# Miles per kWh to kWh per 100 km Converter

> Convert electric vehicle efficiency from miles per kilowatt-hour to kilowatt-hours per 100 kilometers

**Category:** Conversion
**Keywords:** miles per kwh, kwh per 100 km, ev efficiency, electric vehicle, energy consumption, converter
**URL:** https://complete.tools/miles-per-kwh-to-kwh-100-km-converter

## How it calculates

The conversion from miles per kWh to kWh per 100 km is calculated using the formula: 

kWh/100 km = 100 ÷ (mi/kWh) 

In this equation, 'kWh/100 km' represents the energy consumption in kilowatt-hours required to travel 100 kilometers. The variable 'mi/kWh' is the efficiency measurement in miles per kilowatt-hour, indicating how many miles can be traveled per unit of energy. The relationship indicates that as efficiency (mi/kWh) increases, energy consumption (kWh/100 km) decreases, reflecting the inverse nature of these two metrics. Therefore, a higher miles per kWh value signifies better energy efficiency, resulting in lower energy consumption over a standard distance.

## Who should use this

1. Automotive engineers assessing and comparing electric vehicle performance metrics during design phases. 
2. Urban planners evaluating the energy consumption of electric public transport systems for sustainable city development. 
3. Fleet managers analyzing the energy efficiency of electric delivery vehicles to optimize operational costs. 
4. Environmental scientists studying the impact of electric vehicles on urban air quality and energy use patterns. 
5. Electric vehicle users comparing the efficiency of different models for personal or commercial use.

## Worked examples

Example 1: A user has an electric vehicle that achieves 4 miles per kWh. To convert this to kWh per 100 km, the calculation is: 

kWh/100 km = 100 ÷ 4 = 25 kWh/100 km. 

This indicates that the vehicle consumes 25 kilowatt-hours of energy to travel 100 kilometers. 

Example 2: Another vehicle has an efficiency of 3.5 miles per kWh. Using the formula again: 

kWh/100 km = 100 ÷ 3.5 ≈ 28.57 kWh/100 km. 

This means that this EV consumes approximately 28.57 kWh to cover the same distance. This step-by-step calculation helps users understand how different efficiencies translate to energy consumption over a common distance.

## Limitations

1. The tool assumes a constant rate of efficiency across all driving conditions, which may not reflect real-world variations such as speed, terrain, and weather. 
2. Precision is limited to the number of decimal places inputted, which can affect the accuracy of the conversion. 
3. The formula does not account for battery degradation over time, which can alter actual energy consumption. 
4. It does not differentiate between different driving styles, which can significantly impact energy usage. 
5. The calculator is based solely on direct conversions and does not provide insights on performance metrics beyond the given efficiency values.

## FAQs

**Q:** How does temperature affect electric vehicle efficiency?


**A:** Temperature can significantly impact battery performance and, consequently, electric vehicle efficiency. Cold temperatures can reduce battery capacity and efficiency, leading to higher kWh/100 km values. Conversely, warmer temperatures may improve performance but can also lead to increased energy consumption through climate control systems.


**Q:** Can this tool be used for hybrid vehicles?


**A:** While the tool is designed primarily for fully electric vehicles, it can be used for hybrids if only the electric efficiency portion is considered. However, hybrid vehicles have varying energy consumption depending on the mode of operation (electric vs. gasoline), which might complicate the comparison.


**Q:** What is the significance of knowing kWh per 100 km?


**A:** Understanding kWh per 100 km is vital for comparing the energy efficiency of different electric vehicles, helping users make informed decisions regarding vehicle choice, operational costs, and environmental impact.


**Q:** How does driving behavior influence these calculations?


**A:** Driving behavior, such as acceleration, speed, and braking, can significantly affect energy consumption. Aggressive driving typically results in higher kWh per 100 km, while efficient driving can improve mileage, leading to lower energy consumption.

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