Engineering Calculators
Free, fast structural load calculators with edition-specific ASCE 7 equations and code references. Need unbalanced snow, roof-step drifts, sliding snow, ice dams, rain-on-snow, sealed reports, or saved projects? Those capabilities are available in the Prose desktop app.
Snow Loads
Free Snow Load Calculator Free tool
Calculate balanced flat and sloped roof snow loads, minimum roof snow load, and parapet or roof-projection drifts per ASCE 7-10, 7-16, and 7-22.
Open calculatorRoof-Step Drift & Unbalanced Snow Prose Desktop only
Unbalanced hip and gable loads, windward/leeward distributions, and drift at roof elevation changes.
Wind Loads
MWFRS Wind Pressure Prose Desktop only
Directional procedure, ASCE 7 Ch. 27.
Components & Cladding Prose Desktop only
C&C pressures by zone.
Seismic Loads
Seismic Base Shear Prose Desktop only
Equivalent lateral force, Ch. 12.
Rain Loads
Rain Load & Ponding Prose Desktop only
Static + hydraulic head, Ch. 8.
