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Perfect for comparing vehicle fuel efficiency across different measurement systems. Results update in real-time and can be shared via URL.\n\nValue\n\nFrom miles/gallon US km/gallon US miles/gallon UK km/gallon UK miles/liter km/liter miles/gallon-US km/gallon-US miles/gallon-UK km/gallon-UK\n\nTo miles/gallon US km/gallon US miles/gallon UK km/gallon UK miles/liter km/liter miles/gallon-US km/gallon-US miles/gallon-UK km/gallon-UK\n\nResult\n\nYour recent:\n\nCopied!\n\n## Fuel Economy Conversion Formulas\n\n**US mpg → km/l:** `km/l = mpg × 0.4251`\n\n**km/l → US mpg:** `mpg = km/l × 2.3522`\n\n**US mpg → UK mpg:** `UK mpg = US mpg × 1.201`\n\n**km/l → L/100km:** `L/100km = 100 ÷ km/l`\n\n**US gallon:** `3.785 liters`\n\n**UK gallon:** `4.546 liters`\n\n## Vehicle Fuel Economy Comparison\n\nVehicle Typempg (US)km/lL/100km Heavy truck / SUV12–185.1–7.713–19.6 Full-size sedan22–289.4–11.98.4–10.7 Compact car30–3812.8–16.26.2–7.8 Hybrid (Toyota Prius)50–5821.3–24.74.1–4.7 Plug-in hybrid (EV mode)80–120 MPGe34–512–3 Electric vehicle100–140 MPGe—— Motorcycle40–7017–29.83.4–5.9\n\n## Quick Conversion Table: mpg (US) ↔ km/l\n\nmpg (US)km/lL/100kmmpg (UK) 156.415.718.0 208.511.824.0 2510.69.430.0 3012.87.836.0 4017.05.948.0 5021.34.760.1\n\n## Frequently Asked Questions\n\n### How do I convert mpg to km/l?\n\nMultiply US mpg by **0.4251**. For example, 30 mpg × 0.4251 = **12.75 km/l**. For UK mpg, multiply by 0.3540 instead (since UK gallons are larger).\n\n### What is the difference between US and UK gallons?\n\nA **US gallon** = 3.785 liters. A **UK (imperial) gallon** = 4.546 liters — about **20% larger**. This means a car rated at 30 mpg (US) would be rated about 36 mpg (UK) for the same fuel efficiency.\n\n### What is good fuel economy?\n\nFor gasoline cars: **30+ mpg US** (12.75 km/l) is good. Hybrids achieve 50–60 mpg US (21–25 km/l). EVs get 100+ MPGe equivalent. The EPA average for new US cars is about 25.4 mpg.\n\n### Why do some countries use L/100km?\n\nL/100km is an inverse measure where **lower is better**. Used across the EU, Australia, and Canada. To convert: **L/100km = 100 ÷ km/l**. For example, 12 km/l = 100 ÷ 12 = 8.3 L/100km.\n\n### How does speed affect fuel economy?\n\nFuel efficiency peaks around **55–65 mph** (90–105 km/h) for most vehicles. Every 10 mph above 50 mph costs roughly **10–15% more fuel**. Driving at 80 mph uses about 30% more fuel than driving at 60 mph.\n\n### What is the best free mileage converter?\n\nThis free fuel economy converter supports km/l, mpg (US and UK), km/gallon, and miles/liter. Results are instant with no sign-up or installation required.\n\n### Can I use this mileage converter on my phone?\n\nYes. This converter is fully responsive and works on any smartphone, tablet, or desktop browser. Enter your fuel economy value and get the conversion instantly — no app needed.\n\n### Key Facts\n\n- ⛽ US gallon = 3.785 liters\n- ⛽ UK gallon = 4.546 liters (20% larger)\n- 📊 US measures: mpg. EU measures: L/100km\n- 🚗 Average new US car: ~25.4 mpg (2023)\n- 🔋 Best EV range: 300–400 miles per charge\n- 💰 Each mpg improvement saves ~$150/yr at average US driving\n\n## Related Products\n\n[🚗 OBD2 Scanners →](https://www.amazon.com/s?k=car%20obd2%20scanner%20fuel%20economy\u0026tag=tejji-20) [⛽ Fuel Monitors →](https://www.amazon.com/s?k=fuel%20consumption%20monitor%20car\u0026tag=tejji-20) [🔧 Tire Pressure Gauges →](https://www.amazon.com/s?k=tire%20pressure%20gauge%20digital\u0026tag=tejji-20)\n\n*As an Amazon Associate, tejji.com earns from qualifying purchases.*\n\n### Fuel Economy Tips\n\n- 🚗 Maintain tire pressure — under-inflation wastes 3% fuel.\n- 🚗 Remove roof racks — they cut 2–8% efficiency.\n- 🚗 Steady speed on highways — cruise control helps.\n- 🚗 Accelerate gently — aggressive driving wastes 15–30% fuel.\n\n### Related Conversions\n\n[🚀 Speed Conversion](/convert/speed-conversion) [📏 Length Conversion](/convert/length-conversion) [⚖️ Mass Conversion](/convert/mass-conversion) [🔄 All Converters](/convert)\n\n[All unit converters →](/convert)\n\n## All Conversions\n\n[1 miles/gallon UK in km/gallon UK](?q=1-miles%2Fgallon-UK-in-km%2Fgallon-UK)\n\n[1 miles/gallon UK in miles/liter](?q=1-miles%2Fgallon-UK-in-miles%2Fliter)\n\n[1 miles/gallon UK in km/liter](?q=1-miles%2Fgallon-UK-in-km%2Fliter)\n\n[1 miles/gallon UK in miles/gallon-US](?q=1-miles%2Fgallon-UK-in-miles%2Fgallon-US)\n\n[1 km/gallon UK in miles/gallon UK](?q=1-km%2Fgallon-UK-in-miles%2Fgallon-UK)\n\n[1 km/gallon UK in miles/liter](?q=1-km%2Fgallon-UK-in-miles%2Fliter)\n\n[1 km/gallon UK in km/liter](?q=1-km%2Fgallon-UK-in-km%2Fliter)\n\n[1 km/gallon UK in miles/gallon-US](?q=1-km%2Fgallon-UK-in-miles%2Fgallon-US)\n\n[1 miles/liter in miles/gallon UK](?q=1-miles%2Fliter-in-miles%2Fgallon-UK)\n\n[1 miles/liter in km/gallon UK](?q=1-miles%2Fliter-in-km%2Fgallon-UK)\n\n[1 miles/liter in km/liter](?q=1-miles%2Fliter-in-km%2Fliter)\n\n[1 miles/liter in miles/gallon-US](?q=1-miles%2Fliter-in-miles%2Fgallon-US)\n\n[1 km/liter in miles/gallon UK](?q=1-km%2Fliter-in-miles%2Fgallon-UK)\n\n[1 km/liter in km/gallon UK](?q=1-km%2Fliter-in-km%2Fgallon-UK)\n\n[1 km/liter in miles/liter](?q=1-km%2Fliter-in-miles%2Fliter)\n\n[1 km/liter in miles/gallon-US](?q=1-km%2Fliter-in-miles%2Fgallon-US)\n\n[1 miles/gallon-US in miles/gallon UK](?q=1-miles%2Fgallon-US-in-miles%2Fgallon-UK)\n\n[1 miles/gallon-US in km/gallon UK](?q=1-miles%2Fgallon-US-in-km%2Fgallon-UK)\n\n[1 miles/gallon-US in miles/liter](?q=1-miles%2Fgallon-US-in-miles%2Fliter)\n\n[1 miles/gallon-US in km/liter](?q=1-miles%2Fgallon-US-in-km%2Fliter)\n\n## Related Conversions\n\n[0.5 miles/liter in km/liter](?q=0.5-miles%2Fliter-in-km%2Fliter)\n\n[0.6 miles/liter in km/liter](?q=0.6-miles%2Fliter-in-km%2Fliter)\n\n[0.7 miles/liter in km/liter](?q=0.7-miles%2Fliter-in-km%2Fliter)\n\n[0.8 miles/liter in km/liter](?q=0.8-miles%2Fliter-in-km%2Fliter)\n\n[0.9 miles/liter in km/liter](?q=0.9-miles%2Fliter-in-km%2Fliter)\n\n[1 miles/liter in km/liter](?q=1-miles%2Fliter-in-km%2Fliter)\n\n[1.1 miles/liter in km/liter](?q=1.1-miles%2Fliter-in-km%2Fliter)\n\n[1.2 miles/liter in km/liter](?q=1.2-miles%2Fliter-in-km%2Fliter)\n\n[1.3 miles/liter in km/liter](?q=1.3-miles%2Fliter-in-km%2Fliter)\n\n[1.4 miles/liter in km/liter](?q=1.4-miles%2Fliter-in-km%2Fliter)\n\n[2.8 miles/liter in km/liter](?q=2.8-miles%2Fliter-in-km%2Fliter)\n\n[9.9 miles/liter in km/liter](?q=9.9-miles%2Fliter-in-km%2Fliter)\n\n[5.6 miles/liter in km/liter](?q=5.6-miles%2Fliter-in-km%2Fliter)\n\n[6.8 miles/liter in km/liter](?q=6.8-miles%2Fliter-in-km%2Fliter)\n\n[3.3 miles/liter in km/liter](?q=3.3-miles%2Fliter-in-km%2Fliter)\n\n[7 miles/liter in km/liter](?q=7-miles%2Fliter-in-km%2Fliter)\n\n[4 miles/liter in km/liter](?q=4-miles%2Fliter-in-km%2Fliter)\n\n[7.4 miles/liter in km/liter](?q=7.4-miles%2Fliter-in-km%2Fliter)\n\n[1 miles/liter to km/liter](?q=1-miles%2Fliter-to-km%2Fliter)\n\n[1 miles/liter to kmpl](?q=1-miles%2Fliter-to-kmpl)\n\n[1 mpl to km/liter](?q=1-mpl-to-km%2Fliter)\n\n[1 mpl to kmpl](?q=1-mpl-to-kmpl)\n\n[1 miles/liter in kmpl](?q=1-miles%2Fliter-in-kmpl)\n\n[1 mpl in km/liter](?q=1-mpl-in-km%2Fliter)\n\n[1 mpl in kmpl](?q=1-mpl-in-kmpl)\n\n[1 miles/liter into km/liter](?q=1-miles%2Fliter-into-km%2Fliter)\n\n[1 miles/liter into kmpl](?q=1-miles%2Fliter-into-kmpl)\n\n[1 mpl into km/liter](?q=1-mpl-into-km%2Fliter)\n\n[1 mpl into kmpl](?q=1-mpl-into-kmpl)\n\n[1 miles/liter is how many km/liter](?q=1-miles%2Fliter-is-how-many-km%2Fliter)\n\n[1 miles/liter a km/liter](?q=1-miles%2Fliter-a-km%2Fliter)\n\n[1 mpl is how much km/liter](?q=1-mpl-is-how-much-km%2Fliter)\n\n[1 mpl is what in km/liter](?q=1-mpl-is-what-in-km%2Fliter)\n\n📱\n\nQuick Access\n\nInstall this tool on your device for instant access\n\nInstall App\n\n- Temperature\n- [Temperature](/convert/temperature-conversion)\n\n\u003c!--THE END--\u003e\n\n- Length\n- [Length](/convert/length-conversion)\n\n\u003c!--THE END--\u003e\n\n- Length (Metric)\n- [Length (Metric)](/convert/length-metric-conversion)\n\n\u003c!--THE END--\u003e\n\n- Metric\n- [Metric](/convert/metric-conversion)\n\n\u003c!--THE END--\u003e\n\n- Bytes\n- [Bytes](/convert/bytes-conversion)\n\n\u003c!--THE END--\u003e\n\n- Number\n- [Number](/convert/number-conversion)\n\n\u003c!--THE END--\u003e\n\n- Angle\n- [Angle](/convert/angle-conversion)\n\n\u003c!--THE END--\u003e\n\n- Astronomical\n- [Astronomical](/convert/astronomical-conversion)\n\n\u003c!--THE END--\u003e\n\n- Frequency\n- [Frequency](/convert/frequency-conversion)\n\n\u003c!--THE END--\u003e\n\n- Mileage\n- [Mileage](/convert/mileage-conversion)\n- [km → miles](/convert/km-to-miles)\n- [miles → km](/convert/miles-to-km)\n\n\u003c!--THE END--\u003e\n\n- Mass / Weight\n- [Mass / Weight](/convert/mass-conversion)\n\n\u003c!--THE END--\u003e\n\n- Mass (Metric)\n- [Mass (Metric)](/convert/mass-metric-conversion)\n\n\u003c!--THE END--\u003e\n\n- Speed\n- [Speed](/convert/speed-conversion)","footer":"\n\n📱 Install Tejji for quick access to this tool Install\n\nTools\n\n- [All Apps](/apps/)\n- [Converters](/convert/)\n- [IP Tools](/ip/)\n- [Calculator](/apps/calculator)\n\nExplore\n\n- [Time \u0026 Date](/time-date/)\n- [Postal Codes](/zip-codes/)\n- [Typing](/typing/)\n- [Extensions](/browser/chrome/extensions/)\n\nCompany\n\n- [About](/home/about)\n- [Contact](/home/contact)\n- [Privacy](/home/privacy)\n- [Terms](/home/terms)\n\nSupport\n\n- [Feedback](/home/contact)\n- [Buy me a coffee](https://buymeacoffee.com/tejji)\n\n© 2026 [Tejji.com](/) — Free online tools for everyone.\n\nWe use cookies for analytics and ads. By clicking \"Accept\", you consent to our use of cookies. [Privacy Policy](/home/privacy)\n\nReject Accept"},"metadata":{"title":"1 miles/liter in km/liter | Mileage Conversion | Tejji","description":"Free online fuel economy converter — convert between km/liter, miles/gallon (US and UK), km/gallon and miles/liter instantly, no sign-up required. Includes efficiency chart and real-world vehicle comparisons. Works on all devices.","imageUrl":"https://tejji.com/page/og-default.png","author":null,"published":null,"modified":null},"rate":{"price":{"priceMicros":0,"currency":""},"license":{"cuid":"","licenseType":"","licensePath":"","permissions":[],"validUntil":""},"error":""}}]