Estimates the reverberation time (RT60) of a room based on its volume, total surface area, and average absorption coefficient, using the Sabine formula.

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Antenna Length Calculator

Calculates the physical length of a half-wave dipole antenna for a given frequency, considering the velocity factor of the conductor.

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Bending Stress Calculator

Calculates the maximum bending stress in a beam under a point load, based on load, span, and section modulus.

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Bicycle Gear Ratio Calculator

Calculates the gear ratio and gear inches for a bicycle drivetrain based on chainring and cassette sprocket sizes.

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Biot-Savart Law Calculator

Calculates the magnetic field produced by a current-carrying wire segment at a point in space using the Biot-Savart law.

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Blackbody Peak Wavelength Calculator

Calculates the wavelength at which a blackbody emits the most radiation, based on its temperature, using Wien's displacement law.

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Capacitive Power Factor Calculator

Calculates the power factor of a capacitor given its reactive power and the total apparent power in an AC circuit.

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Centrifugal Pump Power Calculator

Calculates the hydraulic power required to pump a fluid based on flow rate, head, and fluid density.

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Coefficient of Friction Calculator

Calculates the coefficient of friction from the force required to move an object and its normal force, or from the angle of an incline at which sliding begins.

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Collision Elasticity Calculator

Calculates the coefficient of restitution for a collision between two objects, measuring how elastic the collision is.

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Concrete Slab Weight Calculator

Estimates the total weight of a concrete slab based on its dimensions and the density of the concrete mix.

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Conductor Resistance vs Temperature

Calculates the resistance of a conductor at a target temperature given its resistance at a reference temperature and the temperature coefficient of resistance.

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Crane Load Capacity Calculator

Estimates the safe lifting capacity of a crane based on boom angle, boom length, and rated capacity.

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Current Density Calculator

Calculates current density from electric current and cross-sectional area, or derives current or area when the other two are known.

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Cylindrical Tank Volume Calculator

Calculates the volume of a cylindrical tank in liters and cubic meters based on diameter and height.

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Physics calculators — Frequently asked questions

Quick answers about the physics tools on Mathify.

What physics calculators are included?+

Velocity, force, energy, Ohm's law, and density tools for students and makers.

Are the formulas shown?+

Yes. Most tools explain the formula used to produce the result.

Are physics calculators free?+

Yes, like every other Mathify tool.

Physics calculators — Frequently asked questions

Quick answers about the physics tools on Mathify.

What physics calculators are included?+

Velocity, force, energy, Ohm's law, and density tools for students and makers.

Are the formulas shown?+

Yes. Most tools explain the formula used to produce the result.

Are physics calculators free?+

Yes, like every other Mathify tool.