Construction

Instant, private, and free

Gravel Calculator.

Estimate gravel volume and mass from project dimensions and an explicitly selected material density.

On-device calculationNo signup
01

Set your values

Results update as you type.

cubicFeet: 100

cubicFeet

0.00
cubicYards: 4.07

cubicYards

0.00
cubicMeters: 3.11

cubicMeters

0.00
wastePercent: 10

wastePercent

0.00

Outputs use your entered dimensions and an explicit waste percentage; no material density is inferred.

FAQs

How accurate is a gravel estimate?

It is a planning estimate based on your dimensions and selected density; compaction, moisture, and supplier variation can change delivered quantity.

Use Cases

Plan a gravel driveway or path

Determine how much gravel you need to order for a new driveway, walkway, or patio base, ensuring you buy the right amount and avoid waste.

Example: A 20 ft by 10 ft driveway with 4 inches of gravel.

Estimate gravel for landscaping projects

Calculate the volume and weight of gravel for garden beds, drainage layers, or decorative rock features, helping you budget and schedule delivery.

Example: A 15 ft by 8 ft garden bed with 3 inches of gravel.

Frequently Asked Questions

How does the gravel calculator estimate volume and mass?
You input your project's length, width, and depth. The calculator multiplies these to get volume, then multiplies by the selected material density to estimate mass. Choose the density that matches your gravel type for accuracy.
What units does the gravel calculator support?
The calculator supports common units for dimensions (feet, inches, yards) and outputs volume in cubic yards and cubic feet, and mass in tons and pounds, based on the density you select.
Can I use this calculator for any type of gravel?
Yes, you can select from a list of common gravel densities (e.g., crushed stone, pea gravel, bank gravel). If your material isn't listed, you can enter a custom density to match your specific gravel.

Tips & Common Mistakes

Tips

  • Measure your project area carefully in feet or yards, and use consistent units for length, width, and depth.
  • Select the density that matches your gravel type; if unsure, use a typical value like 1.68 tons per cubic yard for crushed stone.
  • Add 5-10% extra to your estimate to account for compaction, settling, or uneven surfaces.
  • Use the calculator to compare different gravel types and densities to see how they affect total weight and cost.

Common Mistakes to Avoid

  • Mixing units (e.g., feet for length and inches for depth) without converting, leading to incorrect volume.
  • Using the same density for all gravel types, ignoring that different materials have different weights per cubic yard.
  • Forgetting to account for compaction, which can reduce the volume of gravel needed after it settles.

Last updated: August 13, 2026