Roof Snow Load Calculator

Estimate weight of snow on a roof.

For safety, consult structural engineers for heavy snow loads.

Examples

  • 1000 sq ft, 2 ft depth at 20 lb/ft³ ⇒ 40,000 lbs
  • 500 sq ft, 1 ft depth at 15 lb/ft³ ⇒ 7,500 lbs

FAQ

Why use density?

Snow weight varies with water content.

Does roof pitch matter?

This simple estimate ignores slope and drifting.

Additional Information

No additional information available.