Fuel Efficiency Converter
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Convert km/L, L/100km, MPG (US/UK) instantly. Offline, no sign-up.
- Downloads
- 21+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Sep 24
- 2026 · v1.1.4
Screenshots
About Fuel Efficiency Converter
Fuel Efficiency Converter makes fuel economy numbers easy to compare across countries.
Buying a car from abroad, renting overseas, or reading a spec sheet in unfamiliar units? Type a value in any field and the other three update instantly.
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Supported units
• km/L — kilometres per litre (Korea, Japan, and more)
• L/100km — litres per 100 km (Europe, Canada, and more)
• MPG (US) — miles per US gallon (United States)
• MPG (UK) — miles per imperial gallon (United Kingdom)
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Why you'll like it
• Four-way conversion — edit any unit, the rest follow
• A small note shows where each unit is commonly used
• Light, dark, and system themes
• Works fully offline — no account, no clutter
Whether you compare cars across markets, plan a road trip with a rental, or just want to understand a foreign mileage figure, the conversion is one tap away.
Buying a car from abroad, renting overseas, or reading a spec sheet in unfamiliar units? Type a value in any field and the other three update instantly.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Supported units
• km/L — kilometres per litre (Korea, Japan, and more)
• L/100km — litres per 100 km (Europe, Canada, and more)
• MPG (US) — miles per US gallon (United States)
• MPG (UK) — miles per imperial gallon (United Kingdom)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Why you'll like it
• Four-way conversion — edit any unit, the rest follow
• A small note shows where each unit is commonly used
• Light, dark, and system themes
• Works fully offline — no account, no clutter
Whether you compare cars across markets, plan a road trip with a rental, or just want to understand a foreign mileage figure, the conversion is one tap away.
What’s new
Version 1.1.4 · Updated September 24, 2026
• Removed the full-screen ad that appeared when reopening the app
Alternatives to Fuel Efficiency Converter
Looking for apps like Fuel Efficiency Converter? Here are 6 similar Android apps on Google Play. The highest rated is Magic 8 Ball - Ask Anything (5.0/5), and all 6 are free to download.
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Weight Log — lb & kg
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Fuel Efficiency Converter | – | Free | 10+ | Sep 24, 2026 | |
| Magic 8 Ball - Ask Anything | 5.0 / 5 | Free | 500+ | Oct 24, 2026 | Compare |
| Tally Counter - Click Counter | – | Free | 500+ | Sep 18, 2026 | Compare |
| Spirit Animal Test | – | Free | 100+ | Sep 24, 2026 | Compare |
| Color Picker Camera: HEX RGB | – | Free | 100+ | Sep 24, 2026 | Compare |
| Bluetooth Audio Latency | – | Free | 1,000+ | Oct 26, 2026 | Compare |
| Weight Log — lb & kg | – | Free | 10+ | Sep 27, 2026 | Compare |
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