Gravel Calculator

Gravel Calculator – How Much Gravel Do I Need?

Knowing how much gravel, slate or aggregates to use is a very important factor. Ordering too much gravel can lead to wastage. Ordering too little can cost you more money due to additional delivery charges.

To help you calculate how much gravel you will need, we have a handy calculator that you can use. This calculator is also featured on our product pages, so you can easily calculate how many bags to add to your basket.

Use the calculator below to work out how many bag(s) you need to order.

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gravel calculator

How Do You Calculate How Much Gravel You Need?

To calculate the amount of gravel, you will need to know the exact size of the area that you need to cover. You should measure the length, width and depth, and then input these measurements into the calculator.

The only additional cost other than the product itself is the delivery cost. This will vary depending on where you are based in the UK.

To do this, simply add the required products to your basket, and enter your postcode. This will give you the delivery cost.

What Is Gravel Used For?


Gravel is an essential component in the construction industry. It is widely used as a crushed stone for road building and as a raw material for various construction applications.

Landscaping And Decoration

Gravel is also commonly used as a landscaping material. As it comes in a variety of different colours and sizes, it can be used to create paths, driveways gardens which adds more visual interest.

One of the main benefits of using gravel aggregates is that it requires much less maintenance on your end.

It’s also very cheap and affordable, but still looks very effective, especially in wet conditions.

Gravel Calculator FAQs

What area will 1 ton of gravel cover?

1/4 to 1/2 inch gravel at a depth of 2 inches would cover 100 square feet.

What area will a 25kg bag of gravel cover?

For a depth of around 50mm, a 25kg bag of gravel will cover 0.6sqm.

Need Help With Your Gravel?

If you have used our gravel calculator but still are still unsure or have any questions about our products, do not hesitate to contact our friendly team.

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