About this app
PAX Calculator makes it easy to calculate and compare indexed times for SCCA autocross competition. FEATURES: - Calculate PAX indexed times from raw times - Compare times between different classes - See exactly what time you need to beat competitors in other classes - View complete list of current PAX and PSI class factors - Switch between standard PAX and ProSolo PSI indexes - No login required, no ads, no data collection Whether you're trying to figure out your indexed time or comparing your performance against competitors in different classes, PAX Calculator gives you instant answers. Perfect for autocross competitors who want quick, accurate calculations at events or while reviewing results. This is an independent application created by an SCCA member. It is not affiliated with, endorsed by, or an official product of the Sports Car Club of America™ (SCCA®).
Latest release
What’s New
- Updated PAX values - Updated app name display - Added SCCA disclaimer
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 6, 2026 · 12:26 PM Free
Screenshots
