CGC Centering Standards: Tolerances for Each Grade, Front and Back
CGC assesses centering as a key grading factor, with specific front and back tolerances for top grades. Understand these requirements and measure your card’s centering before submitting.

CGC Centering Tolerances by Grade
CGC grades trading cards on a 1-10 scale. Centering is one of four main subgrades, along with corners, edges, and surface. For a CGC 10 Gem Mint, centering should generally be about 55/45 or better on the front and 75/25 or better on the back. CGC Pristine 10 requires near-perfect centering. Always check CGC’s published standards for the most current requirements, as they may update their policies.
How to Measure Card Centering
Accurate measurement of centering is crucial for predicting your card’s grade. Centering is expressed as a ratio (e.g., 55/45) reflecting the relative border widths. Manual measurement with a ruler can be imprecise. The Midpoint app can automatically detect card borders from a photo and calculate exact front and back centering percentages, helping you determine if your card meets CGC’s standards.
Why Centering Matters for CGC Grades
- Cards with off-center images may receive lower grades even if corners, edges, and surface are flawless.
- Both front and back centering are considered, but front centering has a greater impact on the overall grade.
- Cards just outside the 55/45 front or 75/25 back range are unlikely to achieve a CGC 10 Gem Mint.
Tips for Maximizing Your CGC Submission
- Measure both front and back centering before submitting using tools like Midpoint.
- Review CGC’s current grading guidelines on their website before each submission.
- Remember that centering is only one part of the grade; inspect corners, edges, and surface as well.
Measure your card's exact front and back centering in Midpoint - free to start - so you know its grade before you pay to submit.
Try MidpointFAQ
What is the centering requirement for a CGC 10 Gem Mint?
A CGC 10 Gem Mint generally requires about 55/45 or better centering on the front and 75/25 or better on the back. Always confirm with CGC’s published standards.
How does CGC grade centering compared to PSA?
CGC’s centering standards for a 10 Gem Mint are broadly similar to PSA, but always check each grader’s current requirements.
Can I measure my card’s centering before submitting to CGC?
Yes. You can use the Midpoint app to measure exact front and back centering from a photo before sending your card for grading.
Does centering alone determine my CGC grade?
No. Centering is one of four subgrades; corners, edges, and surface are also assessed and affect the final grade.
What centering is needed for a CGC Pristine 10?
CGC Pristine 10 requires near-perfect centering. Review CGC’s latest published standards for precise requirements.