What is Coil diameter?
The size of the induction coil under the glass, not the glass itself.
Short answer
The printed circle on the glass is often larger than the actual coil.
Coil diameter when buying a induction cooktop
The size of the induction coil under the glass, not the glass itself.
Why it matters: It decides how evenly your vessel heats. A 20 cm coil suits most Indian kadhais.
Look for: The printed circle on the glass is often larger than the actual coil.
Full Induction Cooktop buying guide