Card Centering Calculator
Jade Lizard Software LLC / Allegro Creative
About this app
- Age 10
- Updated Sep 21, 2025
- OS IOS / Android
Editor reviews
Card Centering Calculator is a precise tool for trading card collectors to measure border widths and calculate centering percentages in seconds. Use your camera or import a photo, then adjust on-screen edge guides for quick, accurate results. Get instant front and back centering with optional presets that align to common grading standards like PSA, BGS, and CGC. Save annotated images and share clean reports to help decide which cards to grade. Ideal for sports cards, Pokemon, MTG, and more, this utility streamlines pre-grading checks with a fast, easy workflow. Keywords: card grading tool, PSA centering calculator, trading card utility, centering measurement.
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How to use:
1. Download and open Card Centering Calculator, then allow camera and photo permissions if prompted.
2. Choose a grading preset or keep custom mode, and set your preferred units and tolerance.
3. Capture a well-lit photo or import an image, then drag the edge guides to align with each card border; use Manual Input if you prefer to enter measurements.
4. Review the calculated front and back centering percentages and pass or fail indicators based on the selected standard.
5. Save or export annotated images and reports, and adjust presets or thresholds to compare outcomes across different grading standards.