Free Tennis Tools
Grand Slam Format Guide
How many sets Wimbledon matches need, plus Grand Slam set and tiebreak rules for singles and doubles.
Open tool → ReferenceJunior Tennis Racket Size Chart
Use this tennis racket sizes chart to match a child's age and height to a junior racquet length and ball stage.
Open tool → ReferenceTennis Ball Diameter Reference
Check the official tennis ball diameter range in millimeters, centimeters or inches for standard, slow, fast and junior balls.
Open tool → ReferenceTennis Ball Dimensions Chart
Check tennis ball dimensions by type, including diameter, circumference and weight ranges in metric or imperial units.
Open tool → ReferenceTennis Ball Weight Reference
Check the standard tennis ball weight range in grams or ounces for supported ball types.
Open tool → ConverterTennis Court Dimensions Converter
Convert tennis court dimensions in feet, meters, or yards for singles and doubles courts, including service lines and net details.
Open tool → CalculatorTennis Grip Size Calculator
Use a tennis racket grip size chart to find your US and European grip size from a hand measurement, with overgrip guidance.
Open tool → CalculatorTennis Match Simulator
Free tennis simulator for match win probabilities, set and game breakdowns, and likely scorelines from serve point rates.
Open tool → CalculatorTennis Match Time Calculator
Find how many sets in a tennis match and estimate games and court time for booking.
Open tool → CalculatorTournament Rounds Calculator
Find how many round in tennis tournaments, plus matches, byes and round names for elimination or round-robin draws.
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