Gravel Cost Calculator
Planning a path, driveway, drainage bed or landscaping area? Enter the length, width and depth, choose a gravel type and your country, and this calculator works out the volume, converts it to the tons you would buy, adds the waste allowance you choose, and prices it from market ranges for your area.
Gravel is priced by the ton in the BuildCost dataset, and each gravel type has its own density. The core result is material cost. Delivery, weed barrier, edging and ground preparation labor are only added when you choose them.
Gravel Project Inputs
Fields marked * are required. Units follow the country you select.
How the Gravel Cost Calculator Works
- Pick a country and gravel type. They decide the units, currency, price per ton and density.
- Enter length, width and depth. Depth is in inches or centimetres, depending on the market.
- Add waste if you want it. Blank means no allowance.
- The calculator finds the volume (area x depth, with depth converted to the same unit as the length and width).
- It converts volume to tons using the density stored for your gravel type.
- It applies the price range to the adjusted tonnage and adds any optional items you chose.
How Much Does Gravel Cost?
There is no single price for gravel. It changes with the type of stone, how much you buy, your market, the supplier, delivery and the time of year. This page does not quote a universal figure. It shows a range from the BuildCost dataset for the type and country you choose, applied to the tonnage your project needs.
How Much Gravel Do I Need?
Length x width gives the area. Multiply the area by the depth, making sure all three are in the same unit, to get the volume. In imperial units that means dividing the depth in inches by 12. Because gravel is sold by weight, the volume is then converted to tons using the density of the material. A cubic yard of one gravel type can weigh noticeably more or less than another, which is why the calculator uses a different density for each type.
Example Calculation
Take an area 20 ft long and 20 ft wide, with a depth of 3 in. The area is 400 sq ft. The depth is 3 / 12 = 0.25 ft, so the volume is 400 x 0.25 = 100 cubic feet, which is 100 / 27 = about 3.7 cubic yards. Multiply that by the density of your chosen gravel to get tons, add any waste you entered, and multiply by the price range per ton. In a metric market, 6 m by 6 m at 8 cm deep is 36 x 0.08 = 2.88 cubic metres. These numbers only show the method. Your result uses your own entries.
Gravel Depth Guide
The depth you need depends on what the gravel is doing. A decorative surface layer, a walking path, a drainage bed and a base under paving or a driveway have different needs, and soil, drainage and expected loads change them further. This calculator does not recommend a depth. Check with your supplier, a qualified contractor, or local requirements, then enter that depth to price it.
Types of Gravel
These are the gravel types currently available in the calculator, each priced and converted to tons using its own data.
- #57 Crushed Stone (3/4")
- Pea Gravel (3/8" Round)
- Decomposed Granite (DG)
- River Rock / Decorative Stone
- Crusher Run / Sub-Base Aggregate
Angular crushed products compact and lock together, which is why they are often used as bases. Rounded stone such as pea gravel and river rock moves more underfoot and is often chosen for its appearance or for drainage. Which one suits your job is something to confirm with your supplier.
Factors That Affect Gravel Cost
Included in this calculator: gravel type, the area and depth you enter, your waste allowance, and your market's price range. If you choose them: delivery (by the number of loads you enter), weed barrier, edging around the full perimeter and ground preparation labor.
Not included: delivery distance surcharges, taxes, supplier minimums and bulk discounts, compaction losses, sub-base layers you do not size yourself, and site-specific work such as grading or drainage. These can change a real quote, so ask your supplier what is covered.
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Frequently Asked Questions
How does the Gravel Cost Calculator work?
You choose a country and a gravel type, then enter the length, width and depth of the area. The calculator works out the volume, converts it to tons using the density stored for that gravel type, adds any waste you enter, and multiplies by the low, average and high price per ton for your market. Every step is shown under your result.
How do I calculate how much gravel I need?
Multiply length by width to get the area, then multiply by the depth after converting it to the same unit. In imperial units divide inches by 12 to get feet, and divide cubic feet by 27 for cubic yards. Gravel is sold by weight, so the volume is then converted to tons using the density of the material.
What depth should I use for my gravel project?
It depends on what the gravel is for and on your site, so there is no single right answer. A decorative top layer, a path and a driveway base are all different jobs. Ask your supplier or a qualified contractor, and follow any local requirements, before choosing a depth. The calculator simply prices whatever depth you enter.
Does the calculator include waste?
Yes, if you enter a waste percentage. The base tonnage is multiplied by 1 plus the percentage divided by 100. If you leave the waste field empty, none is added.
Does the calculator include delivery?
Only if you enter a number of delivery loads. The dataset has a flat fee per truck load but no information on how much a truck carries, so you tell the calculator how many loads to charge. Leave it empty to exclude delivery.
Does the calculator include labor?
Only if you select the ground preparation and spreading labor option, which is priced per square foot or square metre from the dataset. It is off until you choose it. The gravel price itself is material only.
Can I use the calculator in different countries?
Yes. It supports the markets that have gravel pricing in the BuildCost dataset, shown in the country list. Each uses its own currency. The United States and Canada use feet and inches, and the United Kingdom and Australia use metres and centimetres.
Why is gravel priced per ton?
That is how the dataset records it, and how aggregate is commonly sold. Because the same volume of different gravel types weighs different amounts, each type has its own density in the dataset, and the calculator uses it to convert volume to tons.
Is the result an exact gravel quote?
No. It is an estimate from market price ranges and the numbers you enter. A supplier quote depends on the exact product, quantity, delivery distance and current stock, and can differ from this range.