Calculators

Calculates the pitch diameter of a metric screw thread, given its nominal diameter and pitch.

Calculates the number of studs needed for a wall based on wall length and stud spacing.

Calculates the depth of a countersunk hole based on the screw head diameter and countersink angle.

This calculator determines the recommended rivet size based on the material thickness and the desired joint strength.

Calculates the minimum required size of an electrical box based on the number and type of conductors and devices within the box, according to the National Electrical Code (NEC).

Calculates the focus points of an ellipse, essential for arch construction. Provides the necessary parameters for constructing an elliptical arch.

Calculates the volume in cubic yards from a given area in square feet, assuming a specified depth.

Calculates the number of concrete blocks and estimated costs for building a wall, based on dimensions and block size.

Calculates the volume of concrete or mortar needed to fill hollow concrete blocks, based on block dimensions and the number of blocks.

This calculator helps determine the appropriate boiler size (BTU/hr) needed for heating a home, based on square footage and insulation quality.