A free tool instantly calculating roof pitch, angle, slope, and rafter length.
Product memo
RoofAngler provides a specialized, free calculator for roof pitch. It targets homeowners, contractors, and roofers, offering instant conversions between pitch ratio, degrees, slope percentage, and rafter length. This simplifies complex measurements for construction and renovation projects, serving as a quick utility for a specific job.
For who
Homeowners, contractors, and roofers
Solves what
Instantly calculates roof pitch, angle, slope, and rafter length.
- Pitch ratio calculator
- Angle and slope calculator
- Rafter length calculator
In their own words
Roof Pitch Calculator
Enter rise and run, an angle in degrees, or a pitch ratio to instantly calculate roof pitch, slope percentage, and rafter length.
Instantly calculate roof pitch, slope percentage, and rafter length.
Commercial cues
Model
free_only
Free tier
Yes
Trial
No
Operator context
Team
Indie / lean
Founded
May 2026
HQ
United States
Platform
Web app
Audience
General
Social / footprint
Builder Strategy
- Strategy Type
- Niche Specialist
- Stage
- Bootstrapped Lean
- Effort
- Weekend Project
About RoofAngler Expand
RoofAngler offers a free, specialized tool for anyone needing to calculate roof pitch, angle, slope, or rafter length. It serves homeowners planning renovations, as well as contractors and roofers on the job, by providing instant conversions between pitch ratio, degrees, and slope percentage.
This focused utility helps users quickly get precise measurements without complex manual calculations. RoofAngler's positioning as a free, accurate resource builds trust within the roofing community, making it a go-to for essential measurements.