Volume Calculators
Pitched roof — one end hip
![](https://assets-eu-01.kc-usercontent.com:443/72ce5b4b-3d0f-017b-08ae-53de098370ee/f36d4d3e-c768-4313-829e-bcbd7666ef37/volume_calculator_2.jpeg)
Total Volume:
0.00
Note on taking measurements
All dimensions must be based on external measurements of the building or structure involved and not internal measurements.
Disclaimer:
- These calculators are based on standard building shapes.
- They should be used with care if the building you are measuring involves a combination of these forms or differs in a significant way from those in the calculator.
- If in doubt seek advice from a qualified person or your Local Planning Authority.
Other Volume Calculators
![](https://assets-eu-01.kc-usercontent.com:443/72ce5b4b-3d0f-017b-08ae-53de098370ee/175d0acf-8fd2-4f46-82f4-b90471fd8538/volume_calculator_0.jpeg)
Dormer window — flat roof
Calculations needed for a dormer window with a flat roof structure.
![](https://assets-eu-01.kc-usercontent.com:443/72ce5b4b-3d0f-017b-08ae-53de098370ee/33428c75-1cd8-48b5-986e-ade7e75e3d7d/volume_calculator_1.jpeg)
Lean-to — single pitch roof
Calculations needed for adding a Lean-to on a structure with a single pitched roof.
![](https://assets-eu-01.kc-usercontent.com:443/72ce5b4b-3d0f-017b-08ae-53de098370ee/fe245af4-2c69-4814-b92e-5d46030971b8/volume_calculator_4.jpeg)
Pitched roof — two end gables
Complete structure require a more complicated calculation.
![](https://assets-eu-01.kc-usercontent.com:443/72ce5b4b-3d0f-017b-08ae-53de098370ee/c7878475-1017-4100-b77f-316363c45006/volume_calculator_3.jpeg)
Pitched roof — two end hips
Larger structure require a more complicated calculation. Two end hips.