Gravel Calculator

Calculate gravel tonnage, cubic yards, wheelbarrow trips, dump truck loads, and material costs for driveways, garden pathways, and drainage bases.

Common Gravel Projects:

Area Dimensions & Gravel Grade

Specify trench or driveway boundaries and choose aggregate density

Longest continuous run

Driveway or pathway span

2-3" paths • 4-6" vehicle driveways

Quarry bulk density with rock voids

Compaction Settling & Quarry Pricing ($/ton)
Total Gravel Tonnage 1 Tandem Truck
13.69 US Tons

9.78 Cubic Yards • 27,378 Total Pounds

Cubic Yards
9.78 yd³

264 cu ft

Surface Area
720 sq ft

66.9 m²

Wheelbarrow Trips
88 Trips

3 cu ft contractor cart

Estimated Cost
$575

@ $42 / ton delivered

Step-by-Step Gravel Tonnage & Volume Mathematical Proof

Problems Solved by the Gravel Calculator

Cubic Yards to Tonnage Conversion Errors

DIY calculators often assume 1 cubic yard equals 1 ton. In reality, crushed gravel weighs 1.4 to 1.5 tons per yard. Calculating a 10-yard driveway as 10 tons leaves you 4 tons (nearly 3 cubic yards) short of material, pausing your project.

Wheelbarrow Labor Exhaustion Surprise

Homeowners frequently order 10 tons of gravel for tailgate delivery without realizing it requires 88+ grueling wheelbarrow trips to disperse across their yard. Our calculator provides realistic manual trip counts upfront.

Ignoring Roller Compaction and Wheel Sinking

When heavy passenger vehicles drive over freshly spread gravel, stones interlock and compress into the soft soil beneath. Factoring in our standard 10% compaction buffer guarantees your finished driveway maintains the required 4-inch depth.

Stone Size Misapplication (Pea Gravel vs. Crushed Run)

Using rounded pea gravel on an incline leads to spinning tires and washouts because round stones never interlock. Crushed #57 stone and crusher run have sharp angular facets that lock firmly. Our tool clarifies density and use-case selection.

How to Calculate Gravel Tonnage and Yards

1 Measure Dimensions

Measure length and width in feet or meters along the driveway, garden path, or patio outline.

2 Select Layer Depth

Choose 2-3 inches for garden beds, 4 inches for light driveways, or 6+ inches for road bases.

3 Choose Stone Type

Select Crushed Stone #57, Crusher Run, Pea Gravel, or River Rock to apply precise quarry densities.

4 Review Orders

Extract total tons, cubic yards, wheelbarrow loads, dump truck deliveries, and total cost.

Key Features & Aggregate Capabilities

Multi-Geometry Bed Modeling

Calculates rectangular driveways, long utility trenches, and circular parking turnaround areas effortlessly.

Crushed Stone & Pea Gravel Densities

Calibrated densities for #57 clean stone (2,700 lb/yd³), pea gravel, crushed run road base, and dense aggregate.

Vibratory Compaction Buffer

Applies an engineered 5% to 20% compaction allowance to prevent finished driveway settling below grade.

Dump Truck Logistics Takeoff

Converts total gravel weight into US short tons, cubic yards, and required tandem dump truck deliveries.

Frequently Asked Questions About Gravel Estimation

How do you calculate how much gravel you need?

Multiply length by width by depth in feet to get volume in cubic feet: Volume (cu ft) = Length (ft) x Width (ft) x (Depth_in / 12). Divide by 27 to get cubic yards: Cubic Yards = Volume / 27. Multiply cubic yards by 1.4 (average tons per yard for crushed gravel) to find total tons needed.

How thick should gravel be for a driveway?

A standard residential gravel driveway requires a total depth of 6 to 8 inches installed in compacted layers: a 4-inch base layer of coarse #3 or #4 crushed stone / crusher run, topped with a 3 to 4-inch surface layer of clean #57 stone or dense graded aggregate (DGA).

How much area does 1 ton of gravel cover?

One ton of gravel (approx. 0.72 cubic yards) covers approximately 100 square feet at 2 inches deep, 70 square feet at 3 inches deep, 50 square feet at 4 inches deep, and 33 square feet at 6 inches deep.

What is the difference between crushed stone and pea gravel?

Crushed stone is mechanically fractured rock with sharp, angular edges that lock tightly together under compaction, making it ideal for driveways and road bases. Pea gravel consists of naturally rounded, smooth pebbles (~3/8 inch) that shift under tires and are best suited for decorative garden walkways and dog runs.

How many wheelbarrows are in one cubic yard of gravel?

A standard contractor wheelbarrow has a capacity of 3 cubic feet. Since one cubic yard contains 27 cubic feet, it takes approximately 9 to 10 full wheelbarrow loads to move one cubic yard of gravel (or about 13 to 14 wheelbarrows per ton).

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