How many litres of blood does the heart pump per day?

Science hard Data from 2023

Guess before you scroll — the answer is below

Answer in litres. Shorthand like 9m or 1.2bn works.

The answer

7,500 litres

Roughly 7.5K.

The heart pumps about 7,500 litres of blood a day — enough to fill a small swimming pool every fortnight. It does this with a muscle the size of a fist, without stopping, for a lifetime.

Where this number comes from

Source British Heart Foundation
Figure refers to 2023
Last checked
Unit litres

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