Pasta Calculator — How Much Pasta Per Person
~30 seconds
Enter your headcount, cooked servings per person, and pasta shape. The calculator totals the cooked pasta needed and divides by the dry-to-cooked yield for that shape (long dry pasta about 2.1× by volume; fresh pasta barely expands) to find the dry pasta to cook. Yield is a typical estimate.
What this calculator determines
It estimates the dry pasta to cook for a crowd by totaling cooked servings and dividing by the dry-to-cooked volume yield for the pasta shape you choose.
Related calculators
Examples
20 people, 1 cup cooked, long
20 people, 1 cup cooked each, long dry pasta (2.1× yield)
Calculation
- Cooked total = 20 × 1 = 20 cups
- Dry = 20 ÷ 2.1 = 9.52 cups
9.52 cups dry pasta → 20 cups cooked
Assumptions & Conventions
- Pasta yields are planning references
- Long dry pasta uses ~2.1× volume yield, short dry ~2.0×, and fresh ~1.0×; these are typical culinary planning values, not exact universal yields.
- Ounce estimate is convention-derived
- The ounce figure uses the ~2 oz dry-per-cup culinary convention (dry cups × 2), not a directly measured weight.
- Servings per person is a default you can change
- The calculator starts with a default of 1 cooked cup per person, which you can adjust; it is not a universal recommendation.