Introduction
Measuring a rectangular flower bed is simple.
Measure the length.
Measure the width.
You're ready to calculate how much material you need.
Irregular landscape projects can seem much more complicated.
Whether you're planning a mulch bed around a tree, installing decorative rock around a mailbox, refreshing a curved landscape bed, or creating a border around an above-ground swimming pool, it's easy to think every shape requires a different measuring method.
It doesn't.
The secret is simple:
Don't measure the shape. Measure the pieces.
Instead of treating an irregular area as one complicated shape, divide it into several smaller, easy-to-measure sections.
Measure each section.
Combine the measurements.
Step 1: Break the Project Into Simple Sections
Most homeowners see curves, circles, and irregular edges and assume they need complicated math.
Experienced landscapers usually do something much simpler.
Before measuring anything, they mentally divide the project into smaller, easy-to-measure sections.
A curved bed becomes several short sections.
A landscape island becomes a combination of straight and curved pieces.
A winding bed becomes a series of manageable measurements.
Instead of asking,
"How do I measure this shape?"
Ask,
"How can I divide this into simple pieces?"
Once you've answered that question, the project becomes much easier.
Step 2: Measure Each Section
Start with the easiest section.
If part of the landscape bed runs straight along your house, begin there.
Measure its length.
Measure its width.
Write the measurements down before moving on.
A notebook or your phone works well.
Continue measuring one section at a time.
If you reach a curved area, don't follow the curve with the tape measure.
Instead, divide it into shorter sections and measure each one separately.
If one section widens slightly from one end to the other, choose a practical width that reasonably represents that section.
You're creating a useful estimate, not an engineering drawing.
Step 3: Measuring Circular Projects
Circular projects are even simpler than many homeowners expect.
Instead of measuring around the edge, measure straight across the center.
That gives you the widest distance across the circle.
Very few landscape beds are perfectly round.
Choose a measurement that reasonably represents the overall size.
That's usually all you need.
When the project surrounds an object—such as a tree, fire pit, fountain, or above-ground swimming pool—you'll simply measure two circles:
- the outside edge
- the object in the center
Those two measurements describe the landscape ring that will receive mulch or decorative stone.
Applying the Same Techniques
Once you understand these basic measuring methods, you can apply them to almost any landscape project.
A mailbox bed combines straight sections with gentle curves.
A landscape island becomes several simple sections.
A kidney-shaped flower bed is divided into manageable pieces.
A long winding landscape bed is measured one section at a time.
An above-ground swimming pool border is simply a larger landscape ring.
The project changes.
The measuring process stays the same.
Common Measuring Mistakes
Most measuring mistakes happen before the tape measure is even extended.
The first mistake is assuming an irregular landscape must be measured as one complicated shape.
Instead, begin by looking for the simplest section and work from there.
Another common mistake is trying to make every measurement perfect.
Landscape projects are practical by nature. Beds are shaped by hand, edges are adjusted during installation, and slight variations are normal.
A reasonably accurate measurement is usually all you need.
Finally, before putting the tape measure away, review your notes.
Make sure every section has been measured and recorded. Catching a missing section while you're still standing in the yard is much easier than returning later to measure it.
Using the Product Calculator
Once you've measured each section and organized your measurements, you're ready for the final step.
Visit the appropriate product page on the Mulch & Stuff website for the material you plan to purchase.
On that product page, enter your measurements into the Product Calculator.
The Product Calculator will help you determine how much you'll need.
By this point, you've already completed the most important part of the job.
You've broken the project into simple sections, measured each one, and organized your measurements.
Entering those measurements into the Product Calculator is simply the final step that helps you estimate the quantity of material you'll need.
Related Reading: Once you've calculated how much material your project requires, the next step is determining how you'll transport it. Learn how much bulk landscape material different pickup trucks and trailers can safely carry in our guide: How Much Bulk Landscape Material Fits in a Pickup Truck or Trailer?
Final Encouragement
Every irregular landscape project follows the same basic process.
Break the project into simple sections.
Measure each section.
Organize your measurements.
Visit the appropriate product page on the Mulch & Stuff website.
Enter your measurements into the Product Calculator on that product page.
Determine how much material your project requires.
Whether you're creating a mulch ring around a tree, refreshing a curved flower bed, measuring a landscape island, or installing decorative stone around an above-ground swimming pool, the process is the same.
The more projects you measure, the more naturally you'll begin seeing simple shapes instead of complicated ones.
And that's the one lesson to remember every time you pick up a tape measure:
Don't measure the shape. Measure the pieces.
Continue Learning: Looking for more practical landscaping guidance? Visit our Educational Resource Center for additional articles covering project planning, measuring, material selection, delivery planning, and other helpful resources to make your next landscape project easier and more successful.
