Gravel Yards to Tons Calculator & Formula

This calculator converts a volume of gravel measured in cubic yards into its weight in tons (US short tons). You enter the volume in cubic yards and, optionally, the density of the gravel in pounds per cubic foot; the calculator returns the weight in tons. It is useful for ordering gravel for driveways, paths, or landscaping projects where suppliers quote prices per ton.

Formula

The weight of gravel in tons is calculated by multiplying the volume (in cubic yards) by the density (in pounds per cubic foot) and then converting the result from pounds to tons:

Weight (tons) = Volume (yd³) × Density (lb/ft³) × 27 / 2000

Where:

• Volume – the amount of gravel, measured in cubic yards (yd³).
• Density – the mass per unit volume of the gravel, measured in pounds per cubic foot (lb/ft³). Typical values range from 90 to 130 lb/ft³.
• 27 – conversion factor: 1 cubic yard = 27 cubic feet.
• 2000 – conversion factor: 1 US short ton = 2000 pounds.

Worked Example

Let’s use the default values from the calculator: volume = 3 cubic yards, density = 105 lb/ft³.

Step 1: Convert cubic yards to cubic feet.
3 yd³ × 27 = 81 ft³

Step 2: Multiply by the density to get pounds.
81 ft³ × 105 lb/ft³ = 8505 lb

Step 3: Convert pounds to tons.
8505 lb ÷ 2000 = 4.2525 tons

Rounded to two decimals, the result is 4.25 tons.

When to Use This Calculator

Use this calculator when you need to order gravel for a project and the supplier quotes prices per ton, but you have measured the area in cubic yards (or you plan to order by volume). For example, if you are filling a trench that is 10 ft long, 2 ft wide, and 1 ft deep, that is 20 cubic feet, which is about 0.74 cubic yards. Enter that volume and the density of the gravel you plan to use to get the weight in tons.

How to Read the Result

The result is the approximate weight of the gravel in US short tons (2000 lb). This is the weight that most suppliers use for pricing and delivery. If you are using metric tons (1000 kg), note that 1 US ton = 0.907 metric tons, so the number will be different.

Common Mistakes

• Using the wrong density – Gravel density varies widely: loose gravel may be around 90 lb/ft³, while compacted gravel can be 120 lb/ft³ or more. Always check with your supplier or use a typical value for your specific gravel type.
• Mixing units – The formula works only if volume is in cubic yards and density is in pounds per cubic foot. If you have volume in cubic feet, convert to cubic yards first (divide by 27).
• Forgetting the 27 factor – Some people mistakenly multiply cubic yards directly by density, which gives a result that is 27 times too small.
• Rounding too early – Round only the final answer, not intermediate steps, to avoid significant errors.

Tips

• For a typical gravel driveway, a density of 105 lb/ft³ is a reasonable estimate. For crushed stone, use 100–110 lb/ft³.
• Order a little extra (5–10%) to account for compaction and settling, especially for driveways.
• If you are working in metric, convert your measurements to feet and pounds before using the formula, or use a metric version of the calculation.
• Always confirm the density with your supplier – they often provide the exact density for the material they sell.

Troubleshooting

My result seems too low.
Check that you entered the volume in cubic yards, not cubic feet. If you have cubic feet, divide by 27 to get cubic yards.

My result seems too high.
Check the density – you may have entered a value for wet or compacted gravel when you are ordering loose gravel. Also verify that the density is in pounds per cubic foot, not kilograms per cubic meter.

The calculator gives a different number than my supplier.
Suppliers often use a specific density for their material. Ask them for the density they use and re-enter it. Also, they may quote in short tons (2000 lb) or metric tons (2204 lb) – confirm which one you are comparing.

I only know the area in square feet and depth in inches.
First calculate the volume: area (ft²) × depth (ft) = cubic feet. Then convert to cubic yards by dividing by 27, and use that as the volume.

Frequently Asked Questions

What is the density of gravel?
Density varies, but a common range is 90–130 lb/ft³. For dry loose gravel, use about 90–105 lb/ft³; for wet or compacted gravel, use 110–130 lb/ft³.

How many cubic yards are in a ton of gravel?
It depends on density. For 105 lb/ft³, one ton is about 0.71 cubic yards (2000 / (105 × 27) ≈ 0.71). For denser gravel, it will be less.

Is a ton of gravel the same as a cubic yard?
No. A cubic yard is a volume, and a ton is a weight. They are related by density; for gravel, one cubic yard typically weighs about 1.4 to 1.7 tons.

Can I use this for other materials like sand or soil?
Yes, if you know the density of the material. The formula is the same, but the density will be different.

What is the difference between a short ton and a long ton?
A short ton is 2000 pounds (used in the US), and a long ton is 2240 pounds (used in the UK). This calculator uses short tons.

Should I add extra gravel for compaction?
Yes, it is common to add 5–10% extra to account for settling, especially for driveways or base layers.

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in v | Volume | cu yd | 3 | 0
in d | Density | lb/ft³ | 105 | 0
out tons | Weight | tons | v * d * 27 / 2000 | 2