How Much Does a Laptop Cost to Run?
Laptops are much more energy-efficient than desktop computers and are one of the best ways to reduce home-office electricity use.
Quick Summary
Typical Wattage
65W
0.1 kW
Est. Daily Cost
R1.29
8h/day
Est. Monthly Cost
R38.84
at R2.49/kWh
Calculate Your Laptop Electricity Cost
Adjust the values below to match your usage.
Daily kWh
0.52 kWh
Monthly kWh
15.6 kWh
Cost Breakdown
| Period | Cost |
|---|---|
| Per day | R1.29 |
| Per week | R9.06 |
| Per month | R38.84 |
| Per year | R472.60 |
Tips to Reduce Your Laptop Electricity Cost
- 1.Use battery-saver mode.
- 2.Reduce screen brightness.
- 3.Unplug once fully charged where appropriate.
- 4.Close unused apps and tabs.
Compare With Other Home Office Appliances
Frequently Asked Questions
How much electricity does a laptop use per month?
A typical laptop uses 65W and, when used for 8 hours per day at R2.49/kWh, costs approximately R38.84 per month (15.6 kWh).
How many watts does a laptop use?
A typical laptop in South Africa uses approximately 65 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 laptop?
Use battery-saver mode. Reduce screen brightness. See our full list of tips above for more ways to save.
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