Finding the right tire size calculator apps can be overwhelming with so many options. We've analyzed 249+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
Compare top Tire Size Calculator Apps (September 2026)
Find essential tire dimensions and receive suggestions for new tire sizes. Compare wheels visually and by specifications like offset and width. Discover factory tire sizes for your car and compare motorcycle tires across different measurement systems.
Calculate tire and wheel fitment for your vehicle. This app helps you understand tire stretch, rolling radius, and speedometer error. It also allows for multiple wheel comparisons and saving results as images.
What We Love
👍 Simple and intuitive interface
🚫 No ads or unnecessary content
✅ Useful for comparing wheel and tire setups
💡 Visualizes changes clearly
💰 Worth the cost/donation
🚀 Fast and easy to use
🤓 Helps find deals on off-size tires
🔧 Great for precise stance tuning
✨ Saves from buying wrong sizes
🏆 Long-term user satisfaction
💯 Accurate measurements
✅ Essential for customization
Room to Improve
🐛 Speed calculations incorrect
📏 Measurements can be backwards
🔠 Language issues (Russian)
🔄 Old version preferred by some
🎛️ Difficulty switching units (mm to inches)
📏 Sidewall height missing
📐 Graphic display issues with large tires
🎛️ Limited customization options for existing setups
What are the best tire size calculator apps for iPhone?
Tire Sizes tops our tire size calculator apps ranking as of September 2026, with a 4.6-star average from 58 App Store ratings, and it's free to download.
Are there free tire size calculator apps for iPhone?
Yes — 13 of the top tire size calculator apps we rank are free to download, including Tire Sizes and Tire Size Calculator ISO/LT.
Does Tire Sizes have ads or in-app purchases?
Tire Sizes has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
How many tire size calculator apps are on the App Store?
We track 249+ tire size calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
What is the factory tire size for my car in Tire Sizes?
Tire Sizes allows you to find the factory tire size for your specific car. This feature helps ensure compatibility and optimal performance by providing the original equipment manufacturer's recommended dimensions.
Can I compare different wheels using Tire Sizes?
Yes, Tire Sizes offers comprehensive wheel comparison features. You can visually compare wheels and also compare them based on specifications like offset and width, aiding in informed purchasing decisions.