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What Size Cement Mixer Do I Need?

Take it from us; manually mixing cement can be a long and laborious job. Whether you’re working on a DIY project or a professional installation, you’re going to want to employ the help of a powered cement mixer to get the work done promptly. 

But before you settle on the right model, you’ll need to ask, what size cement mixer do I need?

In our trade, we often find that project sizes differ significantly which means so will the concrete mixture machine you need. One week we could be laying a small private patio, the next a massive 4-car driveway. We’ve learned that whilst a cement mixer will come in handy for either use, its size will greatly impact the efficiency of your workflow! 

What Size Concrete Mixer Do I Need?

You’ll need a 60L concrete mixer for a small worksite, for instance, a private 10m² patio or 1-car driveway, whilst anything larger will generally require at least a 120L tank to produce a large enough volume of cement at a reasonable rate.

Larger tanks are also available in 160-200L sizes, and you can even find 250L+ sized tanks used on professional job sites designed to produce as much as 800lbs of concrete per batch.

What Size Is A Normal Cement Mixer?

A standard cement mixer will generally have a 160L tank and be able to produce batches of between 300-500lbs of concrete at any one time. This equates roughly to 6-9 cubic feet of usable concrete for your project per mixed batch.

How To Choose A Concrete Mixer

Firstly, it’s important that you understand is there a difference between a mortar mixer and a cement mixer, so you purchase the right one.

The volume of concrete needed.

Before searching for the right concrete mixer, you must calculate the volume of concrete needed to complete your project. To do this, measure the area’s length and width in metres, then multiply these values by how thick you want the finished concrete surface to be.

Length x width x thickness

This will leave you with the volume of concrete required in cubic feet, which can then be used to find a concrete mixer with a large enough tank for the job. 1ft3 equals about 30L; remember that a cement mixer’s tank can only be filled to around 80% of its max volume.

Number of workers

If you’re only carrying out a personal DIY project, mixing one small 100lb batch at a time in a 50-60L mixer will easily fit into your workflow. However, you’ll likely need larger batch sizes between 300-500lbs mixed in a 160L capacity tank for a larger project with several workers.

Using occasionally 

A compact electric model will do just fine if you only intend to use your mixer for small personal projects. 50-60L tanks will generally produce more than enough concrete for DIY usage, though it’s worth looking into 120L models as they can be used for any bigger jobs that may come up in the future. 

Regular usage (construction sites) 

For professional use, such as on a construction site, chances are you’ll need a large volume of concrete produced on a permanent basis throughout the working day. To meet this demand, at least a 120L model will be required, though a larger 160-250L model will be ideal.


How much concrete can a cement mixer make?

A standard 160L cement mixer can make up to 500lbs of concrete per batch, roughly equating to 6-9 cubic feet. Smaller 50L mixers can produce around 100lbs (3 cubic ft), whilst large capacity tanks of 250L can produce as much as 800lbs (24 cubic ft) per mixed batch.

How much can you fit in a cement mixer?

You can fit at least two 80lb bags of cement into a standard cement mixer, which must then be combined with around 3L of water per bag of cement. For a cement mixer to safely operate, it must only be filled up to 80% of its maximum capacity at any time.

Last Word 

So, the information we’ve covered today should help you decide what size cement mixer you’ll need for your next construction project. 

The smallest size you’ll usually find will be a 50L tank, which can be ideal for personal DIY projects and smaller jobs, though the standard size for a cement mixer is around 160L.

Remember to calculate the volume of concrete you’ll need before settling on the right-sized mixer. Consider opting for a larger 250L model if you’ll need a steady supply of concrete mixed throughout the working day. With all that in mind, you should be good to go!