Landscaping DIY Tips & Tricks

How Much Landscape Rock Do I Need? With Calculator!

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- By Russell Jones

creating a garden that you'll love can be an exciting journey. The perfect garden starts with the right amount of landscape rock, and our guide can help you get it right. Our rock size calculator lets you know exactly how much rock is needed for your project.

Planning your Project

There are two main factors when calculating how much rock you need for your project: The size of the area and How deep do you want the rock to be


Tools you will need: – Measuring Tape – Calculator

Landscaping PRO TIP:

Use rock as mulch only in beds for plants that require minimal moisture, like alpine plants and cacti.


Calculate Rock Coverage

To calculate this size, measure the length and width of the project area. Multiplying those numbers will give you the square footage (or square meters for our metric friends).

How Deep Should The Rock Be?

The next step is deciding how deep you want your rock coverage. For most purposes, 2 inches (or 50mm) of landscaping rock is adequate.

Landscaping Rock Calculator Chart

Check out our handy chart to calculate how much rock you need.

Auto Landscaping Rock Calculator by Phyxter!

Using this chart, you will be able to estimate the amount of material you will need.

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