The currency below is all in SGD.

Rent for a single bedroom in suburb: $750

Utilities bill: $100

Food costs: $550 (eating out during weekdays at foodcourt and eating out in restaurants every weekend)

Phone bill and internet (normal usage for single person): $50

Transport (MRT, bus): $100

Daily product shopping $100

Entertainment: at least $150. Movie ticket is $10, concert tickets can be various ($40-250)