Coin Grade Value Calculator
Estimate numismatic coin value from Poor-1 to MS-70 grade.
Shows how each step multiplies value for Lincoln cents, Morgan dollars, and Walking Liberty halves.
Coin value depends heavily on condition, measured by the Sheldon 1–70 grading scale. A one-grade difference can mean hundreds or thousands of dollars for scarce coins. This calculator estimates how a coin’s value changes across grades using typical market multipliers.
The Sheldon Grading Scale
| Grade | Code | Description |
|---|---|---|
| 1 | PO-1 | Poor, barely identifiable |
| 2–3 | FR-2 / AG-3 | Fair to About Good, heavy wear |
| 4–6 | G-4 / G-6 | Good, major design visible, flat details |
| 8–12 | VG-8 / VG-10 | Very Good, some detail in recessed areas |
| 15–20 | F-15 / VF-20 | Choice Fine to Very Fine, moderate wear on high points |
| 25–35 | VF-25 / VF-30 / VF-35 | Choice Very Fine, light wear on high points |
| 40–45 | EF-40 / EF-45 | Extremely Fine, slight wear on highest points only |
| 50–53 | AU-50 / AU-53 | About Uncirculated, trace wear on highest points |
| 55–58 | AU-55 / AU-58 | Choice AU, barely perceptible wear |
| 60–63 | MS-60 to MS-63 | Mint State, no wear but may have bag marks |
| 64–66 | MS-64 to MS-66 | Choice to Gem, few contact marks, good luster |
| 67–70 | MS-67 to MS-70 | Superb Gem to Perfect, virtually flawless |
Typical value multipliers
There is no formula here, and anyone who gives you one is selling something. Grade-to-value is a lookup, because the market decides it grade by grade, and the shape of the curve differs for every series. What this calculator uses is the rough consensus curve for a common-date US coin, measured against its G-4 price:
| Grade | Multiplier | Grade | Multiplier |
|---|---|---|---|
| PO-1 | 0.25× | AU-58 | 6.5× |
| G-4 | 1.0× | MS-60 | 8× |
| VG-8 | 1.2× | MS-63 | 12× |
| F-12 | 1.35× | MS-64 | 20× |
| VF-20 | 1.5× | MS-65 | 50× |
| VF-30 | 2.0× | MS-66 | 100× |
| EF-40 | 2.5× | MS-67 | 200× |
| AU-50 | 4.0× | ||
| AU-55 | 5.0× |
It climbs gently through the circulated grades and then goes nearly vertical above MS-63, which is where population reports thin out.
Worked example
Take a coin with a G-4 value of $30:
VF-20: $30 × 1.5 = about $45. EF-40: $30 × 2.5 = about $75. AU-55: $30 × 5 = about $150. MS-63: $30 × 12 = about $360. MS-65: $30 × 50 = about $1,500.
A warning about which coins this curve fits. Do not run it on a common-date bullion-floored coin like a 1921 Morgan dollar. That is the most heavily minted Morgan there is, its G-4 price is set almost entirely by its silver content, and the real MS-63 and MS-65 prices are a small fraction of what this curve predicts. The curve describes coins whose value is driven by condition rarity, not by metal. When the melt value and the G-4 value are close to each other, that is your signal that this is the wrong tool.
And whatever the curve says, check a current price guide. PCGS, NGC and the Red Book all publish real numbers by date and mint mark, which is what a buyer will quote at you.
The MS-63 to MS-65 Jump
The biggest value jump for most US coins occurs between MS-63 and MS-65. At MS-63, bag marks and contact marks are acceptable. At MS-65, only minor marks are allowed, and the coin must have above-average luster and strike. Population reports show far fewer coins certified at MS-65 or above, driving prices sharply higher.
Third-Party Grading
Professional grading services (PCGS, NGC) encapsulate coins in tamper-evident holders (“slabs”) with a grade label. Slabbed coins typically sell for 10–30% more than raw coins of the same grade because buyers trust the attribution and authenticity.
How we build and check this calculator
This calculator runs entirely in your browser, so the numbers you enter stay on your device. The math behind it is written by hand and tested against worked examples and standard references before the page goes live.
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