Baseball Card Tools
Free calculators and lookups to make smarter collecting decisions. No signup, no fluff.
Most popular
Grading ROI Calculator
Should you send that card to PSA, SGC, or CGC? Enter your numbers and see the expected profit — and the break-even — before you spend a dime on grading.
Open tool → NewCard Centering Calculator
Centering is the first thing a grader measures. Enter your border widths to get your exact front centering (like 55/45) and the highest PSA grade it could support.
Open tool → NewCollection Value Tracker
Log your cards and track your collection's total value over time — saved privately in your browser, no signup. One-click eBay sold comps for every card.
Open tool →