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Calcimator

Comic Book Value Calculator

Estimate comic book value based on CGC grade, key issue status, era, and census population data.

Inputs

Results

Estimated graded value ($)

$100.00

≈ 7 movie tickets

Grade multiplier1
Fair market value ($)$80.00
CGC grading cost ($)$40.00
Net after grading ($)$60.00
How to Use This Calculator
  1. Enter the guide value at Very Fine (8.0) from Overstreet or another price guide.
  2. Set CGC grade (0.5–10.0), key issue level (non-key, minor key, or major key), era, and census data.
  3. Review Estimated Graded Value, Grade Multiplier, Fair Market Value, and Grading Cost.
  4. Compare net profit after grading cost to determine if submitting raw copies is worthwhile.

How the result changes with CGC grade (0.5-10)

CGC grade (0.5-10)Estimated graded value ($)
1.45$8.00
3.82$18.92
6.67$63.40
9.05$197.50

What each input means

Guide value at VF ($)
Overstreet or other price guide value in Very Fine (8.0) condition.
CGC grade (0.5-10)
CGC numerical grade from 0.5 (Poor) to 10.0 (Gem Mint).
Key issue (0-2)
0=Non-key, 1=Minor key, 2=Major key (1st appearance, death, etc.).
Era (0-4)
0=Modern, 1=Copper, 2=Bronze, 3=Silver, 4=Golden Age.
Census at grade
Number of copies graded at this exact grade.
Census higher
Number of copies graded higher than this grade.

What each result means

Estimated graded value ($)
Estimated market value for a CGC-graded copy at this grade.
Grade multiplier
How many times the VF guide value this grade commands.
Fair market value ($)
Typical auction realization (~80% of retail estimate).
CGC grading cost ($)
Estimated cost for pressing + CGC grading at this value tier.
Net after grading ($)
Estimated value minus grading costs.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Guide value at VF ($) = 100, CGC grade (0.5-10) = 8, Key issue (0-2) = 0, Era (0-4) = 0 = 6 input(s) provided
  2. Calculate Estimated graded value
    Estimated graded value = guideValueVf * gradeMultiplier * keyMultiplier
    100 = $100
  3. Calculate Grade multiplier
    Grade multiplier
    1 = 1
  4. Calculate Fair market value
    Fair market value = estimatedValue * 0.80
    80 = $80

Engine last updated .

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