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kWhKlar Electricity & Energy
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Desktop PC (Office)

A standard office desktop consumes approx. 50 to 100 Watts (approx. 1.8 to 3.5 cents per hour).

Desktop PC (Office) — Live Electricity Cost Calculator

Live Calculation

Enter the wattage of your device and the daily hours of usage:

Quick Presets / Typical Power:
90 Watts (0.09 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 90 W • 8h/day
Cost per Month 7,67 € 21,9 kWh
Cost per Year 91,98 € 263 kWh
Per Hour 0,03 € 0.09 kWh
Per Day 0,25 € 0,72 kWh
Per Week 1,76 € 5 kWh
Formula: kWh = Watts × Hours ÷ 1,000  •  Cost = kWh × Rate ÷ 100

📊 Overview & Benchmarks

Typical Annual Cost 91,00 €/year
Annual Consumption 260 kWh/year
Typical Power 90 W
Typical Daily Usage 8 h / Tag

Duty Cycle & Power Details

Low base power during writing, browsing, and office applications.

💡 Effective Energy Saving Tips

  • Set automatic sleep mode after 15 minutes of inactivity.
  • Use switchable power strips.

Frequently Asked Questions (FAQ)

How much power does an office PC use when working from home?
During an 8-hour workday, an office PC consumes approx. 0.5 to 0.8 kWh (approx. 18–28 cents).

Transparency & Sources

Die Berechnungsgrundlagen, Verbrauchswerte und Strompreis-Referenzen auf dieser Seite basieren auf validierten Daten offizieller Stellen:

  • Umweltbundesamt (UBA) Energieeffizienz & Stromverbrauch Umweltbundesamt
    Open Source
  • Stromspiegel für Deutschland co2online gemeinnützige GmbH (gefördert vom Bundesministerium für Wirtschaft und Klimaschutz)
    Open Source
Detailed Formulas & Methodology: View Methodology Page →