Metal Building Snow Load Calculator Location (US State): Select State Roof Style: Select Roof Style Vertical Roof A-Frame Horizontal Roof Regular Roof Building Type: Select Building Type Carport RV Cover Garage Barndominium Roof Slope (degrees): Calculate Estimated Roof Snow Load: psf Note: These are average values for each state. Actual snow loads can vary significantly within states due to factors like elevation and local climate. Please consult local building codes for precise requirements.