Air-Con Running Cost Calculator
Estimates what running the air-con costs each month.
Result
- Monthly kWh
- 288 kWh
- Monthly cost
- S$86.40
How to use the air-con running cost calculator
- Enter the air-con power (watts).
- Enter the hours used per day.
- Enter the tariff (cents per kWh).
- The results update as you type, or press Calculate.
- Read the monthly kwh first, then the supporting figures below it.
Formula
kWh = watts ÷ 1,000 × hours; cost = kWh × tariff.
Worked example
For example, with these inputs:
- Air-con power (watts): 1,200
- Hours used per day: 8
- Tariff (cents per kWh): 30
the calculator returns:
- Monthly kWh: 288 kWh
- Monthly cost: S$86.40
Background
Calculators make it easy to compare scenarios side by side: a shorter tenure versus a lower instalment, a higher deposit versus more cash in hand, or paying down debt versus investing. Seeing the total cost, not just the monthly figure, usually makes the better choice obvious.
An emergency fund of three to six months of essential expenses protects you from having to borrow at high rates when something unexpected happens. Once that buffer is in place, extra savings can go towards longer-term goals and investments.
Frequently asked questions
How does the air-con running cost calculator work?
It applies this formula: kWh = watts ÷ 1,000 × hours; cost = kWh × tariff.
Is this financial advice?
No. It is a calculation tool. For decisions about loans or investments, compare official offer documents and consider speaking to a licensed adviser.