About The Gravel Calculator

The Gravel Calculator was built to take the guesswork out of landscaping projects. Whether you are a homeowner planning a weekend driveway upgrade or a contractor estimating materials for a client, our tool gives you fast, accurate estimates for gravel, soil, and mulch — completely free.

Our Mission

Ordering landscaping materials should not require a spreadsheet or a phone call to the supplier for a rough estimate. We built this calculator so anyone can enter their project dimensions and get instant volume, weight, and cost estimates — no signup, no downloads, no fuss.

How It Works

Pick your material from 10+ gravel types, 6 soil types, or 6 mulch types. Enter your project dimensions using auto-detect, manual entry, or photo scale. The calculator instantly computes volume in cubic feet, cubic yards, or cubic meters — then converts to weight in pounds, kilograms, or tons. Enter your local price to see total material cost.

Who It's For

Our calculator is designed for homeowners, DIY landscapers, gardeners, and small contractors. Anyone who needs to estimate how much material to order for a project. It is also a useful reference for students and educators working on geometry or landscaping coursework.

Accuracy You Can Trust

Every material in our database includes accurate density data sourced from industry references. Pea gravel weighs approximately 1.28 tons per cubic yard. Topsoil weighs about 2,200 lbs per cubic yard. Hardwood mulch comes in at roughly 1,100 lbs per cubic yard. These are not rough estimates — they are the same numbers landscaping professionals use.

Built with Care

The Gravel Calculator is a modern web application built with Astro and Tailwind CSS. It works on any device — phone, tablet, or desktop. No app to install, no account to create. Just open the site, enter your numbers, and get your estimate.