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The easiest way to calculate a countertop's square footage is to divide your countertop into squares and rectangles, then multiply the length and the width of each piece in inches before adding them together and dividing by 144.

If the damage is minor, you can repair countertops without replacing them. You can also resurface a laminate countertop rather than replace it when it gets old and dingy. Countertop resurfacing is a relatively easy project, though it can be time-consuming, so you may prefer to hire a pro to do this for you.

You don’t need a cutting board. In fact, cutting is the original purpose of butcher block countertops. That said, wood is porous and can harbor germs. You’ll need to clean your countertop thoroughly after use. Knives can also scratch the surface. This adds to the patina of the wood, but not everyone likes the look—in which case, you may want to use a cutting board.

The frequency for sealing granite countertops depends on several factors, including the type of sealant used, the color of the granite, and how heavily the countertops are used. As a general guideline, resealing is often recommended every 12 to 18 months, but some sources suggest it could be as often as every few months or at least once a year.

The type of sealant is a major factor: water-based sealants may need reapplication every six months to a year, while more durable solvent-based sealants can last for five to 10 years. Additionally, factors like heavy kitchen traffic, frequent use of acidic cleaners, and lighter granite colors may require more frequent sealing to prevent staining.

To determine if your countertops need resealing, you can perform a simple water test. Place a few drops of water or a wet paper towel on an inconspicuous area of the granite. After 10 to 15 minutes, check the spot. If the water has beaded up, the seal is still intact. If the water has been absorbed and darkened the stone, it's time to apply a new coat of sealant. You can choose to seal the granite yourself or hire a professional to ensure it's done correctly.