Free Mulch Calculator - Instantly Estimate Mulch Needs
Instantly estimate the amount of mulch you need for your garden beds. Includes expert tips, coverage tables, and answers to common questions.
Mulch Calculator
Enter your bed dimensions and desired depth to calculate cubic yards needed.
How to Use the Mulch Calculator
Step-by-step guide to accurately calculate mulch needs for any garden bed.
- Measure Your Bed: Measure the length and width of your garden bed in feet. For irregular shapes, break into rectangles and add the areas.
- Decide on Mulch Depth: Choose your desired mulch depth in inches. 2-3 inches is typical for most beds.
- Enter Values: Input the length, width, and depth into the calculator.
- Calculate: Click Calculate to see the cubic yards of mulch needed.
Quick Mulch Answers
Voice search and featured snippet optimized answers
How do I calculate how much mulch I need?
Multiply length × width × depth (in inches), then divide by 324 to get cubic yards.
What is the formula for mulch volume?
Cubic Yards = (Length × Width × Depth) ÷ 324 (L/W in feet, Depth in inches)
How deep should mulch be?
2-3 inches is ideal for most beds.
How much does 1 cubic yard of mulch cover?
1 cubic yard covers 324 sq ft at 1 inch deep.
Mulch Coverage Reference
Mulch Tips
- Measure your beds carefully for accurate results.
- Add 10% extra mulch for settling and irregular shapes.
- 2-3 inches is ideal for most beds to retain moisture and suppress weeds.
- Use landscape fabric under mulch to reduce weeds.
- Water new mulch to help it settle and stay in place.
Frequently Asked Questions
How do I convert inches to feet for depth?
Divide the number of inches by 12. For example, 6 inches = 0.5 feet.
How much mulch do I need for a circular bed?
Use the formula: Area = π × radius². Then use the calculator with your area and desired depth.
What is the best mulch depth?
2-3 inches is ideal for most landscaping to retain moisture and suppress weeds.