A typical prune (a dried plum) is about 2–3 cm long and 1.5–2.5 cm wide, roughly the size of a large grape or a small plum half.

Quick Scoop: How big is a prune?

  • Most common prunes come from plums that are about 1–3 inches long before drying, and the dried prune ends up closer to the lower end of that range.
  • Commercial prunes are graded by how many fit in a pound: big ones are about 40–50 per pound, while small ones can be 100–120 per pound, which corresponds to roughly 2–3 cm each.
  • The very large “jumbo” or “President” prunes are so big that only 10–20 pieces make up a pound, so each one is noticeably larger than the usual snack‑sized prune.

In everyday terms: if you imagine something between a big olive and a small apricot half, that’s about how big a single prune usually is.