---
title: "Colosseum vs RMS Titanic — size, weight and speed compared"
description: "RMS Titanic is somewhat greater than Colosseum on height — about 1.1×. Compared on 3 measured properties, with the full range and a source for each."
url: https://atoneplace.net/vs/colosseum-vs-titanic/
site: "At One Place"
---

# Colosseum vs RMS Titanic

**Colosseum vs RMS Titanic: RMS Titanic is larger on height**

RMS Titanic is somewhat greater than Colosseum on height — about 1.1×.

Colosseum and RMS Titanic 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.*

|  | Colosseum | RMS Titanic |
| --- | --- | --- |
| Height | 48 m | 53.3 m |
| Length | 189 m | 269.1 m |
| Width | 156 m | 28.2 m |

## What the numbers say

- RMS Titanic is somewhat greater than Colosseum on height — about 1.1×.
- RMS Titanic is somewhat greater than Colosseum on length — about 1.4×.
- Colosseum is 5.5× RMS Titanic on width.

*Height compared.*

- RMS Titanic: 53.3 m
- Colosseum: 48 m

## Colosseum

The largest amphitheatre ever built, completed in Rome in AD 80.

## RMS Titanic

A British ocean liner that sank on her maiden voyage in April 1912 with the loss of about 1,500 lives.

> 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, Colosseum or RMS Titanic?

RMS Titanic is somewhat greater than Colosseum on height — about 1.1×. Both figures are typical values; the full range for each is in the table above.

### How do Colosseums and RMS Titanics compare on length?

Colosseum: 189 m. RMS Titanic: 269.1 m. RMS Titanic is somewhat greater than Colosseum on length — about 1.4×.

### How do Colosseums and RMS Titanics compare on width?

Colosseum: 156 m. RMS Titanic: 28.2 m. Colosseum is 5.5× RMS Titanic on width.

## Related pages

- [Colosseum vs Sydney Opera House](https://atoneplace.net/vs/colosseum-vs-sydney-opera-house/)
- [Colosseum vs Tower Bridge](https://atoneplace.net/vs/colosseum-vs-tower-bridge/)
- [Arc de Triomphe vs Colosseum](https://atoneplace.net/vs/arc-de-triomphe-vs-colosseum/)
- [Aircraft carrier vs RMS Titanic](https://atoneplace.net/vs/aircraft-carrier-vs-titanic/)
- [Colosseum vs Taj Mahal](https://atoneplace.net/vs/colosseum-vs-taj-mahal/)
- [Cruise ship vs RMS Titanic](https://atoneplace.net/vs/cruise-ship-vs-titanic/)
- [Colosseum vs Great Pyramid of Giza](https://atoneplace.net/vs/colosseum-vs-great-pyramid-of-giza/)
- [Christ the Redeemer vs Colosseum](https://atoneplace.net/vs/christ-the-redeemer-vs-colosseum/)
- [Colosseum vs St Peter's Basilica](https://atoneplace.net/vs/colosseum-vs-st-peters-basilica/)
- [Container ship vs RMS Titanic](https://atoneplace.net/vs/container-ship-vs-titanic/)
- [Nuclear submarine vs RMS Titanic](https://atoneplace.net/vs/nuclear-submarine-vs-titanic/)

## Sources

- Wikidata — Wikimedia Foundation (https://www.wikidata.org/) [CC0 1.0]