---
title: "American alligator vs great white shark — size, speed and bite"
description: "American alligator and great white shark compared on mass, length, speed, bite force and lifespan — every measure side by side, with why the numbers cannot settle an"
url: https://atoneplace.net/animal-vs/american-alligator-vs-great-white-shark/
site: "At One Place"
---

# American alligator vs great white shark

**American alligator vs great white shark: great white shark leads on 4 of 4 measures**

Measured comparison — not a prediction

A broad-snouted crocodilian of the US Southeast, recovered from near-extinction to over a million animals. The largest predatory fish, and the species responsible for most unprovoked shark bites on humans. On the measurements below, great white shark leads on more of them — but they do not all point the same way, and the ones that disagree are the interesting part.

## The measurements

|  | American alligator | great white shark |
| --- | --- | --- |
| Mass | 70–500 kg | 520–2,000 kg |
| Length | 2.6–4.6 m | 3.4–6.1 m |
| Top speed | — | 25–40 km/h |
| Bite force | 1,000–2,980 psi | 4,000 psi |
| Lifespan | 35–70 yr | 50–73 yr |

## Where each one leads

- Mass: great white shark is 4.3× heavier.
- Length: great white shark is 1.4× longer.
- Bite force: great white shark is 1.9× a stronger bite.
- Lifespan: great white shark is 1.4× a longer life.

## What this does and does not tell you

These are measured averages with real ranges behind them, and every figure links to its own page. What they cannot do is settle an encounter. Outcomes between animals turn on circumstance — who initiates, whether either is hungry, defending young, injured or cornered, and what the terrain favours. Size and bite force are not decisive on their own, and most of these pairs never meet in the wild in any case, because their ranges do not overlap.

> Every figure here is an average with a substantial spread. Individual animals vary enormously — a large individual of the smaller species routinely exceeds a small individual of the larger one.

## Common questions

### Is a American alligator bigger than a great white shark?

great white shark is heavier — 520–2,000 kg against 70–500 kg.

### Who would win, a American alligator or a great white shark?

That is not something measurements can settle. The comparison above shows which animal leads on each measure, but an actual encounter depends on circumstance, motivation, health and terrain — and most pairs like this never meet in the wild.

## Related pages

- [How much does a American alligator weigh?](https://atoneplace.net/weight/american-alligator/)
- [How much does a great white shark weigh?](https://atoneplace.net/weight/great-white-shark/)
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## Sources

- Smithsonian National Museum of Natural History — Smithsonian Institution (https://naturalhistory.si.edu/)
- National Oceanic and Atmospheric Administration — NOAA (https://www.noaa.gov/) [Public domain (US Government)]
- Typical range compiled from manufacturer specifications — At One Place (/about/)