Fuel Cost Calculator
Calculate trip fuel requirements and total gas costs based on distance and mileage.
fuel cost-calculator Inputs
About Fuel Cost Calculator
The Fuel Cost & Gas Trip Calculator calculates total travel fuel expenses, required gasoline/diesel volume, fuel economy (MPG, L/100km, km/L), and per-passenger carpool split costs for road trips and fleet management.
How to Use Fuel Cost Calculator
Step 1
Enter your total trip distance (or toggle round-trip).
Step 2
Enter your vehicle fuel efficiency (MPG or L/100km).
Step 3
Enter current fuel price per gallon or liter.
Step 4
Review total trip cost, fuel consumption, and per-person split.
Practical Use Cases for Fuel Cost Calculator
Road Trip & Vacation Budget Planning
Estimate total fuel budget before embarking on cross-country road trips and highway drives.
Carpool & Ride Share Cost Sharing
Fairly split fuel expenses among coworkers and travel companions based on exact route distance.
Input & Output Examples
Calculating Fuel for 450 km Trip at 7.5 L/100km
Distance: 450 km, Consumption: 7.5 L/100km, Gas Price: $1.60/L, Passengers: 3
Total Fuel: 33.75 Liters | Total Cost: $54.00 | Cost Per Person: $18.00
Key Features & Performance
- ✓Supports Metric (km, Liters, L/100km) and US/UK Imperial (miles, Gallons, MPG).
- ✓Calculates total fuel quantity, total expenditure, and cost per kilometer/mile.
- ✓Carpool passenger split calculator.
- ✓Round-trip (2-way) toggle.
- ✓100% Client-Side calculation.
- ✓1-Click Copy fuel summary.
Key Terminology & Definitions
L/100km vs MPG
Liters per 100 km measures volume consumed over a fixed distance (lower is better); Miles Per Gallon measures distance traveled per unit volume (higher is better).
Fuel Economy Conversion
The mathematical formula: `MPG (US) = 235.215 / (L/100km)`.
