Card Centering Calculator

TCG & Sports Card Grading Tool

Card Centering Calculator is the ultimate tool for measuring your card’s centering ratios for grading. Whether you’re working with Pokémon, One Piece, Lorcana, or sports cards like baseball, basketball, and football, the app provides real-time centering measurements (e.g., 55/45 or 60/40) and displays the highest potential grades from major grading companies, including PSA, BGS, SGC, CGC, TAG, and ACE. Wondering if your card has centering worthy of a perfect gem mint 10? Find out now!

Key Features

  • Card Scanner With Auto Centering Detection – Scan or upload your card, and let AI automatically calculate its centering ratios.

  • Precise Ratio Measurements – In addition to auto-detection, you can also manually place measurement guides on each side to achieve precise centering calculations. Use the zoom feature for ultra-accurate adjustments.

  • Grade Comparisons – Instantly see the best possible grades from PSA, BGS, CGC, SGC, TAG, and ACE as you adjust centering ratios, helping you choose the grading company that will give your card the highest grade based on centering.

  • Front & Back Side Grading – Measure centering for both the front and back of your card, as different grading standards often apply to each side.

  • Grading Standards Reference – An all-in-one handbook for the official centering standards from PSA, BGS, CGC, SGC, TAG, and ACE.

  • Advanced Settings & Customizations – Tailor auto-detection settings, grading preferences, colors, and more to suit your specific needs.

  • Off-Center Visualization Guide – Select any centering ratio (e.g., 65/35 or 75/25) and view a visual representation of an off-centered card. This feature helps you quickly assess and exclude poorly centered cards without needing to scan each one.

  • Compatible With All Cards – From TCG cards like Pokémon, One Piece, Yu-Gi-Oh!, Lorcana, and Magic: The Gathering to sports cards like baseball, basketball, and football, this app works with any card type you need to grade.

Questions, comments or suggestions?

Please reach out and we’ll get back to you typically within 24 hours