No install — works in any browser

Every measurement
you need on the roof.

Pitch angle, compass heading, GPS altitude, solar position — all from your phone's sensors. No app store. One purchase, your server, your crew.

Open RoofTools See all tools
Pitch
Compass
Altitude
Sun Angle
Converter
Pitch Gauge
Hold your phone to the roof.
Read the pitch instantly.

Uses your phone's gyroscope — the same sensor as professional inclinometers. Tap to lock the reading. Displays in X:12, degrees, and percent grade simultaneously.

Pitch Gauge
● LIVE
0° 45° 90°
6:12
6:12
Pitch
26.6°
Degrees
50%
Grade
Tap anywhere to hold reading
Compass
● LIVE
N S E W
218°
South-Southwest
GPS Altitude
● LOCKED
847 ft
258 m
Meters
±12 ft
Accuracy
34.0522°
Latitude
-118.24°
Longitude
Sea level847 ft14,000 ft
GPS Altitude & Position

Know exactly where you are — and how high.

GPS altitude is useful for permits, drainage planning, and solar calculations. Lock your coordinates at a job site and share them directly from the app.

  • Altitude in feet or meters
  • GPS coordinates for permit docs
  • Accuracy indicator so you know when to trust it
  • One-tap copy for sharing job location
Solar Position
Is this roof worth the panels?
Check the sun angle first.

Calculates real-time solar azimuth and elevation from your GPS position. See sunrise, solar noon, and sunset. Know the roof's solar exposure before you quote the job.

Sun Position
Aug 14 · 2:47 PM
Sunrise 6:04 Solar noon 12:51 Sunset 7:38 43°
43.2°
Elevation
248°
Azimuth
6:04 AM
Sunrise
7:38 PM
Sunset
Pitch Converter
Quick Reference
{[['4:12','18.4°','33%'],['5:12','22.6°','42%'],['6:12','26.6°','50%'],['7:12','30.3°','58%'],['8:12','33.7°','67%'],['9:12','36.9°','75%'],['10:12','39.8°','83%'],['12:12','45.0°','100%']].map(([p,d,g],i) => `
${p} ${d} ${g}
`).join('')}
Pitch Degrees Grade
Everything included
Built for the field.
Works where you work.
Live pitch gauge
Real-time angle from your phone's gyroscope. Tap to lock. Displays X:12, degrees, and percent grade simultaneously.
Compass heading
Magnetic heading with cardinal direction label. Useful for orientation when writing up estimates.
GPS altitude & position
Elevation in feet or meters. Coordinates for permit applications. One-tap copy to clipboard.
Solar position
Real-time sun elevation and azimuth from GPS. Sunrise, solar noon, and sunset times. Built for solar pre-qualification.
Pitch converter
Full reference table: X:12 ↔ degrees ↔ percent grade. No math on the roof.
Your server, your data
Self-hosted. No readings sent anywhere. Works offline once loaded. Source code included.
Pricing
One purchase.
Every tool, forever.

No subscriptions. No per-user fees. Buy it once, own it outright.

One-time purchase
$1,500
or $299 down + $199/mo × 6 — same total
Get RoofTools →
Setup included. Your crew is live same day.
Leave the inclinometer
in the truck.

Your phone already has everything it needs.

Open RoofTools →