Shuttlecock Speed Explained: 75–79, Speed Numbers and the BWF Speed Test
What shuttlecock speed numbers mean, which speed to use for your hall's temperature and altitude, and how to run the official BWF speed test.
6 min readComing soon · iOS & AndroidBadminton scoring,
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Score matches with BWF-accurate rules, run tournaments, and track ELO ratings — all from your phone.
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Features
Everything for match day
BWF-accurate scoring
Rally-point rules, deuce, serve tracking and court-switch handled by a shared rules engine.
Tournaments & brackets
Run knockouts, round-robins and group stages with automatic advancement.
ELO ratings
Every match updates player ratings so your club ladder stays honest.
Live match view
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AI rally insights
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Voice commands
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Free tools
Free badminton calculators
Badminton Calories Calculator
Estimate the calories you burn playing badminton by weight, duration, and intensity (casual, singles, doubles, competitive).
Badminton Skill Level Quiz
Answer a few questions to find your badminton skill band and an estimated rating range.
Badminton String Tension Calculator
Get a recommended racket string tension for your level and play style, plus court dimensions and shuttle speed reference.
Tournament Format Generator
Enter players, courts, and available time to get the best tournament format — knockout, round-robin, americano, or group-knockout.
Round Robin Generator
Paste your players or pairs and get a fair round-robin fixture list, with byes for odd numbers and matches spread across your courts.
Shuttlecock Speed Selector
Enter your hall temperature and altitude to get a starting shuttle speed on the 75–79 scale, then confirm it with the BWF speed test.
From the blog
Guides & rules
How to Choose a Badminton Racket: Weight (U), Balance and Flex
How to choose a badminton racket: 3U vs 4U weight classes, head-heavy vs head-light balance, shaft flex and grip size, with picks by level and style.
6 min readBadminton Round Robin: How to Schedule Fixtures Fairly
How to build a fair badminton round-robin schedule: match counts, the circle method, byes for odd numbers, court timings and tie-breakers.
5 min readGet Smash on your phone
BWF-accurate scoring, live match tracking, tournaments, and ELO ratings — all from the umpire's chair.
Coming soon toApp StoreComing soon toGoogle Play