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Laptop / Notebook
A laptop consumes only 20 to 60 Watts and is up to 70% more efficient than a desktop PC.
Laptop / Notebook — Live Electricity Cost Calculator
Live CalculationEnter the wattage of your device and the daily hours of usage:
Quick Presets / Typical Power:
40 Watts (0.04 kW)
Watts
8 hrs/day
hrs/day
Benchmark: 35 ct/kWh
ct/kWh
Tip: Check your latest electricity bill for your exact price per kWh.
Advanced Options (Days/Week & Base Fee) ▼
€/Monat
Calculated Results 40 W • 8h/day
Cost per Month 3,41 € 9,7 kWh
Cost per Year 40,88 € 117 kWh
Per Hour 0,01 € 0.04 kWh
Per Day 0,11 € 0,32 kWh
Per Week 0,78 € 2,2 kWh
Formula:
kWh = Watts × Hours ÷ 1,000 •
Cost = kWh × Rate ÷ 100 📊 Overview & Benchmarks
Typical Annual Cost 40,25 €/year
Annual Consumption 115 kWh/year
Typical Power 40 W
Typical Daily Usage 8 h / Tag
⚡ Duty Cycle & Power Details
Highly optimized mobile processors designed for battery efficiency.
💡 Effective Energy Saving Tips
- ✓ Lower screen brightness slightly.
- ✓ Disconnect external peripherals when not needed.
Frequently Asked Questions (FAQ)
What does running a laptop cost per day?
For 8 hours of daily use, a laptop costs only about 6 to 12 cents per day.
Related Calculators & Guides
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Transparency & Sources
Die Berechnungsgrundlagen, Verbrauchswerte und Strompreis-Referenzen auf dieser Seite basieren auf validierten Daten offizieller Stellen:
- Umweltbundesamt (UBA) Energieeffizienz & Stromverbrauch UmweltbundesamtOpen Source
- Stromspiegel für Deutschland co2online gemeinnützige GmbH (gefördert vom Bundesministerium für Wirtschaft und Klimaschutz)Open Source
Detailed Formulas & Methodology: View Methodology Page →