9 MPG to Liters – Answer with Formula




Conversion: 9 mpg to liters

The result of converting 9 miles per gallon to liters per 100 kilometers is approximately 26.13 liters. This means that driving 100 km would consume about 26.13 liters of fuel based on that efficiency.

To convert mpg to liters per 100 km, we use the conversion factor where 1 mpg equals about 0.4251 liters per km, then multiply by 100 to get liters per 100 km. The calculation considers that 1 mile is approximately 1.60934 km and 1 gallon equals 3.78541 liters.

What is the result of 9 mpg in liters?

9 miles per gallon converts to roughly 26.13 liters per 100 km. This provides a clear idea of fuel consumption in metric units, helping compare vehicle efficiencies across different measurement systems.

Conversion Tool


Result in liters:

Conversion Formula

The formula to convert mpg to liters per 100 km is: Liters per 100 km = 235.214583 / mpg. This works because 1 mile equals 1.60934 km, and 1 gallon equals 3.78541 liters. Dividing 235.214583 by mpg gives the liters consumed per 100 km.

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For example, if a car gets 10 mpg, then: 235.214583 / 10 = 23.52 liters per 100 km. This calculation shows how much fuel is used over that distance, making it easier to compare fuel efficiency across measurement systems.

Conversion Example

  • Convert 15 mpg:
    • Step 1: Use the formula, 235.214583 / 15
    • Step 2: Divide 235.214583 by 15, which equals approximately 15.68 liters per 100 km.
  • Convert 20 mpg:
    • Step 1: 235.214583 / 20
    • Step 2: Result is about 11.76 liters per 100 km.
  • Convert 25 mpg:
    • Step 1: 235.214583 / 25
    • Step 2: This gives roughly 9.41 liters per 100 km.
  • Convert 30 mpg:
    • Step 1: 235.214583 / 30
    • Step 2: Resulting in approximately 7.84 liters per 100 km.

Conversion Chart

mpgliters per 100 km
-16.0-14.76
-14.0-16.80
-12.0-19.60
-10.0-23.52
-8.0-29.40
-6.0-39.20
-4.0-58.80
-2.0-117.60
0.0— (infinite consumption)
2.0117.60
4.058.80
6.039.20
8.029.40
10.023.52
12.019.60
14.016.80
16.014.76
18.013.07
20.011.76
22.010.70
24.09.80
26.09.05
28.08.41
30.07.84
32.07.37
34.06.94

This chart helps you see how mpg relates to liters per 100 km across a range of values. To find the liters per 100 km for any mpg value, locate the mpg in the first column and read across.

Related Conversion Questions

  • How many liters per 100 km is 9 mpg?
  • What is the fuel consumption in liters for 9 mpg?
  • How do I convert 9 miles per gallon into liters per 100 km?
  • What is the equivalent of 9 mpg in liters per 100 km?
  • Can I convert 9 mpg to liters per 100 km manually?
  • What is the formula to change mpg to liters?
  • How does 9 mpg compare to other fuel efficiencies in liters per 100 km?
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Conversion Definitions

mpg (miles per gallon) measures how many miles a vehicle can travel on one gallon of fuel, indicating fuel efficiency in imperial units. It’s a common metric used in the US and UK, with higher values meaning better fuel economy.

Liters measures the volume of liquid, with liters used to quantify fuel in metric systems. In fuel efficiency, liters per 100 km indicates how many liters are needed to travel 100 kilometers, with lower numbers representing higher efficiency.

Conversion FAQs

Can I convert mpg to liters per 100 km without a calculator?

Yes, by using the formula 235.214583 divided by mpg, you can estimate the liters per 100 km manually. For quick estimates, memorize key conversions like 10 mpg roughly equals 23.52 liters per 100 km.

Why is the conversion factor 235.214583?

This number results from combining the conversion factors for miles to km and gallons to liters, specifically 100 * 3.78541 / 1.60934. It simplifies the process of converting mpg to liters per 100 km in a single step.

Is the conversion different for US and UK mpg?

Yes, because UK mpg uses imperial gallons, which are larger than US gallons. The conversion factor would change slightly, approximately 282.481, to account for the larger gallon size in UK measurements.

How accurate is the conversion from mpg to liters per 100 km?

The calculation is highly accurate when using the precise conversion factor 235.214583, but small differences occur due to rounding or approximations in the constants. For most practical purposes, the result is reliable.

What is the significance of converting mpg to liters per 100 km?

This allows comparisons of fuel efficiency across countries using different measurement systems, helping consumers understand vehicle performance in familiar units, especially when evaluating international vehicle options.

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About Author

Chara Yadav holds MBA in Finance. Her goal is to simplify finance-related topics. She has worked in finance for about 25 years. She has held multiple finance and banking classes for business schools and communities. Read more at her bio page.