# Mulch and Soil Calculator

> Mulch and soil calculator: convert bed dimensions into cubic yards of mulch, soil, or compost for accurate landscape material orders. Free, no signup.

- **Canonical URL:** https://boringtoolskit.com/mulch-soil-calculator/
- **Category:** Construction & Measurement
- **Evidence level:** authored-methodology
- **Reviewed:** July 26, 2026
- **Last verified:** 2026-10-12
- **Privacy:** Inputs and results stay in this browser unless the page clearly labels an external request.

## How it works

Cubic yards = length (ft) x width (ft) x depth (in) / 12 / 27, multiplied by (1 + waste).

## Worked example

200 sq ft at 3 inches deep with 5% waste: 1.85 cubic yards base, 1.94 with waste, about 27 two-cubic-foot bags or 18 three-cubic-foot bags.

## Common questions

### How does the mulch calculator determine the amount of mulch I need?

Our mulch calculator uses your inputted area dimensions and desired depth to calculate the exact volume of mulch required in cubic yards or feet.

### Do I need to create an account or sign up to use the mulch calculator?

No, this is a no-signup, browser-based tool, so you can calculate your soil and mulch needs instantly without creating an account or sharing personal data.

### Is my input data safe when using the mulch calculator?

Yes, because it is a no-signup, browser-based tool, all calculations are processed locally on your device and no personal data or inputs are ever stored or transmitted.

## Sources

- [Calculation methodology](/methodology/)
- [Quality evidence and verification standard](/quality-evidence/)

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