How to calculate fuel cost per km for Petrol, Diesel, CNG, LPG or Electric car?

Enter your vehicle's mileage and current fuel or electricity price per unit in the Fuel Cost Calculator. It will automatically calculate cost per km for Petrol, Diesel, CNG, LPG, and Electric vehicles in India.

Which is cheaper — Petrol, Diesel, CNG, LPG, or Electric (EV)?

As of 2025, Electric vehicles usually offer the lowest cost per km, followed by CNG, Diesel, LPG, and then Petrol. However, actual cost depends on local prices and vehicle efficiency.

About Digital Tool Desk

Digital Tool Desk is an independent online utility platform created to help users
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Our goal is to provide simple, browser-based tools that do not require software
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What We Do

We build and maintain online tools that allow users to preview cloud storage links
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Our Approach

Digital Tool Desk does not host any user content. All tools work only with
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Why Digital Tool Desk

Simple and easy-to-use interface
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Privacy-focused design
Accessible on desktop and mobile devices

Contact

If you have questions or feedback, you can reach us through the Contact page.