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Body & Biology

Heartbeats in a lifetime

3,200,000,000

Measured in heartbeats · Last updated May 20, 2026

biologyhealth

Your heart beats roughly one hundred thousand times a day.

Scale
Large

Billions — hard to intuit without comparison.

Tiny <1KSmall 1K–1MMedium 1M–1BLarge 1B–1TMassive 1T+
Assumptions
  • 79-year lifespan
  • 70 bpm average
Count History

Count trajectory

3,200,000,000

unchanged baseline