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⛽ حاسبة تكلفة الوقود

احسب تكلفة الوقود لأي رحلة. أدخل المسافة والكفاءة وسعر الوقود.

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حاسبة تكلفة الوقود

How to Calculate Fuel Cost for Any Trip

Fuel cost calculation is straightforward: Fuel needed = Distance / Fuel efficiency, then Cost = Fuel needed × Price per unit.

In MPG (US): Fuel (gallons) = Miles / MPG. Example: 500 mile trip at 30 MPG at $3.50/gallon → 500/30 = 16.67 gallons × $3.50 = $58.33.

In L/100km (metric): Fuel (liters) = Distance(km) × L/100km / 100. Example: 500 km trip at 8 L/100km at $1.50/liter → 500 × 8/100 = 40 liters × $1.50 = $60.00.

To convert: 1 MPG ≈ 235.21 / L/100km. So 30 MPG ≈ 235.21/30 = 7.84 L/100km. Fuel efficiency affects trip cost significantly — improving from 20 MPG to 30 MPG saves 33% on fuel costs for the same trip.

Frequently Asked Questions

What is the average gas mileage (MPG) for cars?+
In the US (2025), new cars average about 28–35 MPG combined. SUVs average 22–28 MPG; trucks 18–24 MPG; hybrid vehicles 45–55 MPG; plug-in hybrids 40–60 MPG equivalent. Older vehicles typically achieve lower figures.
How do I improve my fuel economy?+
Maintain steady speeds (highway is more efficient than stop-and-go city driving), keep tires properly inflated (+3.3% fuel economy per 10 PSI), remove excess weight, avoid hard acceleration and braking, use cruise control on highways, and ensure regular maintenance (clean air filter, fresh oil).
What is the difference between MPG and L/100km?+
MPG (miles per gallon) — higher is more efficient. L/100km (liters per 100 kilometers) — lower is more efficient. These are inverse relationships. To convert: L/100km = 235.21 / MPG. A car rated 30 MPG = 7.84 L/100km.
How do I calculate annual fuel cost?+
Estimate your annual mileage (US average is about 15,000 miles/year), divide by MPG to get gallons, then multiply by current gas price. Example: 15,000 miles ÷ 28 MPG × $3.60/gallon ≈ $1,929/year in fuel.

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