Energy Calculator
Kinetic Energy
KE = ½mv²
Potential Energy
PE = mgh
Energy Converter
Convert between energy units
Formula
KE = ½mv² | PE = mgh | 1 cal = 4.184 J | 1 kWh = 3,600,000 J
Frequently Asked Questions
What is energy?
Energy is the ability to do work, measured in Joules (J). Kinetic energy is energy of motion (½mv²). Potential energy is stored energy due to position (mgh). Energy is conserved — it transforms but is never created or destroyed.
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