee makers (Mr. Coffee, Cuisinart, Hamilton Beach, Bunn) define a "cup" as 5 fluid ounces (148 mL) or 6 fluid ounces (177 mL), inspired by classic European ceramic demitasse coffee cups. However, modern American household coffee mugs hold 8 to 12 fluid ounces. Therefore, a "12-cup" carafe (60 oz) actually yields only 7.5 standard 8-ounce mugs or 5 large 12-ounce travel mugs.
What is the Golden Ratio for brewing coffee per cup?▼
The Specialty Coffee Association (SCA) defines the Golden Cup ratio as 1:16 to 1:18, meaning 1 gram of coffee for every 16 to 18 milliliters (grams) of water. The universal sweet spot is 1:16.7 (60 grams of coffee per 1 Liter of water). At this ratio, you achieve optimal extraction yield (18% to 22%) without astringent bitterness or hollow sourness.
Does whole bean coffee weigh the same as ground coffee per scoop?▼
No! While a gram of whole beans weighs the same as a gram of ground coffee on a digital scale, a volume scoop of whole beans weighs 25% to 30% less than a scoop of ground coffee. Whole beans have irregular curved shapes that trap substantial empty airspace (porosity) inside the scoop (~7g per scoop), whereas ground coffee particles pack densely together (~10g per scoop).
How many cups of coffee can I get out of a 12 oz bag of beans?▼
A standard 12 oz (340 gram) bag of coffee yields approximately 22 to 24 standard 8-ounce mugs (using 14.5g per cup at a 1:16.7 ratio). If brewing 5 oz drip coffee maker cups, a 12 oz bag yields roughly 37 to 38 cups. At an average bag cost of $15, that works out to just $0.40 to $0.65 per cup.
How much caffeine is in a cup of coffee based on the grounds used?▼
As a general rule, Arabica coffee grounds contain approximately 1.0% to 1.3% caffeine by dry weight, of which 85% to 95% dissolves into your brewed cup. A single 8 oz cup brewed with 15 grams of medium-roast grounds delivers approximately 140 to 170 mg of caffeine. Robusta beans contain nearly twice as much caffeine (~2.2% to 2.7% by weight).
Measurement Converter
Convert scoops, tablespoons, grams, and ounces with density calibration.
Brew Ratio Calculator
Master SCA extraction yield percentages and control charts.
Caffeine Tracker
Track caffeine half-life, sleep disruption, and daily intake limits.
Editorial review: Researched and reviewed by the Coffee Nutrify editorial team. Data sourced from publicly available references including USDA FoodData Central, SCA brewing standards, and FDA consumer guidance where applicable.
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