Swapping a gas cooktop for induction is simplest when the new one drops into the existing hole. Enter your bench cut-out, or look up your current cooktop by model number, to see which induction models fit as is and which need the hole enlarged.
Induction cooktops for this hole
0
drop straight in
"Drops in" means the hole is at least the cut-out the manufacturer asks for and the new glass still covers it. "Needs enlarging" means a stonemason or cabinet maker has to widen the hole. Always confirm against the installation manual before buying. Prices are typical retail prices when the list was compiled and will change.