# What is m25 grade of concrete?

**What is m25 grade of concrete?**In

**pmixi**

Different types of concrete grades and their uses

Concrete Grade | Mix Ratio (cement : sand : aggregates) | Compressive Strength |
---|---|---|

M15 | 1 : 2 : 4 | 15 MPa |

M20 | 1 : 1.5 : 3 | 20 MPa |

Standard Grade of Concrete | ||

M25 | 1 : 1 : 2 |
25 MPa |

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Also asked, what is meant by m25 grade concrete?

**Concrete** mainly composed of Cement,sand & aggregate (aggregate mainly responsible for strength whereas cement & sand responsible for binding of total volume. Coming to the question. M stands for mix of **concrete**. 25 stands for strength of **concrete** cube such as 25 (MPa Or N/mm2) after 28 days of curing.

Also, what is grades of concrete? **Grade of concrete** is the designation of **concrete** according to its compressive strength. **Concrete grades** are denoted by M10, M20, M30 according to their compressive strength. โMixโ is the respective ingredient proportions which are **Cement**: Sand: Aggregate Or **Cement**: Fine Aggregate: Coarse Aggregate.

Thereof, how do you calculate m25 concrete grade?

**The formula for calculating the quantity of cement is,**

- cement = (dry volume of the concrete x cement ratio)/(sum of the ratio)
- Dry volume of the concrete = wet volume of concrete x 1.54.
- Mix ratio of M25 grade is 1:1:2 (cement:sand:coarse aggregates)
- Assuming the volume of concrete as 1 m^3.

What is m30 grade of concrete?

**M30** stands for the mix of **concrete** which after 28 days of curing will give the strength of 30 N/mmยฒ. Bascially **M30** mix ratio is calculated by referring Is Codes and consideration of all the properties of sand, **cement** and coarse aggregate.

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