How Much Does a Incandescent Bulb Cost to Run?
Incandescent bulbs are very inefficient and one of the easiest energy savings opportunities in any home.
Quick Summary
Typical Wattage
60W
0.1 kW
Est. Daily Cost
R0.75
5h/day
Est. Monthly Cost
R22.41
at R2.49/kWh
Calculate Your Incandescent Bulb Electricity Cost
Adjust the values below to match your usage.
Daily kWh
0.30 kWh
Monthly kWh
9.0 kWh
Cost Breakdown
| Period | Cost |
|---|---|
| Per day | R0.75 |
| Per week | R5.23 |
| Per month | R22.41 |
| Per year | R272.65 |
Tips to Reduce Your Incandescent Bulb Electricity Cost
- 1.Replace immediately with LED bulbs.
- 2.Switch off whenever you leave the room.
- 3.Swap multiple bulbs at once to see a meaningful bill impact.
Compare With Other Lighting Appliances
Frequently Asked Questions
How much electricity does a incandescent bulb use per month?
A typical incandescent bulb uses 60W and, when used for 5 hours per day at R2.49/kWh, costs approximately R22.41 per month (9.0 kWh).
How many watts does a incandescent bulb use?
A typical incandescent bulb in South Africa uses approximately 60 watts (0.1 kW). Actual wattage may vary by brand and model - check the rating plate on your appliance for the exact figure.
How can I reduce the electricity cost of my incandescent bulb?
Replace immediately with LED bulbs. Switch off whenever you leave the room. See our full list of tips above for more ways to save.
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