# MPG to L/100km

Convert miles per gallon to liters per 100 kilometers with configurable decimal precision

> Canonical page: https://elysiatools.com/en/tools/mpg-to-l-per-100km

- **Category:** Math & Numbers

- **Keywords:** mpg, l/100km, fuel economy, miles per gallon, conversion

## Overview

Enter US miles per gallon and convert with L/100km = 235.214583 ÷ mpg.

## Inputs

- **MPG** (number): e.g. 30
- **Decimal Precision** (number)

## When to use

- When comparing the fuel efficiency of American vehicles measured in MPG against European or metric standards measured in L/100km.
- When importing a car from the US and needing to calculate its fuel consumption rate for local registration or comparison.
- When analyzing automotive datasets that mix imperial and metric fuel economy metrics.

## How it works

- Enter the fuel economy value in US miles per gallon (MPG) into the input field.
- Set your desired decimal precision to control the rounding of the output.
- The tool calculates the metric equivalent using the formula: L/100km = 235.214583 / MPG.
- View or copy the converted result instantly in structured JSON format.

## Use cases

- Converting US car specification sheets to metric units for international buyers.
- Standardizing fuel consumption data in automotive research spreadsheets.
- Calculating fuel costs for road trips when driving a US-spec rental car in a country using metric measurements.

## Frequently asked questions

### What formula is used for the MPG to L/100km conversion?

The tool uses the standard conversion formula: L/100km = 235.214583 / MPG.

### Does this tool support UK (Imperial) MPG?

No, this tool specifically converts US miles per gallon to liters per 100 kilometers.

### Can I customize the number of decimal places in the output?

Yes, you can adjust the decimal precision setting from 0 up to 10 decimal places.

### Why does a higher MPG result in a lower L/100km value?

MPG measures distance per unit of fuel, while L/100km measures fuel volume per distance; therefore, they are inversely proportional.

### Is there a limit to the MPG value I can input?

You can input any positive number, though extremely low values close to zero will yield very high L/100km results.

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