Features

• Dual Unit System with Auto-Sync — Switch between metric (km / km-per-litre) and imperial (miles / mpg) units; distance, mileage, and price units sync automatically.
• Multi-Currency Support — Choose from ₹ (INR), $ (USD), € (EUR), and £ (GBP) to calculate trip costs in your local currency.
• Real-Time Calculation — Results update instantly as you type distance, mileage, or fuel price — no need to press a button every time.
• Copy & Download Reports — One-click copy of fuel required and total cost, or download a full text report (Forex-fuel-calculator.txt) for your records.
• 100% Private & Client-Side — All calculations happen locally in your browser; no data is uploaded, tracked, or stored on any server.