Gravel Calculator

Estimate gravel volume and weight for a rectangular area.

Gravel Calculator helps you volume and weight of gravel for a driveway or path. Enter length, width, depth, and density, review the breakdown, and use the guidance below to understand what the number means — and what it does not. What the Gravel calculator does Gravel Calculator is built for materials, areas, volumes, and jobsite estimates. Volume and weight of gravel for a driveway or path. You enter length, width, depth, and density, then Simple Calculators computes the result instantly. Formulas match common contractor and DIY references for rectangular and simple shapes. How the math works US: cubic yards = length × width × (depth in inches ÷ 12) ÷ 27, and tons ≈ cubic yards × density. Metric: cubic meters = length × width × (depth in cm ÷ 100), and tonnes ≈ cubic meters × density. The formula: Cubic yards = length × width × (depth in inches ÷ 12) ÷ 27. Metric: cubic meters = length × width × (depth in cm ÷ 100). Weight = volume × density.