Badminton toolkit
Original interactive tools that answer one question at a time — built to be linked from the finder and from any deep-dive that references them. No signup; nothing leaves your device.
- Converter
Skill-level converter
Convert your badminton level between common rating systems — China 中羽 1–10, BadmintonEngland tiers, USA Badminton, BAM, SBA, and IntoBadminton's 4-tier internal scale.
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- Calculator
String tension calculator
Get a tension range starting point based on your level, frame, and arm-comfort signals. Optimised to anchor a stringer conversation, not replace one.
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- Explainer
Racket balance explainer
Drag the balance-point slider and see which player style each band suits. Built on top of our balance-vs-swing-speed guide.
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- Reference
Court dimensions diagram
BWF singles vs doubles court diagram with hover hotspots. Cited from the BWF Laws of Badminton.
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- Triage
Authenticity checker
Interactive 5-step counterfeit triage for Yonex / Victor / Li-Ning rackets. Score the seller, barcode, cone cap, grommets, and warranty path; get a verdict band.
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