Mulch Calculator

Calculate mulch volume, weight, and cost for gardens, flower beds, and landscaping projects. Estimate mulch needed for your gardening and landscaping project.

Mulch Calculator

Mulch Results

Enter dimensions to calculate mulch needed

Mulch Types & Applications

Mulch Types

  • Wood Mulch: Natural wood chips, good for general use
  • Bark Mulch: Tree bark, decorative and long-lasting
  • Pine Mulch: Pine needles, acidic, good for acid-loving plants
  • Rubber Mulch: Recycled rubber, long-lasting, good for playgrounds
  • Compost Mulch: Organic compost, adds nutrients to soil

Project Applications

  • Garden Beds: 2-3 inches depth, wood or bark mulch
  • Flower Beds: 2-3 inches depth, decorative mulch
  • Tree Rings: 3-4 inches depth, keep away from trunk
  • Landscaping: 2-4 inches depth, various mulch types

About the Mulch Calculator

Our free mulch calculator estimates cubic metres, cubic yards, or bags of mulch needed for garden beds and landscaping. Enter length, width, depth, and mulch type. Order a little extra for settling. For gravel use our gravel calculator; for soil and area try our area calculator.

You may also find our gravel calculator and area calculator useful.

Frequently Asked Questions

How much mulch do I need?

Multiply length × width × depth in the same units. This calculator gives volume and approximate bags based on common bag sizes.

What depth for mulch?

2–4 inches (5–10 cm) is common for weed suppression and moisture. Deeper for paths or decorative layers.

How many bags per cubic metre?

Depends on bag size (e.g. 40 L, 60 L). The calculator estimates; check your supplier’s bag volume.