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Fire hydrant vs Manhole cover

Fire hydrant vs manhole cover
Fire hydrant is larger on weight
Fire hydrant is 2.5× manhole cover on weight.

A fire hydrant and a manhole cover can be compared on 2 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.
Fire hydrant Manhole cover
Weight 70–320 kg 30–150 kg
Typical cost 1,200–6,000 $ 100–900 $

What the numbers say

  • Fire hydrant is 2.5× manhole cover on weight.
  • Fire hydrant is 10× manhole cover on typical cost.

Weight compared.

Fire hydrant 70–320 kg
Manhole cover 30–150 kg

Fire hydrant

A valved connection to a water main, dry-barrel in freezing climates so the standing barrel drains after use.

Manhole cover

A cast-iron or ductile-iron lid over an access chamber, made round so it cannot fall through its own opening.

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, fire hydrant or manhole cover?
Fire hydrant is 2.5× manhole cover on weight. Both figures are typical values; the full range for each is in the table above.
How do fire hydrants and manhole covers compare on typical cost?
Fire hydrant: 1,200–6,000 $. Manhole cover: 100–900 $. Fire hydrant is 10× manhole cover on typical cost.

Related pages

Sources

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

How these figures are compiled and checked