Body · #840 biggest of 1,014
How big is the human heart?
12 cm
The human heart measures 12 cm. That's about 5 coins lined up end to end.
By the numbers
- That's 12 cm, or about 4.72 inches.
- You'd need about 14 of them stacked up to reach the height of an average adult.
- Roughly 5 coins could line up across it.
- Out of all 1,014 things in this collection, it ranks #840 by size.
Size comparison
How human heart stacks up against things of a similar size. Tap any bar to explore it.
goldfinch
13.0 cm
chickadee
13.0 cm
earthworm
12.0 cm
grapefruit
12.0 cm
human heart
12.0 cm
kidney
12.0 cm
computer mouse
12.0 cm
kazoo
12.0 cm
coffee mug
12.0 cm
Bars use a logarithmic scale so everything fits — real differences are even more extreme!
Fun fact
You could line up roughly 14 of them along the height of an average person.
More in Body
Tip: swipe, use the arrow keys, or scroll past the edge to jump between sizes.