55 Miles/Gallon (UK) to Kilometer/Gallon (US)
Quick answer
55 Miles/Gallon (UK) (mpg (UK)) equals
73.703226 km/gal
To convert 55 Miles/Gallon (UK)s to Kilometer/Gallon (US)s, multiply by 1.3400586524. Therefore, 55 Miles/Gallon (UK) (mpg (UK)) equals 73.703226 Kilometer/Gallon (US) (km/gal).
Formula: km/gal = mpg (UK) × 1.3400586524. Calculation: 55 × 1.3400586524 = 73.703226 km/gal.
Convert Miles/Gallon (UK) (mpg (UK)) to Kilometer/Gallon (US) (km/gal) online with our free unit converter. In fuel economy, 1 mpg (UK) = 1.340059 km/gal. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Miles/Gallon (UK) to Kilometer/Gallon (US)
- Step 1 — start with the formula. km/gal = mpg (UK) × 1.3400586524
- Step 2 — substitute your figure. 55 mpg (UK) × 1.3400586524
- Step 3 — read the result. 55 mpg (UK) = 73.703226 km/gal
- Step 4 — check it in reverse. mpg (UK) = km/gal × 0.7462359936 returns 55 mpg (UK), which matches the figure you started with.
Fuel Economy Converter
11 units available
55 mpg (UK) = 73.703226 km/gal
Formula:
km/gal = mpg (UK) × 1.3400586524With your value: 55 mpg (UK) = 73.70322588 km/gal
Other Miles/Gallon (UK) to Kilometer/Gallon (US) conversions
Miles/Gallon (UK) to Kilometer/Gallon (US) Conversion Table
| Miles/Gallon (UK) (mpg (UK)) | Kilometer/Gallon (US) (km/gal) |
|---|---|
| 0.5 | 0.670029 |
| 1 | 1.340059 |
| 2 | 2.680117 |
| 5 | 6.700293 |
| 10 | 13.400587 |
| 15 | 20.10088 |
| 20 | 26.801173 |
| 25 | 33.501466 |
| 50 | 67.002933 |
| 100 | 134.005865 |
| 250 | 335.014663 |
| 500 | 670.029326 |
| 1000 | 1,340.058652 |
Kilometer/Gallon (US) to Miles/Gallon (UK) Conversion Table
| Kilometer/Gallon (US) (km/gal) | Miles/Gallon (UK) (mpg (UK)) |
|---|---|
| 0.5 | 0.373118 |
| 1 | 0.746236 |
| 2 | 1.492472 |
| 5 | 3.73118 |
| 10 | 7.46236 |
| 15 | 11.19354 |
| 20 | 14.92472 |
| 25 | 18.6559 |
| 50 | 37.3118 |
| 100 | 74.623599 |
| 250 | 186.558998 |
| 500 | 373.117997 |
| 1000 | 746.235994 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Miles/Gallon (UK) (mpg (UK))
Fuel Economy
Composite of a defined volume and a defined length. US and imperial gallons differ, so mpg figures are not interchangeable between them.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Kilometer/Gallon (US) (km/gal)
Fuel Economy
Composite of a defined volume and a defined length. US and imperial gallons differ, so mpg figures are not interchangeable between them.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Miles/Gallon (UK) to Kilometer/Gallon (US)
To convert from Miles/Gallon (UK) (mpg (UK)) to Kilometer/Gallon (US) (km/gal), multiply the value by 1.3400586524.
Formula: km/gal = mpg (UK) × 1.3400586524
Reverse: mpg (UK) = km/gal × 0.7462359936
Step-by-Step Example
- Start with your value in Miles/Gallon (UK). For example: 5 mpg (UK)
- Multiply by the conversion factor: 5 x 1.3400586524
- The result is: 6.700293 km/gal
Miles/Gallon (UK) and Kilometer/Gallon (US) Relationship
This calculation facilitates standardized conversion between recognized units of fuel economy. Since 1 Miles/Gallon (UK) equals approximately 1.3401 Kilometer/Gallon (US)s, the Miles/Gallon (UK) represents a larger unit interval than the Kilometer/Gallon (US). Understanding the relationship between Miles/Gallon (UK) and Kilometer/Gallon (US) is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Miles/Gallon (UK)
The Miles/Gallon (UK) (symbol: mpg (UK)) is a recognized unit in the Standard measurement framework, utilized within fuel economy applications for precision and standardized data representation.
Common uses of Miles/Gallon (UK): fuel economy calculations, engineering and science, education.
About Kilometer/Gallon (US)
The Kilometer/Gallon (US) (symbol: km/gal) is a recognized unit in the US Customary / Imperial measurement framework, utilized within fuel economy applications for precision and standardized data representation.
Common uses of Kilometer/Gallon (US): fuel economy calculations, engineering and science, education.
Frequently Asked Questions
- What is 55 Miles/Gallon (UK) in Kilometer/Gallon (US)?
- 55 Miles/Gallon (UK) equals 73.703226 Kilometer/Gallon (US).
- How many Kilometer/Gallon (US)s are in 1 Miles/Gallon (UK)?
- There are exactly 1.3400586524 Kilometer/Gallon (US)s in 1 Miles/Gallon (UK). This means the conversion factor from Miles/Gallon (UK) to Kilometer/Gallon (US) is 1.3400586524.
- What is the formula to convert Miles/Gallon (UK) to Kilometer/Gallon (US)?
- The formula to convert Miles/Gallon (UK) to Kilometer/Gallon (US) is: km/gal = mpg (UK) × 1.3400586524. For example, to convert 10 Miles/Gallon (UK)s to Kilometer/Gallon (US)s, you would multiply 10 by 1.3400586524.
- What is a Miles/Gallon (UK)?
- The Miles/Gallon (UK) (symbol: mpg (UK)) is a recognized unit in the Standard measurement framework, utilized within fuel economy applications for precision and standardized data representation.
- What is a Kilometer/Gallon (US)?
- The Kilometer/Gallon (US) (symbol: km/gal) is a recognized unit in the US Customary / Imperial measurement framework, utilized within fuel economy applications for precision and standardized data representation.
- What are the common uses of Miles/Gallon (UK)?
- The Miles/Gallon (UK) is commonly used in fuel economy calculations, engineering and science, education.
Related Fuel Economy Conversions
Cite this page
UnitConvertLab. (2026). 55 Miles/Gallon (UK) to Kilometer/Gallon (US). UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/55-mpg_uk-to-km_per_gallon_us