Science & Physics Calculators

Ohm's Law Calculator

Solve for voltage, current, resistance, or wattage power from any two known values.

Electrical V=IR

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Kinetic Energy Calculator

Calculate kinetic energy, mass, or velocity with joule, foot-pound, and calorie outputs.

Mechanics KE=1/2mv2

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Newton's Second Law

Calculate force in newtons, mass, or acceleration using Sir Isaac Newton fundamental equation.

Force F=ma

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Projectile Motion

Compute horizontal range, maximum apex height, and flight time from velocity and launch angle.

Ballistics Trajectory

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Molar Mass Calculator

Enter any chemical formula to get its molecular weight and elemental mass percentages.

Molar Mass g/mol

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Molarity Calculator

Calculate molar concentration M = n/V and solve lab dilutions using C1V1 = C2V2.

Molarity Dilution

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Half-Life Calculator

Solve isotope radioactive decay, elapsed half-life periods, and remaining activity levels.

Decay Nuclear

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Density Calculator

Calculate material density D = M/V with imperial and metric mass to volume units.

Density D=M/V

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Ideal Gas Law Calculator

Solve PV = nRT for pressure, gas volume, mole count, or Kelvin temperature.

Thermodynamics PV=nRT

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