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Most guidelines suggest keeping coffee during pregnancy to about 1–2 small cups a day, staying under 200 mg of caffeine from all sources.

A standard coffee pod makes 1 cup (6–8 oz); larger sizes taste weaker—use two pods or a reusable pod for 10–12 oz or stronger brew.

For most healthy adults, up to about four 8-oz cups of brewed coffee a day (around 400 mg caffeine) is a typical safe limit.

A Keurig carafe yields about 3–5 cups; 22–30 ounces brewed divided by your cup size (6–8 ounces) sets the final count.

A Starbucks grande holds 16 fluid ounces, which equals 2 U.S. cups; iced versions are 16 ounces total volume including ice.

A Dunkin’ Box O’ Joe pours about ten small cups of hot coffee; plan for 8–12 cups depending on cup size and refills.

For a 60-cup percolator, plan about 480–520 grams of coffee (roughly 9–10 level cups of grounds) to yield sixty 5-ounce servings.

For 50 coffee cups, plan about 407 g of grounds for 5-oz cups or 488 g for 6-oz cups using the SCA 55 g/L brew ratio; adjust within a 1:15–1:18

For a 100-cup coffee urn, use about 6 to 6½ cups of medium-grind coffee (1.1–1.2 kg) with 6.25 gallons of water to brew roughly 100 servings.

A large McDonald’s hot coffee in the U.S. equals about 2.5 cups (20 fl oz); some locations pour 21 fl oz, which is roughly 2.6 cups.