Gravel Calculator – Tons, Yards & Cost Estimator

Introduction

Whether you're laying a driveway base, filling a path or topping up a patio, ordering the right amount of aggregate matters. Trencada's free Gravel Calculator covers crushed stone, pea gravel, river rock and sand — enter your dimensions and get the volume in cubic yards, weight in tons (with waste allowance), the equivalent number of 50-lb bags, and an estimated cost. All in your browser, no signup.

How to Use

1. Enter the length and width of the area in feet and the depth in inches (4 inches is a typical base layer).
2. Choose your material — the density used in the calculation is shown next to each option.
3. Pick a waste allowance (10% is the safe default) and optionally enter the price per ton.
4. Click Calculate — cubic yards, tons, 50-lb bag count and estimated cost appear instantly.
5. Use Reset to clear everything and start a new estimate.

Key Features

• 4 materials with real densities: crushed stone 1.40, pea gravel 1.35, river rock 1.50, sand 1.30 tons per cubic yard
• Cubic yards, tons with waste, and 50-lb bag equivalents
• Waste allowance selector (5%, 10%, 15%)
• Optional price-per-ton cost estimate
• Mobile-friendly and dark-mode ready

Why Choose Trencada

Free forever, no account, no limits. The calculator runs 100% in your browser — nothing leaves the device, and your project details stay private.

Frequently Asked Questions (FAQ)

• Is the gravel calculator free? Yes — unlimited estimates, no signup.
• How much gravel do I need for a driveway? Enter the length, width and depth — the tool converts it to tons and cubic yards instantly.
• How many 50-lb bags equal a ton? 40 bags. The tool shows the bag equivalent automatically.
• How accurate is the estimate? It's a reliable starting point based on standard material densities — confirm the final quantity with your supplier.