Velocidade jab

v = d/t.
Created by
Renato Passos, Eng. de Software
Reviewed by
Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

v
2,80 m/s

About this calculator

The Jab Speed Calculator helps martial artists measure the speed of a jab, a fundamental technique in sports like boxing and MMA. It uses the basic physics formula v = d/t, where 'v' is speed, 'd' is the distance traveled by the fist, and 't' is the time taken. To use it, input the distance between the starting position of the hand and the target, along with the time in seconds it took to reach the target.

This tool is useful during training sessions focused on technique analysis, such as sparring or target drills. For instance, a fighter can compare jab speeds at different points in a session to track improvements in agility. It’s also used in competitions to quantitatively assess technical performance.

Accuracy depends on precise measurements of distance and time. A high-precision stopwatch is recommended for timing. Note that the calculated speed reflects only movement agility and excludes factors like force or striking technique. Combine results with coach feedback or slow-motion video analysis for better insights.

Frequently asked questions

How to measure distance accurately?

Measure the distance between the starting position of the hand (relaxed) and the target (typically the opponent’s face or a punching bag). Use a measuring tape or laser app for precision.

Can I use this calculator for other punch types?

Yes, as long as the movements are linear and the v = d/t formula applies. Examples include jabs, crosses, or hook punches, but adjust the calculation for the trajectory.

Why is high-precision timing essential?

Speed is inversely proportional to time: small variations (like 0.1 seconds) drastically change the final result.

Is it suitable for beginners?

Yes, but we recommend guidance from a coach to ensure proper technique before measuring speed.

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