Griswold Skillet Size Numbers — Chart & Dimensions
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Vintage cast-iron 'size numbers' are an old stove-lid sizing system, not inches. On Griswold skillets the common sizes map roughly to: No. 3 ≈ 6.5", No. 4 ≈ 7", No. 5 ≈ 8", No. 6 ≈ 9", No. 7 ≈ 10.25", No. 8 ≈ 10.5", No. 9 ≈ 11", No. 10 ≈ 11.75", No. 11 ≈ 12.5", No. 12 ≈ 13.25", No. 14 ≈ 15". The No. 8 is the most common and useful, so it has the steadiest demand; very small (No. 2–3) and very large (No. 12–14) sizes are scarcer and can command premiums. Measure across the top rim to confirm the size.
What drives the value
Size scarcity
Common No. 6–8 vs scarce very-small/very-large sizes affects demand and price.
Recent sold comparables
This is a reference/how-to page; see individual maker pages for value ranges.
Frequently asked
What size is a No. 8 skillet?
About 10.5 inches across the top — the most common everyday size.
Do the numbers mean inches?
No — they come from an old stove-lid sizing system. Measure across the top rim to translate the number to inches.