How do I convert L/100km to Wh/mi?

Use the formula shown above or enter a value to see L/100km converted to Wh/mi instantly.

What is the formula for L/100km to Wh/mi?

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

When should I use L/100km vs Wh/mi?

L/100km and Wh/mi 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 L/100km to Wh/mi

Use the live converter below to translate between Liter per 100 km (L/100km) and Watt-hour per mile (Wh/mi). Scroll further for quick examples, formula tips, and related units.

Formula insight: Converting between efficiency (km/L, MPG) and consumption (L/100km) units requires using the inverse relationship: consumption = 100 ÷ efficiency.

Convert

L/100km → Wh/mi

Liter per 100 km

L/100km

Watt-hour per mile

152.8877

Wh/mi

Rounded result (4 decimals max)

Formula

1 L/100km = 152.8877 Wh/mi

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 Wh/mi to L/100km.

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L/100km to Wh/mi quick table

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

Liter per 100 km (L/100km)	Watt-hour per mile (Wh/mi)
2 L/100km	305.7754 Wh/mi
4 L/100km	611.5507 Wh/mi
6 L/100km	917.3261 Wh/mi
8 L/100km	1,223.1014 Wh/mi
10 L/100km	1,528.8768 Wh/mi
15 L/100km	2,293.3152 Wh/mi
20 L/100km	3,057.7536 Wh/mi

Wh/mi back to L/100km

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

Watt-hour per mile (Wh/mi)	Liter per 100 km (L/100km)
2 Wh/mi	0.0131 L/100km
4 Wh/mi	0.0262 L/100km
6 Wh/mi	0.0392 L/100km
8 Wh/mi	0.0523 L/100km
10 Wh/mi	0.0654 L/100km
15 Wh/mi	0.0981 L/100km
20 Wh/mi	0.1308 L/100km