Free calculators, analyzers, and expert guides to help you improve every aspect of your game. From grip sizing to match strategy.
Real working tools based on tennis physics and biomechanics. Get accurate results instantly.
Find your perfect grip size based on height and hand measurements. US and EU sizing included.
Get the optimal string tension for your racket, playing style, and string type.
Calculate your serve speed from distance and time measurements at the baseline.
Estimate how many calories you burn during tennis based on weight and playing intensity.
Calculate your training heart rate zones based on age for optimal workout intensity.
Generate elimination brackets for tournaments from 4 to 128 players.
In-depth articles on technique, training, equipment, and strategy from experienced sources.
Master the fundamentals of the modern forehand, from grip to follow-through. Includes step-by-step breakdown.
Develop a powerful and consistent serve through proper biomechanics and practice progressions.
Fuel your game properly with evidence-based nutrition guidelines for training and competition.
Built by tennis enthusiasts, for tennis enthusiasts.
Our tools use actual tennis physics and biomechanics formulas, not arbitrary estimates. Get accurate, actionable data.
All our tools and articles work perfectly on any device. Use them at the courts, at home, or on the go.
No paywalls, no subscriptions, no ads pushing upgrades. Everything is free, forever.