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Bathtub vs Radiator

Bathtub vs radiator
Bathtub is larger on weight
Bathtub is 1.5× radiator on weight.

A bathtub and a radiator 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 Radiator
Weight 18–180 kg 10–100 kg
Width 70–90 cm 40–200 cm
Typical lifespan 15–50 yr 15–100 yr
Typical cost 200–4,000 $ 70–1,200 $

What the numbers say

  • Bathtub is 1.5× radiator on weight.
  • Radiator is somewhat greater than bathtub on width — about 1.3×.
  • Bathtub and radiator are near enough identical on typical lifespan.
  • Bathtub is 2.7× radiator on typical cost.

Weight compared.

Bathtub 18–180 kg
Radiator 10–100 kg

Bathtub

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

Radiator

A wall-mounted heat emitter fed with hot water from a boiler, transferring heat mostly by convection.

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 radiator?
Bathtub is 1.5× radiator on weight. Both figures are typical values; the full range for each is in the table above.
How do bathtubs and radiators compare on width?
Bathtub: 70–90 cm. Radiator: 40–200 cm. Radiator is somewhat greater than bathtub on width — about 1.3×.
How do bathtubs and radiators compare on typical lifespan?
Bathtub: 15–50 yr. Radiator: 15–100 yr. Bathtub and radiator are near enough identical on typical lifespan.

Related pages

Sources

  1. Typical range compiled from manufacturer specifications — At One Place

How these figures are compiled and checked