What is Ready Mix Concrete (RMC)?

Ready Mix Concrete (RMC) is concrete that is manufactured in a batching plant according to specific mix designs and delivered to the construction site in a fresh, unhardened state. It offers consistent quality, reduced labor requirements, and eliminates the need for on-site mixing.

How is concrete volume calculated?

Concrete volume is calculated using the formula: Volume = Length × Width × Thickness. For accurate estimation, always add 5-10% extra for wastage due to uneven surfaces, spillage, and over-excavation.

Which concrete grade should I use?

The grade depends on the application: M15-M20 for PCC and minor work, M20-M25 for residential slabs and beams, M25-M30 for commercial structures, and M35+ for heavy-duty applications like bridges and high-rise buildings.

What factors affect RMC price?

RMC prices vary based on concrete grade, distance from the batching plant, quantity ordered, special admixtures required, and delivery timing. Bulk orders typically get better rates.

How long does RMC remain workable?

Standard RMC remains workable for 60-90 minutes after mixing. This can be extended using retarders if needed for longer transportation or hot weather conditions.

What is the minimum order quantity for RMC?

Most RMC plants have a minimum order of 3-6 cubic meters per delivery. Smaller quantities may incur additional charges or may not be economical.

Free Online Tool

RMC Calculator -Ready Mix Concrete Calculator

Calculate the exact quantity of Ready Mix Concrete needed for your construction project. Get instant volume estimates in cubic meters and approximate cost calculations.

Enter Dimensions

Application Type

Length (meters)

Width (meters)

Thickness(mm or m)

Enter in mm (e.g., 150) or meters (e.g., 0.15)

Quantity (number of units)

Concrete Grade

Wastage Allowance (%)

Calculation Results

Total Concrete Volume

0.00cubic meters (m³)

Raw volume: 0.00 m³ + 5% wastage

Estimated Cost (M25)

@ ₹4,600/m³ (approx.)

Transit Mixers Required

0(6 m³ capacity each)

M25 Grade - 25 MPa

Suitable for: Slabs, beams, columns

* Prices are approximate and may vary based on location, quantity, and current market rates. Contact local RMC plants for accurate quotations.

Need RMC for your project?

Find verified RMC plants near you

Find Plants

REFERENCE GUIDE

Concrete Grade Reference Chart

Choose the right grade based on your construction requirement

Grade	Strength	Common Use	Approx. Price/m³
M10	10 MPa	PCC, leveling	₹3,500
M15	15 MPa	PCC, flooring	₹3,800
M20	20 MPa	Slabs, beams (residential)	₹4,200
M25Selected	25 MPa	Slabs, beams, columns	₹4,600
M30	30 MPa	Structural elements	₹5,000
M35	35 MPa	Heavy structures	₹5,500
M40	40 MPa	Pre-stressed concrete	₹6,000
M45	45 MPa	Bridges, marine	₹6,500
M50	50 MPa	Special structures	₹7,000

* Prices are indicative and vary by location. M stands for Mix, and the number represents the characteristic compressive strength in MPa after 28 days of curing.

How to Use the RMC Calculator

Our free RMC Calculator helps you estimate the exact amount of Ready Mix Concrete required for your construction project. Whether you're building a residential slab, foundation, columns, or any other concrete structure, this tool provides accurate volume calculations in cubic meters.

Step-by-Step Guide

Select Application Type: Choose the type of structure - slab, foundation, column, beam, etc.
Enter Dimensions: Input length, width, and thickness in meters (or mm for thickness).
Specify Quantity: If you have multiple similar elements (e.g., 4 columns), enter the quantity.
Choose Concrete Grade: Select the appropriate grade based on structural requirements.
Add Wastage: Include 5-10% for wastage, spillage, and uneven surfaces.
Get Results: View the total volume, estimated cost, and number of transit mixers needed.

Understanding Concrete Grades

Concrete grades are designated by the letter 'M' followed by a number. The 'M' stands for 'Mix' and the number represents the characteristic compressive strength of concrete in MPa (Megapascals) after 28 days of curing.

For example, M25 grade concrete has a characteristic compressive strength of 25 MPa. Higher grade concrete is stronger but also more expensive. The choice of grade depends on the structural load requirements as specified by a structural engineer.

Benefits of Using Ready Mix Concrete

Consistent Quality: Factory-controlled mixing ensures uniform quality in every batch
Time Savings: No on-site mixing required, reducing labor and time
Reduced Wastage: Order exactly what you need with accurate calculations
Better Strength: Precise mix ratios result in optimal concrete strength
Environmental Benefits: Less dust, noise, and material waste at the construction site
Cost Effective: Faster construction and reduced labor costs offset material costs

Tips for Ordering RMC

Always verify the calculation with your structural engineer before ordering
Consider site conditions - pump placement, access for transit mixers
Order slightly more (5-10%) than calculated to account for wastage
Plan the pouring schedule to avoid cold joints
Arrange for adequate labor and vibrators before delivery
Check water availability for curing after the pour

FAQ

Frequently Asked Questions

Ready to Order RMC?

Find verified Ready Mix Concrete plants near your project location. Compare prices, read reviews, and get quotes instantly.

Browse RMC Plants Search by City

Grade

Strength

Common Use

Approx. Price/m³

M10

10 MPa

PCC, leveling

₹3,500

M15

15 MPa

PCC, flooring

₹3,800

M20

20 MPa

Slabs, beams (residential)

₹4,200

M25Selected

25 MPa

Slabs, beams, columns

₹4,600

M30

30 MPa

Structural elements

₹5,000

M35

35 MPa

Heavy structures

₹5,500

M40

40 MPa

Pre-stressed concrete

₹6,000

M45

45 MPa

Bridges, marine

₹6,500

M50

50 MPa

Special structures

₹7,000

How to Use the RMC Calculator

Step-by-Step Guide

Select Application Type: Choose the type of structure - slab, foundation, column, beam, etc.

Enter Dimensions: Input length, width, and thickness in meters (or mm for thickness).

Specify Quantity: If you have multiple similar elements (e.g., 4 columns), enter the quantity.

Choose Concrete Grade: Select the appropriate grade based on structural requirements.

Add Wastage: Include 5-10% for wastage, spillage, and uneven surfaces.

Get Results: View the total volume, estimated cost, and number of transit mixers needed.

Understanding Concrete Grades

Benefits of Using Ready Mix Concrete

Consistent Quality: Factory-controlled mixing ensures uniform quality in every batch

Time Savings: No on-site mixing required, reducing labor and time

Reduced Wastage: Order exactly what you need with accurate calculations

Better Strength: Precise mix ratios result in optimal concrete strength

Environmental Benefits: Less dust, noise, and material waste at the construction site

Cost Effective: Faster construction and reduced labor costs offset material costs

Tips for Ordering RMC

Always verify the calculation with your structural engineer before ordering

Consider site conditions - pump placement, access for transit mixers

Order slightly more (5-10%) than calculated to account for wastage

Plan the pouring schedule to avoid cold joints

Arrange for adequate labor and vibrators before delivery

Check water availability for curing after the pour