Pasta Database

Orzo vs Semi di melone

Orzo is grain-shaped pasta the size of a large rice grain. Semi di melone is flat oval seeds, like a melon seed.

Side by side, to scale

10 mm

Orzo: 6 to 8 mm by 2 to 3 mm

Semi di melone: 4 to 6 mm by 2 to 3 mm

Footprints from the length and width in each record, one scale for both. See every shape on the chart.

FamilyPastinaPastina
RegionAll of ItalyAll of Italy
SectionGrain-shaped pasta the size of a large rice grainFlat oval seeds, like a melon seed
Length6 to 8 mm4 to 6 mm
Width or diameter2 to 3 mm2 to 3 mm
SurfaceSmoothSmooth
HollowNoNo
DoughSemolina and waterSemolina and water
Cook time7 to 10 min6 to 8 min
Brands with a pageDe Cecco, Rummo, Garofalo, BarillaLa Molisana
Catalogue numbersDe Cecco no. 74, Rummo no. 27, Garofalo no. 26La Molisana no. 61
Cook time across brands5 to 11 min7 min
Brand dimensionsRummo: 10.65 mm long, 2.6 mm acrossnot measured
Energy, dry, per 100 g371 kcal (dry semolina pasta)371 kcal (dry semolina pasta)
Protein, dry, per 100 g13.0 g13.0 g
Products catalogued62not measured
Pairs withIn brodo, Minestrone, Pasta salad, Lemon and butter, PomodoroIn brodo, Minestrone

Orzo

Small grains cook in broth or absorb a light dressing. Soups, a lemon and herb salad, a baked dish with tomato and feta, or cooked like risotto with stock and parmesan.

Semi di melone

Broth and soup only.

Can you swap them?

Orzo for semi di melone: yes, a rounder grain.

Both take In brodo, Minestrone.

Only orzo: Pasta salad, Lemon and butter, Pomodoro.

Sources

  • Dimensions, surface, dough, and cook time: each shape page names the brand page, spec sheet, or measured box behind every figure.
  • Brands, catalogue numbers, brand cook times, and brand dimensions: the brand product pages linked on each shape page, read on 2026-08-25.
  • Energy and protein: USDA FoodData Central, per 100 g of the dough, public domain.
  • Products catalogued: Open Food Facts, Open Database License, read on 2026-08-25. A crowd database: a count is a floor.