Vertical Jump Meter
Measure your vertical jump height automatically from video using AI pose detection, or manually with a timer.
Recommended Books on Vertical Jump Training
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How to Use the Vertical Jump Meter
Record or upload a video of your jump
Use your phone to record a vertical jump from a side angle, about 2-3 meters away. Slow-motion video (60fps+) gives the best accuracy. Make sure your full body is visible.
AI automatically detects your jump
Our AI pose detection model analyzes every frame to track your feet, automatically detecting the exact takeoff and landing moments.
Review and fine-tune the result
See your jump height, flight time, and a trajectory chart. Use the frame adjustment sliders to fine-tune the detection if needed.
Use Cases
Basketball training
"Track your vertical jump progress over weeks of plyometric training with precise AI-measured results."
Volleyball tryouts
"Record your jump with a phone and get an instant height measurement without specialized equipment."
Fitness assessment
"Use as part of a general fitness test to measure explosive lower-body power with video proof."
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Frequently Asked Questions
?How does the AI video analysis work?
We use Google MediaPipe Pose Landmarker to detect 33 body landmarks in each video frame. The AI tracks your feet to identify the exact frames where you leave the ground (takeoff) and return (landing), then calculates flight time and jump height using physics.
?How accurate is the video analysis?
At 30fps accuracy is ±5-8 cm. At 60fps (slow-motion) it improves to ±2-4 cm, which is suitable for training. For near force-plate accuracy, use 120fps slow-motion video.
?What kind of video gives the best results?
Record from a side angle, 2-3 meters away, with your full body visible from head to feet. Use slow-motion mode on your phone (60fps or 120fps) for better accuracy. Keep the camera steady.
?Does it work on my phone?
Yes! You can record a video directly from the tool or upload an existing video. The AI runs entirely in your browser using WebAssembly and WebGL.
?What if the AI doesn't detect my jump correctly?
You can manually adjust the takeoff and landing frames using the sliders below the trajectory chart. You can also switch to the Manual tab to enter the air time directly.
?Is my data private?
Absolutely. All video processing and AI analysis run locally in your browser. Your video is never uploaded to any server.
?Is this tool free?
Yes, it is completely free with no sign-up required.
?What is the formula used?
We use the free-fall kinematic equation h = g × t² / 8, where g is gravitational acceleration (9.81 m/s²) and t is total air time. This gives the peak height reached during a jump.