Question 1

Which gravel calculator should I use?

Accepted Answer

Use Gravel Weight when you know project dimensions or volume and need tonnes, bags, delivery loads, or cost. Use Gravel Coverage when you know any two of quantity, area, and depth and need the missing value.

Question 2

What is the difference between gravel weight and gravel coverage?

Accepted Answer

Gravel Weight starts from a measured project shape or direct volume and calculates the order quantity. Gravel Coverage works in reverse or bidirectionally, finding coverage area, quantity needed, or achievable depth.

Question 3

Can these calculators be used for driveways and drainage?

Accepted Answer

Yes. They support decorative gravel, pea gravel, crushed granite, river gravel, drainage gravel, crusher run, MOT Type 1, and other road or landscaping materials.

Question 4

Do gravel calculations include wastage and compaction?

Accepted Answer

Both calculators include wastage allowances. Gravel Weight supports compaction for dense sub-base materials, while Gravel Coverage shows practical after-wastage coverage and applies compaction where supported by the selected calculation.

Calculator	Best For	Main Outputs
Gravel Weight	Ordering from dimensions, shapes, or volume	Volume, kg, tonnes, bags, loads, and cost
Gravel Coverage	Reverse coverage and depth checks	Area, quantity, bags, and achievable depth

Gravel Calculators

Gravel Weight Calculator

Gravel Coverage Calculator

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