Free Conversion Calculator

Tons to Cubic Yards Calculator

Convert tons of gravel into cubic yards instantly. Calculate volume based on material type and density. Supports tons, pounds, kilograms — with cubic yards, cubic feet, and cubic meter output.

Convert Tons to Cubic Yards

Tons to Cubic Yards Calculator

Convert gravel weight to volume — results update in real time

Gravel Weight

Weight Unit

Material Type

Density (tons / cubic yard)

Crushed Stone 1.50 tons / cubic yard

Custom: t/yd³

Conversion Formula

Cubic Yards = Tons ÷ Density = 6.67 yd³

📦

Cubic Yards

6.67

yd³

📏

Cubic Feet

180

ft³

🌍

Cubic Meters

5.10

m³

🪨

Material

Crushed Stone

1.50 t/yd³

Tons to Cubic Yards Conversion Chart

Quick reference for converting tons of gravel to cubic yards across different materials and quantities:

Material	1 Ton	5 Tons	10 Tons	15 Tons	20 Tons
Crushed Stone	0.67 yd³	3.33 yd³	6.67 yd³	10.00 yd³	13.33 yd³
Pea Gravel	0.77 yd³	3.85 yd³	7.69 yd³	11.54 yd³	15.38 yd³
River Rock	0.71 yd³	3.57 yd³	7.14 yd³	10.71 yd³	14.29 yd³
Limestone	0.69 yd³	3.45 yd³	6.90 yd³	10.34 yd³	13.79 yd³
Decorative Gravel	0.74 yd³	3.70 yd³	7.41 yd³	11.11 yd³	14.81 yd³

Conversions use standard industry densities. Actual values may vary slightly based on moisture content and compaction.

Gravel Density by Material

Material density is the key factor in converting tons to cubic yards. Here are the standard densities for common gravel types:

Material	Tons / Cubic Yard	Lbs / Cubic Yard	Kg / Cubic Meter	Common Uses
Crushed Stone	1.50	3,000	1,780	Driveways, drainage, base material
Pea Gravel	1.30	2,600	1,543	Paths, patios, playgrounds
River Rock	1.40	2,800	1,661	Landscaping, water features
Limestone Gravel	1.45	2,900	1,721	Driveways, road base
Decorative Gravel	1.35	2,700	1,602	Garden beds, accents

How to Convert Tons to Cubic Yards

Converting tons of gravel to cubic yards is a simple three-step process. Follow this guide or use our calculator above for instant results.

Know Your Gravel Weight in Tons

Determine the total weight of gravel you have or need. If you have pounds, divide by 2,000 to get tons. If you have kilograms, divide by 907.185. For example, 15,000 pounds = 7.5 tons.

Choose the Correct Material Density

Select the density for your gravel type. Crushed stone = 1.50 tons/yd³, pea gravel = 1.30 tons/yd³, river rock = 1.40 tons/yd³, limestone = 1.45 tons/yd³. If you know your supplier's exact density, use that for the most accurate result.

Apply the Conversion Formula

Divide the weight in tons by the material density. The formula is: Cubic Yards = Tons ÷ Density. For example, 15 tons of gravel with density 1.4 = 15 ÷ 1.4 = 10.7 cubic yards. To convert to cubic feet, multiply cubic yards by 27.

Core Conversion Formula

Cubic Yards = Tons ÷ Density (tons/yd³)

Example 1

10 Tons of Crushed Stone

Density: 1.50 tons/yd³
10 ÷ 1.50 = 6.67 cubic yards
= 180 cubic feet | 5.10 m³

Example 2

5 Tons of Pea Gravel

Density: 1.30 tons/yd³
5 ÷ 1.30 = 3.85 cubic yards
= 104 cubic feet | 2.94 m³

Example 3

8,000 lbs of River Rock

8,000 lbs = 4 tons
Density: 1.40 tons/yd³
4 ÷ 1.40 = 2.86 cubic yards

Example 4

25 Tons of Limestone

Density: 1.45 tons/yd³
25 ÷ 1.45 = 17.24 cubic yards
= 465 cubic feet | 13.18 m³

Why Tons and Cubic Yards Are Different

Tons and cubic yards measure two fundamentally different things, which is why a conversion factor (density) is always needed.

Tons = Weight

2,000 lbs

A ton is a unit of weight (mass). It always equals exactly 2,000 pounds regardless of the material. One ton of feathers and one ton of gravel both weigh the same — 2,000 pounds.

Cubic Yards = Volume

27 ft³

A cubic yard is a unit of volume — a cube measuring 3 feet × 3 feet × 3 feet. It equals 27 cubic feet. One cubic yard of gravel occupies the same physical space regardless of weight.

Factors That Affect the Conversion

Material Type

Different rocks have different mineral densities. Granite-based crushed stone is denser (1.5 tons/yd³) than sedimentary pea gravel (1.3 tons/yd³). This is the primary factor — denser materials yield fewer cubic yards per ton.

Moisture Content

Wet gravel weighs more per cubic yard than dry gravel because water fills the void spaces. Moisture can add 5–15% to the weight, which means a wet cubic yard contains fewer actual stone particles than a dry cubic yard of the same weight.

Compaction

Compacted gravel is denser than loose gravel. A cubic yard of loose gravel might weigh 2,400 lbs, but the same material after compaction could weigh 2,800 lbs. For accurate conversion, use the density that matches your material's condition.

Stone Size & Gradation

Well-graded gravel with mixed particle sizes packs more densely than uniformly-sized stone. Smaller particles fill gaps between larger ones, increasing density. This is why crusher run (mixed sizes) is heavier per cubic yard than clean crushed stone.

Common Project Conversions

Real-world examples of tons-to-cubic-yards conversions for typical landscaping and construction projects:

🚗

Driveway

15 tons ≈ 10 yd³

Crushed stone at 1.5 t/yd³

🏡

Patio

5 tons ≈ 3.6 yd³

River rock at 1.4 t/yd³

🚶

Walkway

2 tons ≈ 1.5 yd³

Pea gravel at 1.3 t/yd³

Frequently Asked Questions

One ton of gravel equals approximately 0.67 to 0.83 cubic yards, depending on the gravel type. Crushed stone yields about 0.67 cubic yards per ton (density 1.5 tons/yd³), pea gravel yields 0.77 cubic yards per ton (density 1.3 tons/yd³), and river rock yields about 0.71 cubic yards per ton (density 1.4 tons/yd³). The exact conversion depends on the material's density.

To convert tons of gravel to cubic yards, divide the weight in tons by the material's density (tons per cubic yard). The formula is: Cubic Yards = Tons ÷ Density. For example, 10 tons of crushed stone (density 1.5) = 10 ÷ 1.5 = 6.67 cubic yards. Use our free calculator above to convert any amount instantly for different gravel types.

One cubic yard of gravel weighs between 2,400 and 3,000 pounds (1.2 to 1.5 tons). Crushed stone weighs approximately 1.5 tons per cubic yard, pea gravel weighs 1.3 tons per cubic yard, river rock weighs 1.4 tons per cubic yard, and limestone weighs about 1.45 tons per cubic yard. Moisture content can increase weight by 5-15%.

To determine how many tons of gravel you need: first calculate the volume in cubic yards (Length × Width × Depth in feet ÷ 27), then multiply by the material density. For a 20'×50' driveway at 6 inches deep, you need 200 × 50 × 0.5 ÷ 27 = 18.5 cubic yards, which equals about 27.8 tons of crushed stone (18.5 × 1.5). Use our gravel calculator for accurate project estimates.

Yes, gravel type significantly affects the tons-to-cubic-yards conversion because different materials have different densities. For example, 10 tons of crushed stone equals 6.67 cubic yards, while 10 tons of pea gravel equals 7.69 cubic yards — a 15% difference. Always use the correct density for your specific gravel type. Our calculator includes densities for crushed stone, pea gravel, river rock, limestone, and decorative gravel.

No, a cubic yard of gravel is heavier than a ton. One cubic yard of gravel weighs approximately 1.2 to 1.5 tons (2,400-3,000 pounds), while one ton equals exactly 2,000 pounds. This means one cubic yard of gravel is about 20-50% heavier than one ton. You cannot directly compare tons and cubic yards because tons measure weight and cubic yards measure volume — the conversion depends on the material's density.

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Understanding Tons to Cubic Yards Conversion for Gravel

If you're planning a gravel project, understanding how to convert tons to cubic yards is one of the most important calculations you'll make. Gravel is typically sold by the ton at quarries and landscape supply yards, but your project dimensions are measured in cubic yards or square feet. This disconnect between how gravel is sold and how projects are measured is where our tons to cubic yards calculator becomes invaluable.

The core formula is straightforward: Cubic Yards = Tons ÷ Density. But the density — measured in tons per cubic yard — varies by gravel type. Crushed stone is denser (1.50 tons/yd³) than pea gravel (1.30 tons/yd³), which means 10 tons of crushed stone takes up less space (6.67 cubic yards) than 10 tons of pea gravel (7.69 cubic yards). Getting this conversion right prevents costly ordering mistakes.

Why You Need a Tons to Cubic Yards Calculator

Manual conversion is prone to error, especially when you're dealing with different units (pounds, kilograms) and materials. Our calculator handles the math automatically — just enter your weight, select the material, and get instant results in cubic yards, cubic feet, and cubic meters. The reverse mode (cubic yards to tons) is equally useful when you've calculated your project volume and need to know how many tons to order.

Common Conversion Scenarios

Homeowners typically need this conversion when: (1) a supplier quotes a price per ton but the project plan is in cubic yards, (2) they're picking up gravel themselves and need to know if it will fit in their truck, or (3) they're comparing prices between suppliers who use different units. Contractors use it daily to convert between material orders and project estimates.

Tips for Accurate Conversion

For the most accurate tons-to-cubic-yards conversion: use the exact density from your gravel supplier rather than generic estimates, account for moisture if the gravel has been exposed to rain (add 5–10%), and always add 5–10% extra to your order to account for compaction and spillage. A small buffer is far cheaper than a second delivery.