Cody Casey
Induction cooktops are becoming increasingly popular due to their fast heat-up times, energy efficiency, and easy cleanup. However, they require specific types of pans, and some materials are incompatible with this cooking method. Induction stoves use electromagnetic fields to generate heat, so only ferromagnetic pots and pans are suitable. Materials such as aluminium, copper, glass, and non-magnetic stainless steel are not compatible with induction stovetops and will not generate heat. To determine whether a pan is suitable for an induction cooktop, a simple test involving a magnet can be performed. If the magnet sticks to the bottom of the pan, it is ferromagnetic and will work on an induction stove.
| Characteristics | Values |
|---|---|
| Type of stove | Induction stove |
| How it works | Creates a magnetic field between the pot and the magnetic coils beneath the cooking surface |
| Pans that can be used | Ferromagnetic metal pans, such as cast iron, some types of stainless steel, enameled steel, nickel, or magnetic copper |
| Pans that cannot be used | Non-magnetic pans, such as ceramic, glass, non-magnetic copper, aluminium, and non-magnetic stainless steel |
| How to check if a pan is compatible | Hold a magnet to the bottom of the pan; if it sticks, the pan will work on an induction stove |
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What You'll Learn
Pans must be ferromagnetic
Induction cooking is a unique cooking method that uses a high-frequency induction coil beneath the cooktop's smooth surface to heat the cookware using a magnetic field. This magnetic field is created between the pot and the magnetic coils, and the energy generated in the electromagnetic field heats the contents of the pot. Therefore, for a cooktop to function, the cookware must be ferromagnetic.
Ferromagnetic cookware contains magnetic materials that attract magnets. Pans made of cast iron, some types of stainless steel, enameled steel, or magnetic stainless steel are examples of ferromagnetic cookware. To check if your cookware is ferromagnetic, simply hold a magnet to the bottom of the pan. If the magnet clings to the underside, the cookware will work on an induction cooktop.
Non-ferromagnetic cookware, such as ceramic, glass, non-magnetic copper, aluminium, and non-magnetic stainless steel, will not work on induction stovetops. This is because these materials do not attract magnets and will not interact with the electromagnetic energy generated by the cooktop. While non-compatible cookware will not damage the induction cooktop, it will not heat up, rendering it useless for cooking.
It is important to note that some non-stick pans may be compatible with induction stovetops if they have a ferromagnetic base. To test if a non-stick pan is compatible, use the magnet test described above. Additionally, some manufacturers have started adding a magnetic layer to aluminium and copper pans, making them compatible with induction cooktops. However, older, non-magnetic pans made of these materials will not work.
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Pans with flat bottoms are best
Induction cooking works by creating a magnetic field between the pot and the magnetic coils beneath the cooking surface. The energy created in the electromagnetic field heats the contents of the pot. Therefore, it is essential to use ferromagnetic pots and pans for induction cooking.
Ferromagnetic cookware is made entirely of (or contains) a layer of magnetic materials that attract magnets. If non-ferromagnetic cookware is used on an induction cooktop, it will not be detected by the burner and will not interact with the electromagnetic energy generated. Pans with flat bottoms are best for induction cooktops. For better heat distribution and more even cooking, use quality cookware with heavy bottoms. The flat bottom of the pan should be about the same size as the surface area of the burner used.
To check if your cookware is induction compatible, test if a magnet attaches to its base. If the magnet sticks to the bottom of the pan, it will work on an induction cooktop. Pans made from cast iron, enameled iron, magnetic stainless steel, or nickel will work best on induction cooktops.
Some non-stick pans can be used on induction cooktops, but only if they have a base made from a magnetic material. Non-magnetic materials such as aluminium, copper, glass, and non-magnetic stainless steel will not work on induction stovetops.
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Aluminium and copper pans often won't work
Ferromagnetic materials concentrate the magnetic field inside them, while outside of the pan bottom, there is almost no field left. Pans made of non-ferromagnetic materials, such as copper and aluminium, do not concentrate the field in the same way, and the field is more distributed across the space around the stove. This could be a safety hazard, as items placed near the stove, such as a watch, could get hot.
Copper and aluminium pans do not produce eddy currents when placed on an induction stove. Eddy currents are generated in the bottom of the cookware when it is placed on the stove surface, and the resulting heat cooks the food. However, the eddy currents generated in copper and aluminium pans are particularly small, and so no heat is produced.
To check if a pan is compatible with an induction stove, hold a magnet to the bottom. If the magnet sticks, the pan will work on an induction stove.
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Check for an induction compatibility symbol
To check if your cookware is compatible with an induction stove, look for the induction compatibility symbol on the bottom of the cookware. This symbol looks like a coiled spring or a coil of wire. If you see the word "induction" inscribed on the cookware, it is compatible with an induction stove.
Manufacturers have started putting induction compatibility symbols on their cookware to indicate that it can be used on an induction cooktop. The symbol will typically be stamped on the bottom of the cookware, and you can be sure that your cookware will work on an induction stove if you see this symbol.
If you do not see the induction compatibility symbol on your cookware, you can still check its compatibility with an induction stove by using a magnet. Hold the magnet to the bottom of the cookware, and if it sticks, the cookware will work on an induction cooktop. If there is no pull on the magnet, the cookware does not contain the right metals and will not generate heat on an induction stove.
Some non-stick pans may not have the induction compatibility symbol but may still be compatible with induction stoves. These pans may have a cast iron, enameled steel, or magnetic stainless steel base that can react with the cooktop to create heat. However, non-magnetic bases will not work on induction stoves.
It is important to use only ferromagnetic pots and pans for induction cooking. Ferromagnetic cookware is made entirely of or contains a layer of magnetic materials that attract magnets. Non-ferromagnetic cookware will not be detected by the induction cooktop and will not interact with the electromagnetic energy generated, resulting in the cookware not heating up.
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Some non-stick pans are compatible
Induction cooktops generate heat through electromagnetic energy, so you must use ferromagnetic cookware to cook on them. Ferromagnetic cookware is made of or contains a layer of magnetic material that attracts magnets. Non-ferromagnetic cookware will not be detected by the burner and won't interact with the electromagnetic energy generated.
However, some non-stick pans are compatible with induction stovetops, depending on their magnetism. Non-stick pans with a cast iron, enameled steel, or magnetic stainless steel base can react with the cooktop to create heat, but those with non-magnetic bases won't work.
To determine if your non-stick pan is compatible, simply hold a magnet to the bottom of the pan. If the magnet sticks, the pan is ferromagnetic and can be used for induction cooking. If there is no pull on the magnet, the pan does not contain the right metals and will not generate heat.
Manufacturers have also started putting an "induction compatible" symbol on the bottom of their cookware or noting compatibility on the packaging. This symbol is usually a stamped coiled spring.
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Frequently asked questions
Induction stove tops work by creating a magnetic field that heats up the pan. Therefore, only pans made of magnetic materials are compatible with induction stove tops.
To check if a pan is compatible with an induction stove top, hold a magnet to the bottom of the pan. If the magnet sticks, the pan is compatible.
Materials that are attracted to magnets, such as cast iron, enameled steel, and magnetic stainless steel, are compatible with induction stove tops.
Non-magnetic materials such as aluminium, copper, glass, and ceramic are not compatible with induction stove tops.
Induction stove tops are more energy-efficient than gas or electric cooktops, and they are also easier to clean. They also have a faster response time than traditional gas stoves and are safer because the burner won't heat up without a pan in place.
