Can a 12, 13 or 14 Year Old Dunk? An Honest Look at the Numbers
What vertical a young player actually needs to dunk at 12, 13 and 14 — on regulation and youth rims — plus why growth, not training, is usually the deciding factor.
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Clear, evidence-based guides on Dunk Calculator — calculation formulas, worked examples, and the science behind the numbers. Everything you need to read your results with confidence.
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Dunking on an 8-Foot or 9-Foot Rim: What Vertical You Actually Need
Lowering the rim removes one inch of required vertical per inch of rim height. The exact numbers for 8 ft, 8.5 ft and 9 ft goals at every common height, and how to pick a training rim.
Read articleHow High Do You Need to Jump to Dunk? The Numbers in Centimetres
Every dunk figure in metric: the 305 cm rim, the 320 cm one-hand target, and the vertical you need at 165, 170, 175, 180, 185 and 190 cm of height.
Read articleHow to Jump Higher to Dunk: Closing a Gap You Have Actually Measured
What to train depends on how far you are. A realistic guide to adding vertical for a 2-inch gap, a 6-inch gap and a 12-inch gap — and how long each one honestly takes.
Read articleStanding Reach: How to Measure It, and How to Estimate It From Your Wingspan
Standing reach decides your dunk target, not height. How to measure it in 30 seconds, the height × 1.33 estimate, average reach by height, and how to adjust it using your wingspan.
Read articleWhat Is My Vertical If I Can Touch the Rim? (Reverse Jump Calculator)
Work out your vertical jump from the highest point you can touch. The exact heights of the rim, backboard and net, plus why a measured touch is more accurate than any jump test.
Read articleWhat Vertical Do You Need to Dunk? Every Height From 5'6" to 6'6"
The exact vertical jump needed to dunk at 5'6", 5'8", 5'10", 6'0", 6'2", 6'4" and 6'6" — standing and running, one-hand and two-hand, with the reach numbers behind each figure.
Read articleHow to Dunk a Basketball: The Exact Vertical Jump You Need by Height
Most people are 4–10 inches from dunking. Here is the exact vertical jump required by height, why standing reach matters more than height, and how to close the gap.
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