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mile per gallon uk to gallon us per 100 miles Converter

Convert mile per gallon (UK) [mpg UK] to gallon (US) per 100 miles [gal/100 mi US] instantly with formula, examples, chart, and FAQs.

Quick answer

1 mile per gallon (UK) [mpg UK] = 120.094993 gallon (US) per 100 miles [gal/100 mi US].

Use the calculator below for any custom value, then check the formula, examples, chart, and reverse conversion links.

mile per gallon uk to gallon us per 100 miles Converter

Instant results

Fuel economy uses reciprocal conversion: 1 mile per gallon (UK) [mpg UK] = 120.094993 gallon (US) per 100 miles [gal/100 mi US]. Enter any value for the exact reciprocal result.

Reverse conversion: gallon (US) per 100 miles to mile per gallon (UK)All Fuel Consumption unitsFull conversion chartStep-by-step guide
FormulaExamplesTableFAQ

Conversion Formula

Fuel economy uses reciprocal conversion: 1 mile per gallon (UK) [mpg UK] = 120.094993 gallon (US) per 100 miles [gal/100 mi US]. Enter any value for the exact reciprocal result.

Example: 1 mile per gallon (UK) [mpg UK] equals 120.094993 gallon (US) per 100 miles [gal/100 mi US].

Examples

1 mile per gallon (UK) [mpg UK] = 120.094993 gallon (US) per 100 miles [gal/100 mi US]
2 mile per gallon (UK) [mpg UK] = 60.047496 gallon (US) per 100 miles [gal/100 mi US]
5 mile per gallon (UK) [mpg UK] = 24.018999 gallon (US) per 100 miles [gal/100 mi US]
10 mile per gallon (UK) [mpg UK] = 12.009499 gallon (US) per 100 miles [gal/100 mi US]
15 mile per gallon (UK) [mpg UK] = 8.006333 gallon (US) per 100 miles [gal/100 mi US]
20 mile per gallon (UK) [mpg UK] = 6.00475 gallon (US) per 100 miles [gal/100 mi US]

Practical Uses for mile per gallon uk to gallon us per 100 miles

quick homework checksshopping and product comparisonstravel planningprofessional estimatesDIY and household measurementsgeneral reference

Sources and Accuracy

Fuel consumption conversions use liter per 100 kilometers as the reference unit. Economy units such as mpg and km/L use reciprocal formulas.

Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.

About These Units

mile per gallon (UK) [mpg UK]

Definition

The mile per gallon (UK) (mpg UK) is a fuel consumption unit used to express measurements in this converter.

History

This unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.

Current use

Use mile per gallon (UK) when comparing fuel consumption values, checking specifications, converting between systems, or preparing quick estimates.

gallon (US) per 100 miles [gal/100 mi US]

Definition

The gallon (US) per 100 miles (gal/100 mi US) is a fuel consumption unit used to express measurements in this converter.

History

This unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.

Current use

Use gallon (US) per 100 miles when comparing fuel consumption values, checking specifications, converting between systems, or preparing quick estimates.

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How to Convert

  1. Enter the value in the “From value” field.
  2. Confirm the source unit is mile per gallon (UK) [mpg UK].
  3. Confirm the target unit is gallon (US) per 100 miles [gal/100 mi US].
  4. Read the instant result and formula.

Where This Conversion Is Used

EducationConstructionShoppingTravelEngineeringEveryday planning

mile per gallon uk to gallon us per 100 miles Conversion Chart

Open full chart →
mile per gallon (UK) [mpg UK]gallon (US) per 100 miles [gal/100 mi US]
1120.094993
260.047496
524.018999
1012.009499
158.006333
206.00475
254.8038
304.003166
403.002375

Frequently Asked Questions

How do I convert mile per gallon (UK) to gallon (US) per 100 miles?

Use this formula: Fuel economy uses reciprocal conversion: 1 mile per gallon (UK) [mpg UK] = 120.094993 gallon (US) per 100 miles [gal/100 mi US]. Enter any value for the exact reciprocal result. Enter your value in the calculator and the result updates instantly.

How many gallon (US) per 100 miles are in 1 mile per gallon (UK)?

1 mile per gallon (UK) [mpg UK] equals 120.094993 gallon (US) per 100 miles [gal/100 mi US].

Can I reverse this conversion?

Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.

Convert mile per gallon (UK) to Other Units

mile per gallon (UK) to liter per 100 kilometersmile per gallon (UK) to liter per kilometermile per gallon (UK) to milliliter per kilometermile per gallon (UK) to kilometer per litermile per gallon (UK) to mile per gallon (US)mile per gallon (UK) to mile per litermile per gallon (UK) to gallon (UK) per 100 miles

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