All Tools (175)

Calculate AC watts, VA, VAR, and phase angle from voltage, current, and power factor.

Solve average acceleration, velocity, or time.

Calculate a date before or after a chosen number of days, weeks, months, or years.

Find completed years, months, days, total days, and next birthday.

Solve constant angular-acceleration motion and rotational velocity changes.

Calculate angular momentum from rotational inertia or particle motion.

Calculate and convert angular velocity, RPM, period, and frequency.

Convert square meters, square feet, acres, hectares, and more.

Simplify dimensions and resize them without changing their proportions.

Calculate and compare four useful types of averages.

Convert plain text and Base64 in either direction.

A simple arithmetic calculator for quick results.

Estimate battery runtime or required capacity from load and usable capacity.

Calculate adult BMI and the standard screening category from height and weight.

Find break-even units, revenue, contribution margin, and target-profit units.

Add business days from today or count weekdays between dates with US federal and custom holidays.

Build and understand HTTP Cache-Control directives.

Calculate CAGR and explore equivalent compound growth scenarios.

Calculate capacitance, charge, or voltage using Q = CV.

Calculate energy stored in a capacitor from capacitance and voltage.

Combine capacitors in series or parallel and calculate equivalent capacitance.

Convert text into common writing and developer casing styles.

Find a system's center of mass from masses and positions.

Solve force, acceleration, speed, mass, or radius for circular motion.