Tuning Unit Converter

Convert the units tuners use every day — boost, power, torque, AFR/Lambda and temperature — instantly in your browser.

Frequently asked questions

How do I convert bar to psi?

Multiply bar by 14.5038. This converter does boost in bar, psi, kPa and atm automatically as you type.

How many hp is 1 kW?

1 kW ≈ 1.341 hp (mechanical) and ≈ 1.360 PS (metric horsepower). Enter any value to see all three.

How do I convert AFR to Lambda?

Lambda = AFR ÷ 14.7 for gasoline (stoichiometric 14.7:1). The converter shows AFR↔Lambda for petrol.

Need the full ECU suite?

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