To measure a slab countertop, you take the Length x Width of each section, and add it together. This method is used because stone countertops are cut from large rectangular slabs, so measurements are approached in terms of rectangular pieces required.
Understanding Slab Measurement
When working with stone countertops, it's important to know that they originate from large rectangular slabs of material. The intricate shapes and lengths needed for your kitchen or bathroom are then cut from these larger pieces. Therefore, the process of measuring is focused on determining the total area based on the rectangular sections that will be cut from the slabs.
Think of your countertop layout not just as its final installed shape, but as the sum of rectangular areas needed to produce that shape. Even if a piece has curves or cutouts, the measurement typically accounts for the full rectangular area of the slab piece from which it was cut.
Steps for Measuring Slab Countertops
Following the principle of measuring based on rectangular sections, here are the general steps:
- Divide the Countertop: Break down the entire countertop layout into distinct rectangular or square sections. For an L-shaped counter, this would typically be two rectangles. A U-shaped counter might be three or more.
- Measure Each Section: For each defined section:
- Measure the Length (the longest dimension).
- Measure the Width (the shortest dimension).
- Always measure to the furthest points, ensuring you account for any overhangs or areas that will be cut from the slab.
- Calculate Area per Section: Calculate the area of each individual rectangular section using the formula:
- Area = Length × Width
- Sum the Areas: Add the area of all measured sections together to get the total estimated area needed.
Example Measurement Breakdown
Let's say you have an L-shaped countertop that you divide into two sections: Section A and Section B.
| Section | Length | Width | Calculation | Area (sq ft) |
|---|---|---|---|---|
| Section A | 10 ft | 2 ft | 10 ft x 2 ft | 20 sq ft |
| Section B | 6 ft | 2 ft | 6 ft x 2 ft | 12 sq ft |
| Total | 32 sq ft |
In this example, the total measured area is 32 square feet. This total area is what is used to estimate the material needed from the slabs.
It is highly recommended to have a professional templator take final measurements before cutting the stone to ensure accuracy and account for complex cuts, sink cutouts, edges, and structural supports. However, understanding this basic rectangular measurement approach helps in preliminary planning and estimating.
