Volumetric Efficiency

Calculate Volumetric Efficiency instantly with the exact formula and a worked example.

Volumetric Efficiency

Engine displacementL
Engine speedrpm
MAF airflowg/s
Intake air temperature°C
Barometric pressurekPa
Volumetric efficiency
84.4856%
Four-stroke engine: 1 intake per 2 revolutionsCalculate Volumetric Efficiency instantly with the exact formula and a worked example.
Theoretical airflow
59.2g/s
Air density
1.1836g/L
Rating
Normal for a naturally aspirated engine

More about: Volumetric Efficiency

What it calculates

The “Volumetric Efficiency” calculator computes Volumetric efficiency in % from 5 parameters: engine displacement (L), engine speed (rpm), maf airflow (g/s), intake air temperature (°C), barometric pressure (kPa).

Helps estimate the cost of car ownership, pick parameters, and compare options.

Example calculation

With parameters Engine displacement = 2 L, Engine speed = 3,000 rpm, MAF airflow = 50 g/s, Intake air temperature = 25 °C, Barometric pressure = 101.3 kPa the result is 84.49 % (Four-stroke engine: 1 intake per 2 revolutions).

How to use

  1. Enter engine displacement, engine speed, maf airflow, intake air temperature and barometric pressure — each field above is adjustable with a slider.
  2. Volumetric efficiency (%) is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Volumetric Efficiency calculated?
The Volumetric Efficiency calculator computes Volumetric efficiency (in %) from engine displacement, engine speed, maf airflow, intake air temperature, barometric pressure. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Volumetric Efficiency calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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