---
title: "Bathtub vs toilet — size, weight and speed compared"
description: "Bathtub and toilet 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/bathtub-vs-toilet/
site: "At One Place"
---

# Bathtub vs Toilet

**Bathtub vs toilet: Near enough equal on weight**

Bathtub and toilet are near enough identical on weight.

A bathtub and a toilet 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.*

|  | Bathtub | Toilet |
| --- | --- | --- |
| Weight | 18–180 kg | 25–70 kg |
| Typical lifespan | 15–50 yr | 20–50 yr |
| Typical cost | 200–4,000 $ | 100–1,500 $ |
| Volume | 100–300 L | 4.8–13.2 L |

## What the numbers say

- Bathtub and toilet are near enough identical on weight.
- Toilet is somewhat greater than bathtub on typical lifespan — about 1.2×.
- Bathtub is 2× toilet on typical cost.
- Bathtub is 25× toilet on volume.

*Weight compared.*

- Bathtub: 18–180 kg
- Toilet: 25–70 kg

## Bathtub

A plumbed tub for bathing, most often a 1,525 mm acrylic alcove bath.

## Toilet

A vitreous china fixture with a cistern, flushing waste into a drain through a water-sealed trap.

> 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, bathtub or toilet?

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

### How do bathtubs and toilets compare on typical lifespan?

Bathtub: 15–50 yr. Toilet: 20–50 yr. Toilet is somewhat greater than bathtub on typical lifespan — about 1.2×.

### How do bathtubs and toilets compare on typical cost?

Bathtub: 200–4,000 $. Toilet: 100–1,500 $. Bathtub is 2× toilet on typical cost.

## Related pages

- [Radiator vs toilet](https://atoneplace.net/vs/radiator-vs-toilet/)
- [Bathtub vs radiator](https://atoneplace.net/vs/bathtub-vs-radiator/)
- [Front door vs toilet](https://atoneplace.net/vs/front-door-vs-toilet/)
- [Bathtub vs front door](https://atoneplace.net/vs/bathtub-vs-front-door/)
- [Toilet vs window](https://atoneplace.net/vs/toilet-vs-window/)

## Sources

- Typical range compiled from manufacturer specifications — At One Place (/about/)