Energia chute
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The Kick Energy calculator estimates the kinetic energy generated by martial arts kicks using the formula E = ½·m·v², where 'm' is the practitioner's mass (kg) and 'v' is the kick velocity (m/s). It helps athletes and coaches analyze the physical effectiveness of their techniques.
To use, input your body weight and estimated kick speed. The result in joules (J) indicates potential impact. This tool is practical for performance evaluation, training adjustments, and comparing technical methods.
While useful, it has limitations. Actual energy may vary due to force distribution, body alignment, and air resistance. Use it as a technical guideline, not as an absolute measure of combat effectiveness.
Frequently asked questions
What is the Kick Energy calculator used for?
It estimates the kinetic energy of kicks to help martial artists and coaches analyze the technical and physical efficiency of movements.
How does speed affect the calculated energy?
Energy increases with the square of velocity. Doubling speed multiplies energy by four, according to the formula E = ½·m·v².
Do I need to convert units before using the calculator?
Yes. Mass must be in kilograms and velocity in meters per second to get results in joules.
Can this calculator be used for other martial arts?
Yes, it works for any discipline involving kicks, provided measurements are done with proper equipment.
Is the calculator's accuracy guaranteed?
No. The formula is theoretical and doesn't account for real-world factors like biomechanics or technique. Use it as an initial technical reference.