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Roof Pitch to Angle and Gradient Calculator - Ramp Pitch Calculator

  in 12 = 26.57°
° = 6 : 12
% Grade (slope)
Enter Pitch, Angle or Grade and hit appropriate button to re-draw diagram.

Roof Pitch is described as Rise in Run, typically the Rise in a Run of 12 units.


Enter Base length to calculate Rise and Diagonal for current Pitch Angle. Select Inches to enter decimal inches or Millimeters for Metric.

Directly Measure Roof Pitch Angle and Calculate Pitch and Angle on Phone or Tablet.

Set Bevel Gauge directly from phone or tablet screen. Roof Angles and Rafter Plumb-Cuts. Phone Bevel Gauge Setter

Measure Pitch Visit this page on your Phone to directly measure pitch and angles. With a mobile device, a button will appear. Tap the button to start measuring and lay your device on an angle (roof) to measure pitch and angle and animate the diagram.

Speak measured angle result While measuring, tap to hear the spoken angle continuously as it changes.

DON'T BREATH THE DUST If you're cutting blocks, concrete, stone or ANYTHING and there's DUST - DON'T TAKE THE RISK
Don't cut it, or cut it wet so there's NO DUST - Silicosis Sucks
And if you're cutting wet, wear a mask - there's dust in the spray too!

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Create PDF to print diagrams on this page. Help & Settings Printing Help (new window)

Copy all diagrams on this page to bottom of page - Make multiple copies to Print or Compare.

View page on Phone via QR Code (Not current calculation result)

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Check relevant local regulations for appropriate sizes, spacings and all engineering requirements.

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