Minute Ventilation - VCalc

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Processing...`MV = "RR" * "TV" ` Enter a value for all fields

The Minute Ventilation calculator computes the rate of air breathed by a person in a minute.

INSTRUCTIONS: Choose units and enter the following:

  • (RR) Respiratory Rate
  • (TV) Tidal Volume

Minute Ventilation (MV): The calculator return the rate in milliliters per minute.  However, this can be automatically converted to compatible units via the pull-down menu.

The Math / Science

The minute ventilation is the amount of air a person breaths in a minute. The minute ventilation is calculated by the multiplication of the tidal volume and the respiratory rate. The normal tidal volume of a person is around 8- 10 ml per kg of weight. That is for a 90 kg person the tidal volume would be 900 ml. The tidal volume is actually the amount of air a person takes during each breath at rest. The normal respiratory rate is about 14- 18 breaths per minute. Hence, Minute ventilation = Tidal Volume  X Respiratory rate.  

The formula for minute ventilation is:

   `"MV" = ("RR")*("TV")`

where:

  •   MV = minute ventilation
  •   RR = respiratory rate
  •  TV = tidal volume

Respiratory Calculators

  • Physiologic Dead Space (Bohr Method)
  • Tidal Volume
  • Minute Ventilation

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Tag » How To Calculate Minute Ventilation