Free tools

Tennis Rating Tools

Free calculators to help you understand and navigate tennis rating systems — and to plan the next step for your player.

Tennis ratings can be confusing. Between UTR, WTN, and NTRP, it's hard to know where your child stands or how different match results might affect their rating. These tools help you make sense of it all.

Rating

Ratings

Convert, predict and understand UTR and WTN.

Rating WTN ↔ UTR converter Convert between World Tennis Number and UTR in both directions. Rating Match predictor Win chances for a match from both players' UTR. Rating Rating impact How a win or loss could move your player's UTR.

College

See where your player fits in college tennis today.

College College fit + gap Which divisions fit your player now, and the gap to each target.

Track

Follow progress over the season and never miss an entry deadline.

Track Progress tracker Log ratings over time and see the trend against college targets. Track Tournament deadlines Track the events you plan to play and get a reminder before entry closes.

Gear

Pick the right string and know when a restring is due.

Gear String finder Answer a few questions and get string matches from our database. Gear String log Record string, tension and date. Get a reminder when a restring is due.

A note on accuracy

These calculators are educational tools based on publicly available research and documentation. The actual UTR and WTN algorithms are proprietary, so our calculations are approximations. Use them to understand general trends and make informed decisions, but always check official sources for your actual ratings.

UTR is a registered trademark of Universal Tennis. WTN is a trademark of the International Tennis Federation. These tools are not affiliated with or endorsed by either organization.