Dunk Calculator

Player Information

Standing reach is automatically calculated based on your height and wingspan
inches

Hoop Information

inches

Dunk Result

CAN'T DUNK YET
You need 16.0 more inches

🏀 Dunk Calculator – Can You Dunk?

Welcome to the Ultimate Dunk Calculator — the easiest way to find out if you can dunk a basketball! Whether you are a beginner, a college baller, or just curious, this tool gives instant answers about your dunking potential. Just enter your details and click Calculate Dunk to see how close you are.

⚡ How It Works

The calculator uses your height, standing reach, rim height, and vertical jump to determine if you can touch or clear the rim. Standing reach is your flat-footed reach with an arm fully extended. If you don't know it, the tool can estimate it from your height.

📊 What to Enter

  • Standing Reach: Most accurate when measured; optional if unknown.
  • Height: Used to estimate reach when needed.
  • Vertical Jump: Measured jump height (standing or running).
  • Rim Height & Extra Clearance: Default rim: 10 ft (305 cm). Default extra clearance: 6 in (≈15 cm).

🎯 Results You’ll See

The calculator shows vertical needed to touch the rim, to dunk (clear rim by ~6 in), and thresholds for advanced dunks. Typical dunk thresholds: 25–35 in for most players; 35–45+ in for highlight dunks.

💪 How to Improve Your Vertical

  1. Strength: Squats, deadlifts and lunges build leg power.
  2. Plyometrics: Box jumps, depth jumps and bounding for explosiveness.
  3. Technique: Practice approach, takeoff and ball control.
  4. Recovery: Rest, sleep and nutrition are essential for progress.

📌 Estimating Standing Reach

If you don't know your standing reach, the calculator estimates it as approximately Height × 0.75. Example: 6'0" (72 in) → 72 × 0.75 = 54 in reach (estimate).

🌍 Imperial vs Metric

Choose feet/inches or centimeters — the calculators convert inputs when you switch units so your data is preserved.

Ready to start? Use the calculators above — enter your numbers and get instant, actionable results. Train smart, measure progress, and soon you'll be flying above the rim.

Frequently Asked Questions

How does the dunk calculator work?

The calculator uses your height, standing reach, and vertical jump to estimate your dunking ability based on rim height and clearance needed.

What is the required vertical jump to dunk?

It depends on your standing reach and the rim height. Use our Dunk Height Calculator for personalized results.