42 MPG (UK) to km/L
| 42 MPG (UK) | = | 14.9 km/L |
| 42 MPG (UK) | = | 35.0 MPG (US) |
| 42 MPG (UK) | = | 6.73 L/100km |
How to Convert MPG (UK) to km/L
The conversion is linear: both MPG and km/L express distance travelled per unit of fuel, just in different units. Multiply by a single factor.
- km/L = MPG (UK) × 0.354006
Applying the formula to 42 MPG (UK): 42 × 0.354006 = 14.9 km/L.
Is 42 MPG (UK) good?
42 MPG (UK) is considered Good — efficient petrol car. In km/L terms (used in India, Japan, Brazil), this equals 14.9 km/L. In US terms, 42 MPG (UK) = 35.0 MPG (US), or 6.73 L/100km on European labels.
Need a different value? Use our MPG (UK) to km/L Converter.
Similar Conversions
| MPG (UK) | km/L | L/100km |
|---|---|---|
| 37 MPG | 13.1 | 7.63 |
| 38 MPG | 13.5 | 7.43 |
| 39 MPG | 13.8 | 7.24 |
| 40 MPG | 14.2 | 7.06 |
| 41 MPG | 14.5 | 6.89 |
| 43 MPG | 15.2 | 6.57 |
| 44 MPG | 15.6 | 6.42 |
| 45 MPG | 15.9 | 6.28 |
| 46 MPG | 16.3 | 6.14 |
| 47 MPG | 16.6 | 6.01 |
Related Fuel Economy Converters
Conversion factors verified against NIST, BIPM
Based on SI definitions (BIPM).
Last reviewed: March 2026
