According to marble most kitchen islands come with 1 1 2 inches of overhang as standard.
Kitchen island granite overhang.
However many people want to use their kitchen island as a seating area too.
Kitchen islands breakfast bars and counters with overhangs allow for comfortable seating with legroom beneath the countertop.
A raised bar should be between 42 to 48 inches high.
With this type of cantilevered countertop it is usually best to have some kind of braces supporting the counter overhang.
Remember overhangs made from stone even as strong as granite require the proper support to prevent cracking under the weight there is a limit to the length of an overhang.
If you plan on putting an overhang on your kitchen island or at the bar top be sure to support it properly.
However as with regular countertops custom kitchen islands may have different overhang measurements.
Typically anything over 10 overhang dimension needs support with either brackets or posts.
The countertop can overhang the cabinet to allow for leg room.
Kitchen island countertop.
The extra little bit of coverage helps protect the cabinets or appliances below from any spills or crumbs from the top of the island.
If you plan to extend the counter farther you need to add supports such.
For most kitchen island designs if there will be seating at the island you ll want to have a minimum width of three feet.
Check with your granite supplier to see what they recommend.
The standard overhang for kitchen island countertops is 12 inches.