Construction Material Calculator
How much cement, steel, sand, gitti and brick will your house need, and what will it cost at today's Patna or Ranchi prices? Every price can be changed to match your dealer's quote.
Thumb rules used
| Material | Per sq.ft of built-up area |
|---|---|
| Cement | 0.45 bag (50 kg) |
| Steel (TMT) | 3.5 kg (1 floor) rising to 5.3 kg (5 floors); +0.4 kg in seismic zone V |
| Sand | 2 cft |
| Aggregate (gitti) | 1.9 cft |
| Bricks | about 8 |
Cement, sand and aggregate ratios follow UltraTech's published home-building thumb rules. Steel is raised for multi-storey buildings and earthquake detailing (IS 13920), which Patna (zone IV) and north Bihar (zone V) need.
How many cement bags for a 1,000 sq.ft house?
About 450 bags for 1,000 sq.ft of built-up area, at 0.45 bags per sq.ft. At ₹400 a bag that is about ₹1.8 lakh.
How much steel for a G+1 house in Patna?
About 4 kg per sq.ft for two floors in zone IV. A 1,800 sq.ft G+1 house needs roughly 7.2 tonnes.