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Frying pan size is normally measured across the upper inside diameter from one rim to the opposite rim. The handle is not included. However, buyers should also record the base diameter, overall height, usable cooking surface, handle length, and total dimensions because two pans with the same stated size may fit and cook differently.
A pan described as 28 cm does not necessarily have a 28 cm flat cooking surface. Sloped sides make the bottom smaller than the top opening.
| Measurement | How to Measure It | Why It Matters |
|---|---|---|
| Top diameter | Straight across the upper inside rim | Common advertised pan size |
| Cooking-surface diameter | Across the flat interior bottom | Determines how much food contacts the heat |
| External base diameter | Across the bottom that contacts the stovetop | Affects burner and induction-zone matching |
| Pan depth | From the interior bottom to the upper rim | Controls capacity and splashing |
| Overall height | From the outer base to the highest rim point | Important for storage and packaging |
| Handle length | From the pan wall to the handle end | Affects balance and stovetop clearance |
| Total length | From the opposite pan edge to the handle end | Determines shelf, oven, and carton space |
| Capacity | Fill volume stated in liters or quarts | Useful for sauces and shallow cooking |
Record all dimensions in millimeters when preparing production drawings or comparing factory samples.
Place the frying pan on a level surface.
Measure from the inner edge of one upper rim directly across the center to the inner edge on the opposite side.
Keep the measuring tape or ruler straight. Measuring at an angle produces a larger and inaccurate result.
Some suppliers list the outside rim diameter instead of the inside opening. Confirm which method is being used before comparing two products.
For a frying pan with a pouring lip, measure the standard circular rim rather than extending the measurement through the spout.
Turn the pan upright and identify the flat section inside the bottom.
Measure across this area before the sidewall begins to curve upward. This is the practical cooking-surface diameter.
A 30 cm frying pan with steep walls may provide a larger flat area than another 30 cm pan with strongly flared sides.
The usable surface affects how many steaks, eggs, fish portions, or sausages can cook in one layer.
Food crowded beyond the flat area may contact cooler side sections and cook unevenly.
Turn the empty, cool pan upside down.
Measure the flat external base that sits on the burner or induction zone. Do not include rounded corners that do not make stable contact.
This dimension is important for:
Electric solid plates
Ceramic cooktops
Induction zones
Portable burners
restaurant ranges
Pan-storage racks
A pan much wider than the active heating zone may develop greater temperature differences between its center and edge.
For induction use, the magnetic base must also meet the cooktop’s minimum detection requirement.
A replacement lid is selected according to the pan rim and lid-seat structure rather than the advertised pan size alone.
Measure the internal opening where the lid rests. Check whether the pan uses:
A flat rim
A rolled rim
An internal ledge
A flared edge
A pouring spout
A locking or vented lid
Measure the lid’s lower seating ring when an existing lid is available.
A lid that is slightly too large may slide, while one that is too small can fall into the pan. Obtain the manufacturer’s matching-lid specification whenever possible.
Smaller pans around 18–20 cm are suitable for eggs, individual portions, and compact kitchens.
Medium pans around 24–26 cm handle everyday vegetables, fish, and small meat portions.
Larger pans around 28–32 cm provide more area for family meals, restaurant portions, and batch cooking.
The best size depends on food volume, burner size, storage space, pan weight, and user strength.
A complete retail programme often includes at least three sizes so customers can select the pan according to their cooking habits.
Importers and cookware brands need more information than the top diameter.
A product specification should also record:
Body thickness
Base construction
Pan weight
Rim profile
Handle material
Handle projection
Rivet or weld position
Maximum oven temperature
Induction-base diameter
Lid compatibility
Carton dimensions
Units per master carton
These measurements affect cooking performance, freight planning, shelf display, and compatibility with accessories.
As a Stainless Steel Frying Pan Wholesale Supplier, we manufacture flat frying pans, non-stick cooking pans, Griddle Pans, stock pots, GN Containers, and other commercial kitchenware.
Our 10,000-square-meter factory includes independent workshops, automated production equipment, an R&D team, assembly processes, and quality inspection from raw materials to finished products.
Wholesale customization can cover:
18–32 cm and project-specific sizes
Top and base diameters
Pan depth
Stainless steel thickness
Composite-bottom structure
Handle dimensions
Finish or coating
Logo
Labels and packaging
We can work from a technical drawing, reference sample, or target size range.
Send us the top diameter, usable base size, pan depth, body thickness, handle dimensions, lid requirement, quantity, and target market.
Our team can confirm an existing model or prepare an adjusted specification. Wholesale quotations can include samples, dimensional inspection, OEM/ODM changes, branded packaging, and coordinated bulk shipment.
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