Speed Calculator
Speed = Distance ÷ Time
Calculate speed from distance and time
Acceleration Formula
a = (v - u) / t
Calculate acceleration from initial and final velocity over time
Density Formula
ρ = m / V
Calculate density from mass and volume
Force (Newton's Second Law)
F = m × a
Calculate force using mass and acceleration
Ohm's Law
V = I × R
Calculate voltage using current and resistance
Kinetic Energy
KE = ½mv²
Calculate the kinetic energy of a moving object
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Work Done Formula
W = F × d
Calculate the work done by a force over a distance
Momentum Formula
p = m × v
Calculate the linear momentum of a moving object
Gravitational Potential Energy
PE = mgh
Calculate gravitational potential energy
Electrical Power
P = V × I
Calculate electrical power
Velocity
v = d/t
Calculate velocity using distance and time
Pressure Formula
P = F / A
Calculate pressure from force applied over an area
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Torque Formula
τ = F × r
Calculate torque from a force applied at a distance from the pivot
Free Fall Distance
d = ½gt² (g = 9.81 m/s²)
Calculate how far an object falls under gravity in a given time
Projectile Range
R = v² sin(2θ) / g
Calculate the horizontal range of a projectile launched at an angle
Wave Speed Formula
v = f × λ
Calculate wave speed from frequency and wavelength
Ideal Gas Law
PV = nRT → V = nRT / P
Find the volume of a gas from moles, temperature and pressure
Coulomb's Law
F = k·q₁q₂ / r² (k = 8.99 × 10⁹)
Calculate the electrostatic force between two point charges
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