Plum
A plum is a sweet, edible fruit produced by trees of the genus Prunus, containing a single hard stone.
Also known as: plum fruit, Prunus plum
How big is it?
5 cm across
Also 1.969 in
Defined fruit diameter · defined specimen
Typical recorded range: 3.5 cm to 6.5 cm.

A little perspective
About the same scale as Cleaner shrimp.
Cleaner shrimp: A cleaner shrimp is a marine crustacean that removes parasites and dead tissue from fish, forming mutualistic relationships.
Measurements, assumptions & sources +
Plum
A defined medium raw plum 5 cm across and 66 g in mass. Cultivar, ripeness and growing conditions vary; stem and leaves are excluded from the fruit diameter.
USDA FoodData Central — raw fruit portions
The marked defined fruit diameter is calibrated. Unmeasured illustration details are representative.
Cleaner shrimp
A defined 5.5 cm skunk cleaner shrimp measured from rostrum to tail fan. Long white antennae extend beyond and are excluded from body length.
Smithsonian Ocean — Cleaner shrimp
The marked defined body length is calibrated. Unmeasured illustration details are representative.
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Why this measurement?
Why we use 5 cm
For comparison, this page uses defined fruit diameter. This is labelled defined specimen: an explicit comparison model rather than a claim that every example has the same value. The recorded range is 3.5 cm to 6.5 cm.
A defined medium raw plum 5 cm across and 66 g in mass. Cultivar, ripeness and growing conditions vary; stem and leaves are excluded from the fruit diameter.
The marked horizontal span follows the named feature; transparent margins and unmeasured details do not alter it. How calibrated comparisons work →
Recorded properties
Plum dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 5 cm | 3.5 cm to 6.5 cm | defined specimen | |
| 66 g | 40 g to 100 g | defined specimen |
Around this scale
Go smaller. Go bigger.
These links use compatible length records, ordered around the selected value.
Nearest lower value · Everyday thingsStrawberry4 cmA strawberry is a sweet, red fruit produced by plants of the genus Fragaria, commonly eaten fresh or used in desserts.
Around the same scale · Living thingsButterfly5 cmThe butterfly is an insect with two pairs of scaled wings that undergoes metamorphosis from caterpillar to adult.
Nearest higher value · Everyday thingsPeach7 cmA peach is a juicy fruit with fuzzy skin and a central stone, grown on the tree Prunus persica.Sources and method
Want to check the number?
The source records and measurement method remain available for inspection.
- USDA FoodData Central — raw fruit portionsReference serving masses for raw fruits; dimensions remain explicit atlas specimen choices.
There’s always another scale





