Free Tools

Tennis Tools

Practical calculators to help you play better, choose smarter, and get more from your equipment.

String Tension Recommender

Not sure what tension to string your racket at? Answer a few questions about your game and we'll give you a personalised recommendation — including which string type suits you best.

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New

Grip Size Calculator

Find your correct grip size in seconds. Use a ruler measurement or the finger-to-crease test — too small or too large causes arm strain and affects your game.

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Coming soon

String Replacement Calculator

How often should you restring? We'll factor in your playing frequency, string type, and style to tell you when it's time — and what it'll cost.

Need a restring?

Once you know your ideal string and tension, shop our full range of tennis strings.

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