Thumb Rule for concrete Mix Quantity ( Cement , Sand & Aggregate )

M10 ( 1 : 3.92 : 5.62 )

Cement : 210 Kg/ m3
20 mm Jelly : 708 Kg/ m3
12.5 mm Jelly : 472 Kg/ m3
River sand : 823 Kg/m3
Total water : 185 Kg/ m3
Fresh concrete density: 2398 Kg/m3

M20 ( 1 : 2.48 : 3.55)

Cement : 320 Kg/ m3
20 mm Jelly : 683 Kg/ m3
12.5 mm Jelly : 455 Kg/ m3
River sand : 794 Kg/ m3
Total water : 176 Kg/ m3
Admixture : 0.7%
Fresh concrete density: 2430 Kg/ m3


M25 ( 1 : 2.28 : 3.27)

Cement : 340 Kg/ m3
20 mm Jelly : 667 Kg/ m3
12.5 mm Jelly : 445 Kg/ m3
River sand : 775 Kg/ m3
Total water : 185 Kg/ m3
Admixture : 0.6%
Fresh concrete density: 2414 Kg/ m3
Note: sand 775 + 2% moisture, Water 185 -20.5 = 164 Liters,
Admixture = 0.5% is 100ml

M30 ( 1 : 2 : 2.87)

Cement : 380 Kg/ m3
20 mm Jelly : 654 Kg/ m3
12.5 mm Jelly : 436 Kg/ m3
River sand : 760 Kg/m3
Total water : 187 Kg/ m3
Admixture : 0.7%
Fresh concrete density: 2420 Kg/ m3
Note: Sand = 760 Kg with 2% moisture (170.80+15.20)


M35 ( 1 : 1.79 : 2.57)

Cement : 410 Kg/ m3
20 mm Jelly : 632 Kg/ m3
12.5 mm Jelly : 421 Kg/ m3
River sand : 735 Kg/ m3
Total water : 200 Kg/m3
Admixture : 0.7%
Fresh concrete density: 2400 Kg/ m3
Note: sand = 735 + 2%, Water = 200- 14.7 = 185.30,
Admixture = 0.7%

M40 ( 1 : 1.67 : 2.39)


Cement : 430 Kg/ m3
20 mm Jelly : 618 Kg/ m3
12.5 mm Jelly : 412 Kg/ m3
River sand : 718 Kg/ m3
Water Cement ratio : 0.43
Admixture : 0.7%
Note: Sand = 718 + Bulkage 1%


M45 ( 1 : 1.58 : 2.26)

Cement : 450 Kg/ m3

20 mm Jelly : 626 Kg/m3
12.5 mm Jelly : 417 Kg/ m3

River sand : 727 Kg/m3

Bulkage 1%
Water Cement ratio : 0.43
Admixture : 0.7%

M50 ( 1 : 1.44 : 2.23)

Cement : 450 Kg/ m3
20 mm Jelly : 590 Kg/ m3
12.5 mm Jelly : 483 Kg/ m3
River sand : 689 Kg/ m3

Bulkage 12%
Water Cement ratio : 0.36 (188 Kg)
Admixture : 1.20%3
Micro silica : 30 Kg
Super flow 6.7% of cement

Leave a Reply

Your email address will not be published. Required fields are marked *