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Concrete aggregate calculator

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Are you looking for how much aggregate do i need for concrete? This concrete aggregate calculator will be a definite help.

When it comes to crafting the perfect concrete ratio of cement sand and aggregate, striking the right balance between cement, sand, and aggregate is the key to structural success.

Whether you’re a seasoned construction pro or a DIY enthusiast, knowing how to calculate the aggregate quantity in your concrete mix is a crucial skill. In this guide, we’ll unveil the magic behind this essential calculation in a simple, engaging, and plagiarism-proof manner.

If you’re looking for complete sand cement aggregate calculator or want to know about how to calculate cement sand and aggregate; here’s the article for your help.

(1:4:8 Concrete Mix Calculator) Lean Concrete – M7.5 MPa Concrete Calculator

Table of Contents

Concrete aggregate calculator

Understanding Mix Proportions

First things first, every concrete mix has a unique recipe, defined by the mix proportions. These proportions are typically expressed in a ratio format, such as 1:2:4 (Cement:Sand:Aggregate). Each number represents the quantity of its respective component in the mix. Cement binds, sand fills the gaps, and aggregate provides the structure.

Select Your Mix Proportion

Before you dive into the calculation, you need to choose the right mix proportion for your project. This decision depends on factors like project requirements, structural strength, and local standards. Common mix proportions include 1:2:4, 1:1.5:3, 1:4:8, and more.

Also Read: How to calculate cement sand and aggregate quantity in M15 concrete?

Volume of Concrete Required

The next step is to determine the volume of concrete you need for your project. Measure the space you want to fill in cubic meters (m³). This could be a foundation, a slab, or any other concrete structure.

Also Read: Grading Requirements of Fine Aggregates

How much aggregate do I need for concrete?

Now, let’s unveil the magic formula for calculating the volume of aggregate. It’s based on the selected mix proportion and the total volume of concrete required.

Aggregate Volume (m³) = (Aggregate Ratio / Total Mix Ratio) x Volume of Concrete (m³)

In this formula, the ‘Aggregate Ratio’ is the quantity of aggregate in the mix proportion you selected, while the ‘Total Mix Ratio’ is the sum of all three components (Cement + Sand + Aggregate).

Crunching the Numbers

Plug in the values from your selected mix proportion and the volume of concrete required into the formula. Once you do the math, you’ll have the volume of aggregate needed for your project.

A Practical Example

For instance, if you chose a mix proportion of 1:2:4 and need 25 m³ of concrete:

Aggregate Volume (m³) = (4 / (1 + 2 + 4)) x 25 m³ Aggregate Volume (m³) = (4 / 7) x 25 m³ ≈ 14.29 m³

Aggregate Calculator for Concrete

Here’s the concrete aggregate calculator that’ll help you reckon the quantity of aggregate in your concrete mix:


Congratulations! You’ve just unlocked the secret to calculating the quantity of aggregate in your concrete mix. With this knowledge, you can ensure your concrete projects are not just sturdy but also cost-effective. Remember, the right mix proportion and accurate calculations are the cornerstones of successful concrete work.

So, the next time you’re on a construction site or planning a DIY project, confidently select your mix proportion and calculate your aggregate quantity like a pro. Your structures will stand tall and your budget will thank you!

Frequently Asked Questions

How much aggregate required for 1m3 concrete?

It depends on the type of mix you select; here’s the required quantity of aggregate for different type of mixes:

  1. 1:2:4 Mix (Cement:Sand:Aggregate)
    • Aggregate Volume = (4 / (1 + 2 + 4)) x 1 m³
    • Aggregate Volume ≈ 0.571 m³
  2. 1:1.5:3 Mix (Cement:Sand:Aggregate)
    • Aggregate Volume = (3 / (1 + 1.5 + 3)) x 1 m³
    • Aggregate Volume ≈ 0.375 m³
  3. 1:4:8 Mix (Cement:Sand:Aggregate)
    • Aggregate Volume = (8 / (1 + 4 + 8)) x 1 m³
    • Aggregate Volume ≈ 0.727 m³
  4. 1:3:4 Mix (Cement:Sand:Aggregate)
    • Aggregate Volume = (4 / (1 + 3 + 4)) x 1 m³
    • Aggregate Volume ≈ 0.363 m³
  5. 1:3:3 Mix (Cement:Sand:Aggregate)
    • Aggregate Volume = (3 / (1 + 3 + 3)) x 1 m³
    • Aggregate Volume ≈ 0.25 m³
  6. 1:3:6 Mix (Cement:Sand:Aggregate)
    • Aggregate Volume = (6 / (1 + 3 + 6)) x 1 m³
    • Aggregate Volume ≈ 0.545 m³
  7. 1:2:3 Mix (Cement:Sand:Aggregate)
    • Aggregate Volume = (3 / (1 + 2 + 3)) x 1 m³
    • Aggregate Volume ≈ 0.375 m³

how much sand cement and aggregate per m3?

Here are the approximate quantities of sand, cement, and aggregate per cubic meter (m³) for some common mix designs:

  1. 1:2:4 Mix (Cement:Sand:Aggregate)
    • Cement: 320 kg
    • Sand: 640 kg
    • Aggregate: 1280 kg
  2. 1:1.5:3 Mix (Cement:Sand:Aggregate)
    • Cement: 400 kg
    • Sand: 600 kg
    • Aggregate: 1200 kg
  3. 1:4:8 Mix (Cement:Sand:Aggregate)
    • Cement: 240 kg
    • Sand: 960 kg
    • Aggregate: 1920 kg
  4. 1:3:4 Mix (Cement:Sand:Aggregate)
    • Cement: 320 kg
    • Sand: 960 kg
    • Aggregate: 1280 kg
  5. 1:3:3 Mix (Cement:Sand:Aggregate)
    • Cement: 360 kg
    • Sand: 1080 kg
    • Aggregate: 1080 kg
  6. 1:3:6 Mix (Cement:Sand:Aggregate)
    • Cement: 300 kg
    • Sand: 900 kg
    • Aggregate: 1800 kg
  7. 1:2:3 Mix (Cement:Sand:Aggregate)
    • Cement: 400 kg
    • Sand: 600 kg
    • Aggregate: 900 kg

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About author

Saad is a civil engineer by profession and love to explore innovative ideas relevant to construction, civil engineering, and home improvement. He loves writing about concrete, DIY guides, home improvement tips, technologies, and more.
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