---
title: "Domestic cat vs king cobra — size, weight and speed compared"
description: "King cobra is somewhat greater than domestic cat on weight — about 1.3×. Compared on 3 measured properties, with the full range and a source for each."
url: https://atoneplace.net/vs/domestic-cat-vs-king-cobra/
site: "At One Place"
---

# Domestic cat vs King cobra

**Domestic cat vs king cobra: King cobra is larger on weight**

King cobra is somewhat greater than domestic cat on weight — about 1.3×.

A domestic cat and a king cobra can be compared on 3 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.*

|  | Domestic cat | King cobra |
| --- | --- | --- |
| Weight | 3.6–6.8 kg | 4–12.7 kg |
| Length | 0.36–0.55 m | 3–5.85 m |
| Typical lifespan | 12–20 yr | 17–22 yr |

## What the numbers say

- King cobra is somewhat greater than domestic cat on weight — about 1.3×.
- King cobra is 8× domestic cat on length.
- King cobra is somewhat greater than domestic cat on typical lifespan — about 1.3×.

*Weight compared.*

- King cobra: 4–12.7 kg
- Domestic cat: 3.6–6.8 kg

## Domestic cat

The domesticated cat, kept worldwide and still an efficient small predator.

## King cobra

The longest venomous snake, delivering enough neurotoxin in one bite to kill an elephant.

> 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, domestic cat or king cobra?

King cobra is somewhat greater than domestic cat on weight — about 1.3×. Both figures are typical values; the full range for each is in the table above.

### How do domestic cats and king cobras compare on length?

Domestic cat: 0.36–0.55 m. King cobra: 3–5.85 m. King cobra is 8× domestic cat on length.

### How do domestic cats and king cobras compare on typical lifespan?

Domestic cat: 12–20 yr. King cobra: 17–22 yr. King cobra is somewhat greater than domestic cat on typical lifespan — about 1.3×.

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## Sources

- Typical range compiled from manufacturer specifications — At One Place (/about/)
- Smithsonian National Museum of Natural History — Smithsonian Institution (https://naturalhistory.si.edu/)