Physics
Force Calculator
Newton's second law: solve for force, mass or acceleration (F = ma), with the weight equivalent.
F = m × a
Also called f = ma · newtons second law
Science · 12 calculators
Physics Calculators
Force, work, power, energy, momentum, velocity, acceleration, density, pressure, frequency and wavelength.
Physics
Work Calculator
Work done by a force over a distance (W = F·d), solving for work, force or displacement.
W = F × d × cos θ (θ = 0 when force and m…
Also called work done formula · work physics calculator
Physics
Power Calculator
Power as work done per unit time (P = W/t) — solve for power, work or time, in watts and horsepower.
P = W / t
Also called power formula physics · watts from work
Physics
Energy Calculator
Calculate kinetic, potential, elastic, thermal or mass energy (E = mc²) — pick the type and enter the values.
KE = ½mv²
Also called energy formula · e=mc2 calculator
Physics
Momentum Calculator
Linear momentum p = mv — solve for momentum, mass or velocity, with the impulse needed to stop it.
p = m × v
Also called p = mv · linear momentum
Physics
Velocity Calculator
Velocity from displacement and time (v = d/t), or solve for displacement or time.
v = d / t
Also called velocity formula · v = d/t
Physics
Acceleration Calculator
Acceleration from the change in velocity over time (a = Δv/t), or solve for Δv or time.
a = Δv / t
Also called acceleration formula · a = dv/dt
Physics
Density Calculator
Density, mass or volume (ρ = m/V) — with the result also in g/cm³ and lb/ft³.
ρ = m / V
Also called density formula · mass volume density
Physics
Pressure Calculator
Pressure from force and area (P = F/A) or fluid depth (P = ρgh), in Pa, bar, psi and atm.
P = F / A
Also called pressure formula · p = f/a
Physics
Frequency Calculator
Frequency from period or from wave speed and wavelength — in hertz, with the period in seconds.
f = 1 / T
Also called frequency formula · f = 1/t
Physics
Wavelength Calculator
Wavelength from wave speed and frequency (λ = v/f) — works for sound, light and radio waves.
λ = v / f
Also called lambda calculator · wavelength formula
Physics
Kinetic Energy Calculator
Kinetic energy (½mv²) of a moving object, with the velocity needed for a target energy.
KE = ½ m v²
Also called ke calculator · kinetic energy formula
Key physics formulas
Physics questions
What is 1 newton?
One newton is the force needed to accelerate 1 kg at 1 m/s². On Earth, a 1 kg mass weighs about 9.81 N.