Calculators

Calculates the area in square feet for different shapes, including rectangles, circles, and triangles.

Calculates the gallons of liquid needed to cover one square foot at a specific depth.

Calculates the number of floor joists needed and their total cost, based on room dimensions, joist spacing, and the cost per joist.

Calculates the maximum deflection of a beam under various load and support conditions. This calculator is useful for structural engineers and anyone needing to assess the bending behavior of beams.

Calculates the water flow rate in gallons per minute (GPM).

Calculates the required fire flow (water flow) for fire suppression based on the building type and area.

Estimates the number of shingle bundles needed for a roof, based on roof area and shingle coverage.

Calculates the rafter length and roof slope based on the roof pitch and run.

Calculates the dimensions needed for a birdsmouth cut on a rafter, given the rafter's width and the desired depth and seat cut.

Estimates the heater power (in Watts) needed to heat a room, based on room dimensions, insulation, and desired temperature.