Measurements and building systems
Electrical load calculator, Drain slope calculator, Stair calculator, Ramp slope calculator.
Radiator section calculator
Estimate outputs: Required nominal output, Radiators or sections. Adjust Room design heat loss, Output per radiator or section, Output correction factor to m...
Heat loss estimate calculator
Estimate outputs: Design heat loss. Adjust Heated floor area, Specific heat-loss coefficient, Indoor to outdoor temperature difference to match your project.
Lumber volume calculator
Estimate outputs: Linear length, Lumber volume. Adjust Number of pieces, Length, Board width to match your project.
Wall stud calculator
Estimate outputs: Wall studs. Adjust Wall length, Stud spacing, Door and window openings to match your project.
Ramp slope calculator
Estimate outputs: Required horizontal run, Slope. Adjust Vertical rise, Horizontal run per unit rise to match your project.
Stair calculator
Estimate outputs: Risers, Actual riser height, Tread depth. Adjust Total rise, Available horizontal run, Maximum riser height to match your project.
Drain slope calculator
Estimate outputs: Total fall, Ending invert level. Adjust Pipe run, Required slope, Starting invert level to match your project.
Electrical load calculator
Estimate outputs: Current, Voltage drop. Adjust Power, Voltage, Cable length to match your project.
No matching calculators
Choose a material, enter the measurements and check the result against the supplier’s specifications.
This is a preliminary geometry or quantity calculation, not a design check. Dimensions, spacing and performance requirements must come from your project.