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Miles per Gallon (UK) to Kilometers per Liter Conversion Calculator: Free Online Tool

Convert miles per UK gallon to kilometers per liter with our free online fuel consumption converter.

Miles per Gallon (UK) to Kilometers per Liter Calculator

Miles per Gallon (UK)
Kilometers per Liter

How to Use the Calculator:

  1. Enter the value you want to convert in the 'From' field (Miles per Gallon (UK)).
  2. The converted value in Kilometers per Liter will appear automatically in the 'To' field.
  3. Use the dropdown menus to select different units within the Fuel Consumption category.
  4. Click the swap button (⇌) to reverse the conversion direction.

How to Convert Miles per Gallon (UK) to Kilometers per Liter

Converting Miles per Gallon (UK) to Kilometers per Liter involves multiplying the value by a specific conversion factor, as shown in the formula below.

Formula:

1 Miles per Gallon (UK) = 0.354006 kilometers per liter

Example Calculation:

Convert 30 miles per UK gallon: 30 × 0.354006 = 10.6202 kilometers per liter

Disclaimer: For Reference Only

These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.

Not for professional use. Results should be verified before use in any critical application. View our Terms of Service for more information.

What is a Miles per Gallon (UK) and a Kilometers per Liter?

Miles per Gallon (UK), often abbreviated as MPG (UK) or simply MPG in the UK context, is a unit of fuel efficiency used primarily within the Imperial system. It quantifies the distance in miles that a vehicle can travel using one Imperial gallon of fuel. A higher MPG (UK) value indicates better fuel efficiency.

Kilometers per Liter (km/L) is a unit of fuel efficiency within the metric system. It quantifies the distance in kilometers that a vehicle can travel for every liter of fuel consumed. A higher value indicates better fuel economy.

Note: The Miles per Gallon (UK) is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Kilometers per Liter belongs to the metric (SI) system.

History of the Miles per Gallon (UK) and Kilometers per Liter

The Imperial gallon was defined in the UK Weights and Measures Act of 1824 and became the standard measure for liquids. Consequently, MPG based on this gallon became the traditional measure of vehicle fuel efficiency in the United Kingdom and several Commonwealth countries. While the metric unit L/100km is now also used officially (especially for new car regulations and comparisons), MPG (UK) remains deeply ingrained in public understanding and is widely used by consumers and in the media.

The adoption of Kilometers per Liter as a standard measure of fuel efficiency coincided with the widespread global adoption of the metric system for measuring both distance (kilometers) and volume (liters). It provides a direct and intuitive understanding of fuel economy in metric-based societies, contrasting with volume-per-distance measures like L/100km or distance-per-volume using different units like MPG.

Common Uses for miles per UK gallon and kilometers per liter

Explore the typical applications for both Miles per Gallon (UK) (imperial/US) and Kilometers per Liter (metric) to understand their common contexts.

Common Uses for miles per UK gallon

  • Consumer Vehicle Choice (UK): A primary factor for UK consumers when comparing the running costs and environmental impact of different vehicles.
  • Manufacturer Advertising (UK): Often highlighted in car advertisements and brochures targeting the UK market.
  • Used Car Sales (UK): Frequently quoted figure when evaluating and selling pre-owned vehicles.
  • Fuel Cost Estimation: Used by drivers to estimate fuel consumption and costs for journeys.
  • Informal Benchmarking: Common unit used in everyday conversation about car performance in the UK.

Common Uses for kilometers per liter

  • Vehicle Specifications: Used by manufacturers to state fuel economy in regions using the metric system (e.g., Europe, Japan, India, South America, Australia, Canada).
  • Consumer Comparison: Allows consumers to easily compare the fuel efficiency of different vehicles using a straightforward "distance per unit fuel" metric.
  • Government Regulations: Often used alongside L/100km in government standards and labeling for vehicle fuel economy and emissions.
  • Trip Planning: Helps drivers estimate fuel consumption and costs for journeys based on their vehicle's rating.

Frequently Asked Questions

Questions About Miles per Gallon (UK) (MPG (UK))

How is MPG (UK) different from MPG (US)?

The core difference is the gallon size. The Imperial gallon (UK) is larger than the US customary gallon (approximately 4.546 liters vs. 3.785 liters). Because a vehicle travels the same distance but the UK gallon contains more fuel, the MPG (UK) figure for a given vehicle will always be higher than its MPG (US) figure. Specifically, 1 MPG (UK) ≈ 1.201 MPG (US).

Is a higher MPG (UK) value better?

Yes, a higher MPG (UK) value signifies better fuel efficiency. It means the vehicle can cover more miles for each Imperial gallon of fuel consumed.

How do I convert MPG (UK) to L/100km?

To convert Imperial Miles Per Gallon to Liters per 100 kilometers, use the formula: L/100km ≈ 282.48 / MPG (UK). Note that unlike MPG, a lower L/100km value indicates better fuel efficiency.

How do I convert MPG (UK) to MPG (US)?

To convert Imperial Miles Per Gallon to US Miles Per Gallon, use the formula: MPG (US) ≈ MPG (UK) * 0.83267.

How do I convert MPG (UK) to km/L?

To convert Imperial Miles Per Gallon to Kilometers per Liter, use the formula: km/L ≈ MPG (UK) * 0.3540. Like MPG, a higher km/L value indicates better fuel efficiency.

About Kilometers per Liter (km/L)

Is a higher km/L value better?

Yes, a higher km/L value indicates better fuel efficiency. It means the vehicle can travel more kilometers using the same amount of fuel (one liter).

How do I convert km/L to L/100km?

To convert km/L to Liters per 100 kilometers (L/100km), divide 100 by the km/L value: L/100km = 100 / km/L. Note that for L/100km, a lower value indicates better fuel efficiency.

How do I convert km/L to MPG (US)?

To convert km/L to US Miles Per Gallon (MPG), multiply the km/L value by approximately 2.352: MPG (US) ≈ km/L * 2.352.

How do I convert km/L to MPG (Imperial)?

To convert km/L to Imperial Miles Per Gallon (MPG), used in the UK, multiply the km/L value by approximately 2.825: MPG (Imperial) ≈ km/L * 2.825.

Conversion Table: Miles per Gallon (UK) to Kilometers per Liter

Miles per Gallon (UK) (MPG (UK))Kilometers per Liter (km/L)
10.354
51.77
103.54
258.85
5017.7
10035.401
500177.003
1,000354.006

All Fuel Consumption Conversions

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