Half-hip roof volume calculator

Half-hip roof | skeleton

Half-hip roof | formula


The formula is also suitable for cubic feet.

Calculate the volume of a Half-hip roof

– Metric form gives cubic meters / m3
– Fill out meters with decimals (e.g. 1 or 1.2 or 1.23)
– Decimals with a point ‘.’ , not a comma ‘,’

– Imperial form gives cubic feet
– Fill out ‘0 inches’ if you have only feet.


Half-hip roof | isometric view

Half-hip roof | top view

About the Half-hip roof

A half-hip roof is a hybrid between a gable and a hip roof.

Effectively, the half-hip roof is a gable roof with its gables chamfered off to create ‘hipped ends’. The upper point of the gables is replaced by a small hip, squaring off the top of the gable. Generally speaking, the pitch (slope) of its hip ends is steeper than that of the adjacent sloping roof planes.

A gable is the portion of a wall between the edges of intersecting roof pitches. 

You’ll sometimes see half-hip roofs with ornaments called finials or hip knobs at each end of the ridge.

It is also possible that the gable roof has only one hipped end.

A half-hip roof has a hip above a gable. The hipped part is at the top and the gable section is lower down.
The opposite is also possible. In other words a roof with a gable above a hip. The gable section is at the top and the hipped part is lower down. This roof has a different name and is known as a Dutch gable roof (US) or gablet roof (UK).

The Dutch gable is also used to mean a gable roof with parapets.

Synonyms half-hip roof

You’ll hear many different terms used for the half-hip roof, including half-hipped roof, hipped-gable roof, clipped-gable roof, jerkin head roof, Dutch hip roof, Dutch gable roof, and gablet roof.

See also

mansard roof
hip roof
Dutch gable roof
Half hip roof | location Kerkdriel – the Netherlands