Construction Calculator for Singapore

Free construction calculators preconfigured for Singapore. FRELUX runs every calculation with this market's template defaults: local wall units, 50kg cement bags, and local electrical and plumbing practice. Prices come from the live price database in SGD (S$).

Singapore building-practice defaults

• Default wall unit: Standard Clay Brick (215x102.5x65mm) (215 x 65 x 102.5 mm)
• Cement bag weight: 50 kg
• Currency: SGD (S$)

Electrical practice

• Standards: SS 638:2018 (formerly CP 5 - Code of practice for electrical installations) & SS 246
• Nominal voltage: 230V single-phase / 400V 3-phase
• Typical wiring: PVC insulated Cu cables (SS 358-3 / BS 6004) enclosed in surface or concealed high-impact uPVC/steel conduit

Plumbing practice

• Standards: PUB Singapore Public Utilities (Water Supply) Regulations, SS 675 / SS 213 (Sanitary drainage)
• Water supply piping: Copper pipe (SS 245 / BS EN 1057) or Stainless steel Grade 316 (SS 508 / BS EN 10312)

Start a calculation

• Build-to-Roof Estimator: full construction cost from foundation to roof
• BOQ Generator: bill of quantities with VAT and contingency
• Electrical Estimator: wiring takeoff per Singapore practice
• Plumbing Estimator: water supply and drainage takeoff
• Regional Cost Index: current material price levels

Are these figures certified for Singapore?

They are template starting defaults for quantity takeoffs, referenced to the standards listed above. Always confirm sizes, materials and current prices with your local supplier or licensed professional before purchasing.