Roof Load Calculator Roof Load Calculator Calculate dead, live, snow/wind, and total roof loads Units Metric (kN/m², m) Imperial (psf, ft) Roof Length Roof Width Roof Slope (°) Dead Load (kN/m²) Live Load (kN/m²) Snow/Wind Load (kN/m²) Roof Material Asphalt Shingle Metal Sheet Concrete Tile Calculate Reset Results Roof Area Dead Load Total Live Load Total Snow/Wind Load Total Total Roof Load