Calculators

Estimates a car's acceleration time from 0 to 60 miles per hour based on horsepower and weight.

Calculates the power generated by hydroelectric turbines based on head, flow rate, and efficiency.

Converts between different units of radiation, including absorbed dose and equivalent dose.

This calculator converts between different units of energy, including joules, microjoules, millijoules, kilojoules, and megajoules.

This calculator converts cycles per second (CPS), also known as Hertz (Hz), to other frequency units like Kilohertz (kHz), Megahertz (MHz), and Gigahertz (GHz).

This calculator converts between various units of force, including Newtons, dynes, pounds-force, and kilogram-force.

Calculates the required airflow in cubic feet per minute (CFM) for a room based on its dimensions and desired air changes per hour.

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

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

Calculates the angle a ladder forms with the ground, given the ladder's length and the distance from the base of the structure.