Can you use a knife on granite?

Author: Tyrese Franecki  |  Last update: Tuesday, March 3, 2026

Granite is tough and can withstand the blade of a knife. However, over time your countertops may develop scratches that will dull the appearance of the stone.

Will a knife scratch granite?

Granite is one of the hardest natural stones available, rated just below diamonds on the Mohs scale of mineral hardness. This makes it incredibly durable and resistant to scratching. Technically speaking, you could cut directly on a granite countertop and not damage the surface.

Can you cut things on a granite countertop?

Granite is one of the most durable countertop materials you can buy, and it can certainly withstand cuts from a knife blade. However, if your granite has a sealer on it, cutting can eventually wear down the sealant.

Does granite dull knives?

Avoid using your knife on surfaces made of glass, granite, marble, or ceramic. These materials are much harder than steel and will weaken your knife's edge. Even a quick slice on a ceramic dinner plate, a marble cheese board, or a granite countertop can dull your knife.

What is the best tool to cut granite?

Granite can be cut with a good quality diamond blade. A 9''grinder is fine but a stihl saw with clutch would be safer though if you have access to one. The water suppressor on a stihl saw also helps reduce chipping on something very hard like granite.

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Can granite be cut by hand?

Yes, but you need to take care and work slowly. Cutting a granite countertop requires attention, precision and a steady hand. If in doubt, or if you're not confident with precise DIY, we recommend you hire a professional to cut your granite worktop for you.

Do you need a special blade to cut granite?

When cutting granite, the most effective and reliable blade is a diamond blade specifically designed for stone cutting. Granite is an extremely hard and durable material, so only a blade with the hardness and precision of industrial-grade diamonds can efficiently cut through it. Best For: Dry or wet cutting granite.

How often should I reseal granite?

Your granite countertop is sealed when installed, and it is recommended that it be resealed one year after installation or sooner if you start to notice water stains that evaporate slowly in a given area. You might also consider sealing granite if you are selling your home.

Can I put a hot pan on a granite countertop?

While you can technically place a hot pan directly on your countertop briefly without sustaining long term damage, it's not a good idea to do so. There are several reasons why we always recommend using a trivet, pad or potholder when placing a hot pan on a granite countertop.

What is the best thing to clean granite countertops with?

Cleaning Granite Countertops

Frequent use of vinegar, Windex or bleach will dull the granite and weaken the sealant. Instead, a little soap and water should do the trick. Add dish soap and warm water to a sponge, get a good lather and begin cleaning. Avoid using abrasive pads, as granite can be scratched.

How to cut granite DIY?

Granite can be cut wet or dry using a circular saw or an angle grinder. Cutting wet granite requires a wet-cutting saw that you can rent or buy from nearby hardware stores. Both wet and dry cutting emit fine residues that appear like a slurry substance during wet cutting and a cloud of dust for dry cutting.

Is quartz cheaper than granite?

Which is more expensive, quartz or granite? Both quartz and granite maintain their value for many years to come, and the materials cost approximately the same, with quartz being slightly less expensive. However, luxurious quartz products can be as expensive as granite slabs.

What is the best homemade granite sealer?

Mineral Oil: Mineral oil is a common and natural option for sealing granite countertops.

Can you put a microwave on a granite countertop?

Yes, you can place a microwave on a granite countertop.

Granite worktops offer a sturdy and visually appealing surface for placing kitchen appliances, and the weight-bearing capacity of the granite needs to be validated against the microwave's weight.

Can you use a razor blade on granite?

Granite countertops are beautiful and, when cared for properly, can last for decades in pristine condition. Make sure you never use any harsh cleaners or scrubbing pads on your countertops. Instead, wipe them daily with warm soapy water and use a razor blade to carefully remove any tough stains.

Is it OK to cut on granite?

Yes, but you shouldn't. Although your knife blades won't damage the granite itself, they can wear down the seal over time. Plus, the granite counter is hard enough to actually dull your knife. That's why it's always a good idea to use a cutting board even if you have a stone countertop made from Granite or quartz.

Can you put a hot cup of coffee on a granite countertop?

Granite is heat-resistant but you should still place hot pans on pads or trivets rather than directly on the surface to be safe. Use coasters for cups, glasses and bottles.

Can you put a crockpot on a granite countertop?

As with any natural stone, certain exposure to heat may cause cracks due to thermal shock. We do recommend that you always place them on a trivet or cutting board to protect your countertop. (Review your electric appliance manual as a reference.)

Can I stand on my granite countertop?

Granite is a natural rock with fascinating fissures and stunning striations or veins. But these striations are vulnerable to cracking under excessive weight. So don't climb or stand on the countertops to reach things, change light bulbs, paint or anything else. Use a sturdy stool or step ladder; it's safer anyway.

What happens if you don't seal granite every year?

If left unsealed, granite countertops can become vulnerable to stains and damage over time. Granite, being a porous material, naturally absorbs liquids. Without proper sealing, liquids spilled in the kitchen, such as wine, oil, coffee, or food can seep into the pores, leaving behind stubborn stains.

Why do my granite countertops always feel dirty?

This soft, malleable material can trap dirt within its layers and, as it accumulates, can give the surface a yellow hue. This issue is commonly reported when someone believes their granite counters need repolishing. Wear on surfaces is typically caused by grinding sand or dirt underfoot.

How much does it cost to reseal granite countertops?

The process takes less than an hour of hands-on time and some periods of waiting—total time varies depending on how much surface space you have. Countertops need to be resealed every year, depending on how much you use them. If you'd prefer to leave the task to the pros, expect to pay between $170 to $350.

How do professionals cut granite?

Cutting granite begins with a diamond blade, the most important tool for the job. Diamond blades, embedded with synthetic diamonds, are designed to handle the hardness of granite, delivering clean and efficient cuts.

How do you polish granite?

Make a mixture of three parts baking soda to one part warm water, and combine until smooth. Apply a thin layer of the paste to your granite surface, and gently buff with a clean cloth. Wipe away any residue with a damp cloth and dry the granite for a smooth, shiny surface.

What is the best tool to cut granite countertops with?

Ear, eye, and dust protection are essential. The primary cutting tools for granite are a circular saw or an angle grinder.

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