---
title: "Bathtub vs front door — size, weight and speed compared"
description: "Bathtub and front door are near enough identical on weight. Compared on 5 measured properties, with the full range and a source for each."
url: https://atoneplace.net/vs/bathtub-vs-front-door/
site: "At One Place"
---

# Bathtub vs Front door

**Bathtub vs front door: Near enough equal on weight**

Bathtub and front door are near enough identical on weight.

A bathtub and a front door can be compared on 5 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 | Front door |
| --- | --- | --- |
| Weight | 18–180 kg | 20–90 kg |
| Length | 140–180 cm | 35–57 mm |
| Width | 70–90 cm | 76–107 cm |
| Typical lifespan | 15–50 yr | 20–60 yr |
| Typical cost | 200–4,000 $ | 250–4,000 $ |

## What the numbers say

- Bathtub and front door are near enough identical on weight.
- Bathtub is 34× front door on length.
- Front door is somewhat greater than bathtub on width — about 1.2×.
- Front door is somewhat greater than bathtub on typical lifespan — about 1.2×.
- Front door is somewhat greater than bathtub on typical cost — about 1.2×.

*Weight compared.*

- Bathtub: 18–180 kg
- Front door: 20–90 kg

## Bathtub

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

## Front door

The main external door of a house, typically 36 by 80 inches in the US and 838 by 1,981 mm in the UK.

> 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 front door?

Bathtub and front door 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 front doors compare on length?

Bathtub: 140–180 cm. Front door: 35–57 mm. Bathtub is 34× front door on length.

### How do bathtubs and front doors compare on width?

Bathtub: 70–90 cm. Front door: 76–107 cm. Front door is somewhat greater than bathtub on width — about 1.2×.

## Related pages

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

## Sources

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