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Gas (Trip Fuel & Cost) Calculator

Plan your trip: distance, fuel economy, price — everything updates in real time.

🚗 Distance i

⛽ Fuel economy i

💲 Fuel price i

👥 People splitting the cost i

Fuel used

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Total cost

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Cost per person

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📊 Fuel used (detail)

Amount: —

🧮 Price basis

Calculated with: —

Step-by-step derivation

Enter values above to see the algebra.

Quick summary

Your trip overview will appear here.

Reference

Conversion	Value	Notes
1 mile (mi) → km	1.60934 km	Exact (international mile)
1 US gallon → L	3.785411784 L	NIST
1 UK (Imp) gallon → L	4.54609 L	UK Weights & Measures
mpg (US) → L/100km	235.214583 ÷ mpg	Derived
mpg (UK) → L/100km	282.480936 ÷ mpg	Derived

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