How to Cut Granite Countertops

Advanced 15 min 19 steps 33462 views Rating: 4.7/5 Published: 2026-05-06

Clamp the countertop to a workbench or another stable surface.. Measure the space you have available for the countertop.. Lay painter's tape over the area you wish to cut.

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Steps

1

Clamp the countertop to a workbench or another stable surface.

Step 1

Clamp the countertop to a workbench or another stable surface.

2

Measure the space you have available for the countertop.

Step 2

Measure the space you have available for the countertop.

3

Lay painter's tape over the area you wish to cut.

Step 3

Lay painter's tape over the area you wish to cut.

4

Sketch a cutting outline on the tape with a pen.

Step 4

Sketch a cutting outline on the tape with a pen.

5

Put on a dust mask, safety goggles, and earplugs.

Step 5

Put on a dust mask, safety goggles, and earplugs.

6

Fit a diamond-tipped blade into a circular saw.

Step 6

Fit a diamond-tipped blade into a circular saw.

7

Make a small 2 in (5.1 cm) back cut with the saw.

Step 7

Make a small 2 in (5.1 cm) back cut with the saw.

8

Use the saw to complete the cut from the opposite end.

Step 8

Use the saw to complete the cut from the opposite end.

9

Repeat the process with any additional cuts you need to make.

Step 9

Repeat the process with any additional cuts you need to make.

10

Fit a diamond-tipped blade onto an angle grinder.

Step 10

Fit a diamond-tipped blade onto an angle grinder.

11

Lower the blade onto the guideline you wish to cut.

Step 11

Lower the blade onto the guideline you wish to cut.

12

Cut diagonally across rounded corners to make them easier to finish.

Step 12

Cut diagonally across rounded corners to make them easier to finish.

13

Trim the hole as needed by cutting along the outline again.

Step 13

Trim the hole as needed by cutting along the outline again.

14

Fit the appliance into the countertop.

Step 14

Fit the appliance into the countertop.

15

Choose a wet-cut circular saw with a diamond-tipped blade.

Step 15

Choose a wet-cut circular saw with a diamond-tipped blade.

16

Plug the saw into a ground-fault circuit interrupter (GFCI) outlet.

Step 16

Plug the saw into a ground-fault circuit interrupter (GFCI) outlet.

17

Slice into the countertop along the outline you drew.

Step 17

Slice into the countertop along the outline you drew.

18

Spray the saw blade to keep it moist as it works.

Step 18

Spray the saw blade to keep it moist as it works.

19

Wipe the cut edges off with a damp rag.

Step 19

Wipe the cut edges off with a damp rag.

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