FREE RESOURCES
BOWLING TOOLS
Free tools for bowlers and bowling centers.
BOWLIO offers a suite of free interactive tools designed to help bowlers and bowling center operators make smarter decisions. Use our Size Finder to convert shoe sizes between EU, US, and UK systems. Practice your spare conversions with the Spare Trainer. And if you run a bowling center, our Rental Calculator helps you determine exactly how many pairs of rental shoes you need based on your lane count and visitor traffic. All tools are free, no registration required.
Score Tracker
Track your scores and monitor your improvement over time.
Spare Trainer
Practice spare conversions with interactive visual guides.
Size Finder
Find your perfect bowling shoe size with our measurement tool.
Rental Calculator
Calculate rental shoe ROI for your bowling center.