How do I convert MPG (US) to km/kWh?

Use the formula shown above or enter a value to see MPG (US) converted to km/kWh instantly.

What is the formula for MPG (US) to km/kWh?

The converter calculates km/kWh by applying the category-specific conversion factor for Fuel Economy.

When should I use MPG (US) vs km/kWh?

MPG (US) and km/kWh are both part of the Fuel Economy category; pick the unit that matches your measurement context (e.g., scale, region, or industry standard).

Fuel Economy & Efficiency Reference

Convert MPG (US) to km/kWh

Use the live converter below to translate between Mile per Gallon (US) (MPG (US)) and Kilometer per kWh (km/kWh). Scroll further for quick examples, formula tips, and related units.

Formula insight: Direct fuel economy conversions use multiplication by the conversion factor to account for different distance and volume units.

Convert

MPG (US) → km/kWh

Mile per Gallon (US)

MPG (US)

Kilometer per kWh

0.0448

km/kWh

Rounded result (4 decimals max)

Formula

1 MPG (US) = 0.0448 km/kWh

Conversion sourcesTap or click to view references

The International System of Units (SI) — NIST Special Publication 330
National Institute of Standards and Technology (NIST). The SI Brochure (SP 330) is the definitive English edition of the BIPM SI tables. NIST’s edition lists the official constants and conversion factors tying inch-pound units to SI, which SwapUnits applies for length, mass, temperature, pressure, volume, and related conversions. See /standards/nist-si-tenfold for the complete decimal multiple/submultiple table. View source · View SI table
Fuel Economy Guide (Model Year 2024)
U.S. Environmental Protection Agency & U.S. Department of Energy. Describes how MPG, km/L, and L/100 km ratings are calculated for the U.S. Monroney label and how to interpret efficiency versus consumption metrics. View source
Alternative Fuels Data Center: Fuel Properties Comparison
U.S. Department of Energy. Lists gasoline lower heating value (about 32 MJ/gal, which is roughly 9.5 kWh per liter), letting the app convert between liquid-fuel efficiency (km/L) and EV metrics (km/kWh, kWh/100 km, Wh/km). View source

Results update as you type. Swap the direction to convert back from km/kWh to MPG (US).

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MPG (US) to km/kWh quick table

Multiply any row by the same factor to scale results. Use the converter above to enter exact values with your own units.

Mile per Gallon (US) (MPG (US))	Kilometer per kWh (km/kWh)
2 MPG (US)	0.0895 km/kWh
4 MPG (US)	0.179 km/kWh
6 MPG (US)	0.2685 km/kWh
8 MPG (US)	0.358 km/kWh
10 MPG (US)	0.4475 km/kWh
15 MPG (US)	0.6713 km/kWh
20 MPG (US)	0.895 km/kWh

km/kWh back to MPG (US)

Keep the reciprocal handy when double-checking calculations or undoing a conversion.

Kilometer per kWh (km/kWh)	Mile per Gallon (US) (MPG (US))
2 km/kWh	44.6908 MPG (US)
4 km/kWh	89.3815 MPG (US)
6 km/kWh	134.0723 MPG (US)
8 km/kWh	178.7631 MPG (US)
10 km/kWh	223.4539 MPG (US)
15 km/kWh	335.1808 MPG (US)
20 km/kWh	446.9077 MPG (US)