Aggregates Calculator

How much Aggregate do you need?

Estimate the tonnage of aggregates you need for your project.

Holcim is the leading supplier of a wide range of high quality aggregates suitable for any project. With a strong network of quarries across the country and unique supply chain capabilities, our expert teams are there to support your needs. From specialised sand, gravel, recycled aggregate through to large ballast or gabion stone we are here to help.

Key Statistics

Precision Calculation

To avoid under or over-ordering

Technical Support Available

To help you choose the correct mix

Trusted Supplier

For housing, commercial and infrastructure

How it works

Select the type of aggregates you require.
Followed by the width, height and depth.
Select Calculate to find the tonnage needed.

As the leading experts in Aggregates across the UK, we can offer technical support and guidance to ensure you receive the highest quality performance and the right products for your project. Simply follow the 3 steps below.

Note - Our calculation tool factors in a minimum level of required aggregates to avoid wastage. You may want to allow for a 5% margin to cover additional needs.

Calculate your requirement

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Volume

Aggregates required tonnes

Find a plant near you

Holcim understands the importance of clear communication and reliable support. We pride ourselves on being your trusted partner in providing high-quality construction materials and solutions.

View the range of Aggregate products

The leading UK supplier of aggregate; sub-base, MOT, drainage, recycled and sustainable aggregate solutions.

Construction Demolition Materials (CDM)

We provide high-quality construction and demolition materials (CDM) that support efficient building, infrastructure, and landscaping projects while helping to reduce environmental impact.

Neustark

Neustark is a leading provider in the rapidly growing field of durable carbon removal, having developed and deployed a solution to permanently store CO₂from the air in recycled mineral waste such as demolished concrete. Let’s remove that CO₂, ton for ton– for a bright future of all generations on our planet!

ECOCycle - Building new from old

Recycling Construction Demolition Materials into new construction solutions through ECOCYCLE®

We are now identifying all of our materials which contain a minimum 10% CDM to our new ECOCycle® label.

Self Binding Path Gravel

A specialist decorative product, used most prominently in landscaping jobs such as pathways, driveways and car parks, leaving an attractive finish.

Aggneo

Aggneo is a natural secondary aggregate, with the same quality and performance as virgin aggregate.

Rail & Track Ballast

Specialist bedding stone made from natural stone used for laying below railway sleepers.

Decorative Aggregates

Based in Kirkby on Bain, Woodhall Spa Quarry sells locally extracted materials, in addition to a wide variety of other products, sourced from all over the UK.

Rip Rap

Rip Rap is a crushed rock available in 300-700mm and 500mm-700mm sizes. It’s an effective choice for the protection of shorelines, structures and rivers offering long lasting wave dissipation and scour protection.

Bagged Aggregates

Available in tote bags weighing minimum 800 kilograms, our range of bagged aggregates includes sand, gravel, crushed stone and specialised materials like recycled concrete.

MOT Type 3 Aggregates

MOT Type 3 is a coarse, well graded aggregate material. With versatility in use from sports pitches, paving and pathways due to its drainage ability.

MOT Type 2

MOT Type 2 is a blended crushed aggregate product, which provides a free draining base, making it perfectly suited for walkways and garden paths.

MOT Type 1

MOT Type 1 is a crushed aggregate that is ideal as a sub-base for paths, driveways, roads and highways.

Armourstone

Armourstone is natural quarry stone, chosen for its durability and resistance to wear and erosion.

Basalton Quattroblock

The Basalton Quattroblock is designed for moderate waves. This innovative block is a combination of four basalton concrete columns placed next to each other

Gabion Stone

Our Gabion stone is commonly used as a fill material for Gabion stone baskets, nets and rolls.

Pitching stone

A 150-300mm stone used as a walling stone some also use this for a larger option when filling gabion baskets.

SuperFlow

The SuperFlow® product range is Holcim UK’ line of high performance aggregates specifically designed to provide controlled water management within SuDS.

Xbloc

Xbloc is a large wave breakwater armour unit. The Xbloc system is based on randomly placed, interlocking concrete armour units.

What to know about aggregates

Frequently Asked Questions on Aggregates

22 August 2023

What is Type 1 Aggregate?

Type 1 aggregate, also know as MOT Type 1, is typically used a base layer for highways, pavements, and patios. It is made from different types of aggregates including limestone and crushed concrete, from larger 40mm to granular dust size.

See our aggregate type 1 range

What is Type 2 Aggregate?

Type 2 aggregate is graded from 50mm to finer dust and once compacted, makes the ideal sub-base for both domestic and commercial applications, as well as to fix potholes and as a backfill material.

What is Type 3 Aggregate

Type 3 aggregate is a very popular construction material as the moment with a greater desire for SuDS materials. Type 3 is a 40mm-down product that has been screened to create a reduced fines sub-base and is used commonly as a sub-base for driveways, car parks, paths and many other construction projects where drainage and full permeability is required.

What is coarse Aggregate

Coarse aggregate is any aggregate greater than 4mm in size, including gravels, hardstones and limestones for example.

What is Aggregate Sand?

Sand and gravel material is formed when the parent material has been transported from another location by the flow of water e.g. rivers (fluvial), or ice (glacial) activity forming deposits of natural sand and gravel. The weathering process wears away the softer minerals leaving hard silica rich (quartz) deposits of sand fine aggregate in the same location.

Gravel is composed of various kinds of rock, the most common constituent being the mineral quartz.

See our sand and gravel range

What is Aggregate in concrete?

Aggregates, both fine and coarse, constitute about 60 -80% of the concrete formula. Mixed together with cement and water, the aggregate element helps make concrete more compact, provide strength, durability and workability. These properties make concrete one of the most widely used materials across the world. It is used to construct skyscrapers, houses and bridges. Builds cities, connect towns and creates some of the most iconic monuments around the world.

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