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Fuel Consumption Converter

Convert between miles per gallon (MPG US & UK), liters per 100 km, and kilometers per liter.

Quick Fuel Consumption Converter
1 Miles per Gallon (US) = 1.2 Miles per Gallon (UK)
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Fuel ConsumptionConversion Formulas & Examples

Miles per Gallon (US) → Liters per 100km
1 mpg = 235.2146 L/100km

Example: 10 mpg = 23.5215 L/100km

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Liters per 100km → Miles per Gallon (US)
1 L/100km = 235.2146 mpg

Example: 10 L/100km = 23.5215 mpg

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Frequently Asked Questions

Q.How do you convert MPG (US) to L/100km?

Because MPG and L/100km have an inverse relationship, divide 235.2146 by your US MPG value (or divide by L/100km to get US MPG). For example, 30 MPG (US) ≈ 7.84 L/100km.

Q.What is the difference between US MPG and UK (Imperial) MPG?

An Imperial gallon (4.54609 L) is about 20% larger than a US liquid gallon (3.78541 L). Multiply US MPG by 1.20095 to get UK MPG, or divide 282.481 by UK MPG to get L/100km.

Q.How do you convert km/L to L/100km?

Divide 100 by the km/L value to get L/100km (L/100km = 100 ÷ km/L). For example, 12.5 km/L equals 8.0 L/100km.

Q.How do you convert km/L to US MPG?

Multiply kilometers per liter (km/L) by 2.35215 to convert to US miles per gallon.

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