---
title: "How much does a Gateway Arch weigh?"
description: "Gateway Arch weighs 15,650 t (34,500,000 lb). How that compares to other things, and where the number comes from."
url: https://atoneplace.net/weight/gateway-arch/
site: "At One Place"
---

# How much does a Gateway Arch weigh?

**Typical weight: 15,650 t**

That is 34,500,000 lb, or 15,600,000 kg.

A stainless steel catenary arch in St Louis, the tallest arch and the tallest man-made monument in the Western Hemisphere.

> The above-ground structure, usually quoted as 17,246 US short tons; the foundations add far more.

## How that compares

*Gateway Arch against things of a similar mass.*

- Statue of Unity: 67,000 t
- RMS Titanic: 52,310 t
- Offshore oil rig: 10,000–656,000 t
- Nuclear submarine: 16,760–18,750 t
- Gateway Arch: 15,650 t
- Leaning Tower of Pisa: 14,500 t
- Eiffel Tower: 10,100 t
- Space Needle: 8,660 t

## More about Gateway Arch

- [Gateway Arch vs Eiffel Tower](https://atoneplace.net/vs/eiffel-tower-vs-gateway-arch/) — Side by side
- [Gateway Arch vs Space Needle](https://atoneplace.net/vs/gateway-arch-vs-space-needle/) — Side by side

## Common questions

### How much does Gateway Arch weigh?

Gateway Arch weighs 15,650 t (34,500,000 lb). The above-ground structure, usually quoted as 17,246 US short tons; the foundations add far more.

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- [Gateway Arch vs Space Needle](https://atoneplace.net/vs/gateway-arch-vs-space-needle/)

## Sources

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