**How much cement and sand required for mortar 1:4?** in this topic we will learn about how to calculate cement sand quantity in 1:4 mortar. We know that cement mortar is mixture of cement and sand.

**ratio of mix is 1: 4** in which one part is cement and 4 part is sand. We know that cement mortar is used for many civil work like brick masonry, plastering work of internal and external sometime it is also used for dpc work.

**How much cement and sand required for mortar 1:4?**

**meaning of mix 1:4 mortar** – in this mix ratio of cement and sand in which one part is cement and 4 part is sand and by adding water. Water is added in mix mortar in about 20% of its dry volume.

■ **steps for how to calculate cement and sand quantity for mortar 1:4**

1) assume volume of mortar is 1m3

2) first calculate wet volume of mortar

3) calculate dry volume of mortar

4) calculation of cement quantity

5) calculation of sand quantity

**How to calculate dry volume of mortar 1:4**

■ given data:-

Assume volume of mortar = 1m3

Density of cement = 1440 kg/m3

Cement in 1 bag = 50 kg

1m3 = 35.3147 cubic feet

Mix ratio is = 1:4 ( one part is cement and 4 part is sand)

Total proportion = 1+4= 5

Part of cement = 1/5

Part of sand = 4/5

■ **calculation** :- we know that while we calculate dry volume of cement mortar cofactor 1.33 is multiply in wet volume of mortar considering wastage of mortar and volume increase

Wet volume of mortar = 1m3

Dry volume of mortar = wet volume × 1.33 = 1m3× 1.33 = 1.33 m3

Dry volume of mortar = 1.33 m3

**How much cement is required for mortar 1:4**

Weight of cement = part of cement × volume × density of cement

Weight = (1/5) × 1.33 m3×1440 kg/m3

Weight of cement = 383.04 kg

No of bags cement = 383.04/50 = 7.66 = 8

**For 1 cubic meter of 1:4 mortar you need 383 Kg ( 8 bags) of cement.**

**How much sand is required for mortar 1:4**

Volume of sand in m3 = (4/5)× 1.33 m3 = 1.064 m3

1m3 = 35.3147 cft

Volume of sand in cubic foot = 1.064 ×35.3147 = 37.57 Cuft

**For 1 cubic meter of 1:4 mortar you need 1.064 cubic meter ( 37.57 cft ) of sand**.

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For 1 cubic meter of 1:4 mortar you need 383 Kg ( 8 bags) of cement and 1.064 cubic meter ( 37.57 cft ) of sand.

Bikash Samanta says

100 sqft plaster 1:4 ratio motor, how many sand require set ?