Cable Length Estimate
0 ft
Nearest single kit size: 25 ft
Roof Heat Cable Calculator
Input details about your roof measurements to get an instant cable estimate.
Roof Dimensions
Measure the roofline where ice dams form (often above heated areas).
Most homes use 18 inches.
Gutters & Downspouts
Click the "Gutters" button to the right to include gutter and downspout cable run information.
Complex Roof Areas
Click "Dormers/Valleys" button to the right to include extra length for dormers and roof valleys.
Result
Recommended Cable Length
0 ft
Nearest single kit size: 25 ft
- Estimate only; actual needs vary by roof geometry, local code, and manufacturer installation guidelines.
- If you're unsure, consult a qualified heat cable installer.
