Kinetic Energy Calculator

Calculate kinetic energy, mass, and velocity using the kinetic energy formula.

Calculation Mode

KE = ½mv²: Calculate kinetic energy from mass and velocity

Mass (m)

Mass of the object

Velocity (v)

m/s

Velocity of the object

Kinetic Energy (KE)

Energy in Joules

⚠️

Kinetic Energy

—

Joules

⚖️

Mass

—

🏃

Velocity

—

m/s

⚡

Kinetic Energy

—

Joules

📊 Energy Breakdown

Mass (m) —

Velocity (v) —

Kinetic Energy (KE) —

Formula KE = ½mv²

KE = ½mv²

Kinetic Energy

m = 2KE/v²

Mass from Energy

v = √(2KE/m)

Velocity from Energy

1 J = 1 kg·m²/s²

Joule Definition

⚕️ Physics Disclaimer: This calculator assumes classical mechanics (non-relativistic speeds). For objects moving at significant fractions of the speed of light, relativistic effects must be considered. Always verify calculations for critical applications.