Hip rafter calculator
Estimate hip length and angle from equal plan runs.
What you enter
- Horizontal run (in)
- Pitch rise (in / 12)
- Pitch run (in)
- Second face pitch rise (optional) (in / 12)
- Second face horizontal run (optional) (in)
- First face overhang (optional) (in)
- Second face overhang (optional) (in)
Main results
- Hip rafter length
- Hip angle
What it follows
Plain centreline geometry on the numbers you type; no building-code table is looked up. Wall-height adjustments, board thickness and cuts are not included.
Every result is marked REVIEW REQUIRED. Illustrative project-planning values only; jurisdiction, species, grade, loads, wet service and current adopted tables require review. Do not use a result directly for permit, purchase, or field use.
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The calculator opens inside the designer, after you sign in.
Accounts are issued by the DeckAndShed team. There is no self-service sign-up.