20 MPG to L/100km

20 MPG (US) = 11.8 L/100km

20 MPG (US)=11.8 L/100km
20 MPG (US)=24.0 MPG (UK / Imperial)
20 MPG (US)=8.50 km/L

How to Convert MPG to L/100km

The conversion is inverse: since MPG measures distance per unit of fuel and L/100km measures fuel per unit of distance, the formula is a division, not a multiplication.

  • L/100km = 235.21458 ÷ MPG (US)
  • L/100km = 282.48094 ÷ MPG (UK)

Applying the formula to 20 MPG (US): 235.215 ÷ 20 = 11.8 L/100km.

Is 20 MPG good?

20 MPG (US) is considered Below average — typical of full-size SUVs and pickup trucks. In metric terms, this equals 11.8 L/100km (European labels) or 8.50 km/L (used in India, Japan, Brazil). In Imperial terms, 20 MPG (US) = 24.0 MPG (UK).

Need a different value? Use our MPG to L/100km Converter.

Similar Conversions

MPG (US)L/100kmkm/L
15 MPG 15.7 6.38
16 MPG 14.7 6.80
17 MPG 13.8 7.23
18 MPG 13.1 7.65
19 MPG 12.4 8.08
21 MPG 11.2 8.93
22 MPG 10.7 9.35
23 MPG 10.2 9.78
24 MPG 9.80 10.2
25 MPG 9.41 10.6

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Conversion factors verified against NIST, BIPM Based on SI definitions (BIPM). Last reviewed: March 2026
Tiago Fernandes Reviewed by Tiago Fernandes