---
title: "American alligator vs tiger — size, weight and speed compared"
description: "American alligator and tiger are near enough identical on weight. Compared on 4 measured properties, with the full range and a source for each."
url: https://atoneplace.net/vs/american-alligator-vs-tiger/
site: "At One Place"
---

# American alligator vs Tiger

**American alligator vs tiger: Near enough equal on weight**

American alligator and tiger are near enough identical on weight.

An American alligator and a tiger can be compared on 4 measures. The figures below are typical adult or full-size values, with the larger of the two in bold.

## Side by side

*Larger value in bold. Ranges reflect genuine variation, not uncertainty.*

|  | American alligator | Tiger |
| --- | --- | --- |
| Weight | 70–500 kg | 100–310 kg |
| Length | 2.6–4.6 m | 1.7–2.3 m |
| Typical lifespan | 35–70 yr | 8–26 yr |
| Bite force | 1,000–2,980 psi | 1,050 psi |

## What the numbers say

- American alligator and tiger are near enough identical on weight.
- American alligator is 1.7× tiger on length.
- American alligator is 4.5× tiger on typical lifespan.
- American alligator is 2× tiger on bite force.

*Weight compared.*

- American alligator: 70–500 kg
- Tiger: 100–310 kg

## American alligator

A broad-snouted crocodilian of the US Southeast, recovered from near-extinction to over a million animals.

## Tiger

The largest living cat, with Amur and Bengal tigers the heaviest subspecies.

> This is a comparison of published measurements, nothing more. It describes how two things differ on measures that have been recorded; it does not predict how they would fare against each other in any situation.

## Common questions

### Which is bigger, American alligator or tiger?

American alligator and tiger are near enough identical on weight. Both figures are typical values; the full range for each is in the table above.

### How do American alligators and tigers compare on length?

American alligator: 2.6–4.6 m. Tiger: 1.7–2.3 m. American alligator is 1.7× tiger on length.

### How do American alligators and tigers compare on typical lifespan?

American alligator: 35–70 yr. Tiger: 8–26 yr. American alligator is 4.5× tiger on typical lifespan.

## Related pages

- [Lion vs tiger](https://atoneplace.net/vs/lion-vs-tiger/)
- [Grizzly bear vs tiger](https://atoneplace.net/vs/grizzly-bear-vs-tiger/)
- [American alligator vs grizzly bear](https://atoneplace.net/vs/american-alligator-vs-grizzly-bear/)
- [Polar bear vs tiger](https://atoneplace.net/vs/polar-bear-vs-tiger/)
- [Gorilla vs tiger](https://atoneplace.net/vs/gorilla-vs-tiger/)
- [Giant panda vs tiger](https://atoneplace.net/vs/giant-panda-vs-tiger/)
- [American alligator vs lion](https://atoneplace.net/vs/american-alligator-vs-lion/)
- [Jaguar vs tiger](https://atoneplace.net/vs/jaguar-vs-tiger/)
- [Bottlenose dolphin vs tiger](https://atoneplace.net/vs/bottlenose-dolphin-vs-tiger/)
- [American alligator vs saltwater crocodile](https://atoneplace.net/vs/american-alligator-vs-saltwater-crocodile/)
- [Plains zebra vs tiger](https://atoneplace.net/vs/plains-zebra-vs-tiger/)
- [California sea lion vs tiger](https://atoneplace.net/vs/california-sea-lion-vs-tiger/)

## Sources

- Smithsonian National Museum of Natural History — Smithsonian Institution (https://naturalhistory.si.edu/)
- Wikidata — Wikimedia Foundation (https://www.wikidata.org/) [CC0 1.0]
- Typical range compiled from manufacturer specifications — At One Place (/about/)