stevenpineda.com
Know your
grade
before you send.
Enter your card's border measurements and instantly get centering ratios and projected grades for PSA, CGC, BGS, and SGC — with a live visual preview.
Measure once.
Grade right.
As you enter measurements, the card visual updates in real time. See exactly how your centering looks before you commit to a submission.
Instant left/right and top/bottom centering ratios, displayed in the industry-standard format used by graders and collectors worldwide.
Projected grades for PSA, CGC, BGS, and SGC simultaneously — each with their own centering standards and tolerances applied correctly.
Not just pass or fail — see exactly which grade your centering lands on for each service, so you can decide where to submit strategically.
Toggle between portrait and landscape card orientation. Works for standard cards, rookies, vintage, vintage-era horizontals — all of it.
No account, no upload, no delay. Enter your numbers and the result is immediate. Works offline. Nothing is stored or transmitted.
All the
major
services.
Professional Sports Authenticator. The most recognized name in card grading. PSA 10 centering: 55/45 or better on both axes.
Certified Guaranty Company. Known for modern cards and slabs. Prismatic 10 centering standard: 55/45 or better.
Beckett Grading Services. Uses a subgrade system. Their Pristine 10 requires 50/50 centering — the strictest standard in the hobby.
Sportscard Guaranty. Known for vintage cards and fast turnarounds. SGC 10 centering: 60/40 standard.
Know before
you send.
Measure your borders, enter your numbers, get your projected grades in seconds.
Works in any modern browser · Free · No account