Easily convert between MPG and L/100 KM with this simple fuel calculator. Track your fuel efficiency and journey costs by entering fuel amounts, distance driven, and price per unit. Save your calculations for future reference.



194+ iOS apps curated and reviewed
The best mpg fuel converter apps on iPhone average 4.7★ across 194+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | May 2026 | ||
| 2 | $0.99 | 5.0★ (7) | No | No | Jul 2026 | ||
| 3 | Free | 4.7★ (29K) | No | Yes | Sep 2026 | ||
| 4 | Free | 4.7★ (15K) | Yes | Yes | Sep 2026 | ||
| 5 | Free | 4.4★ (44) | No | No | Aug 2026 | ||
| 6 | Free | 4.7★ (2.6K) | No | No | Sep 2026 | ||
| 7 | Free | 4.7★ (6.4K) | No | No | Sep 2026 | ||
| 8 | Free | 5.0★ (6) | No | No | Jul 2026 |









Easily convert between MPG and L/100 KM with this simple fuel calculator. Track your fuel efficiency and journey costs by entering fuel amounts, distance driven, and price per unit. Save your calculations for future reference.





Track your vehicle's fuel economy and maintenance history. Set reminders for essential services like oil changes and tire rotations to help you save money. Seamlessly sync your data with the web platform for comprehensive vehicle management.