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Function Residual Capacity Formula

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Function Residual Capacity is It is the amount of air remaining in the lungs at the end of a normal exhalation. Check FAQs

FRC = RV + ERV

FRC - Function Residual Capacity?RV - Residual Volume of Lung?ERV - Expiratory Reserve Volume?

Function Residual Capacity Example

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Here is how the Function Residual Capacity equation looks like with Values.

Here is how the Function Residual Capacity equation looks like with Units.

Here is how the Function Residual Capacity equation looks like.

22 = 10 + 12

22mL = 10mL + 12mL

22 = 10 + 12

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Function Residual Capacity Solution

Follow our step by step solution on how to calculate Function Residual Capacity?

FIRST Step Consider the formula

FRC = RV + ERV

Next Step Substitute values of Variables

∴

FRC = 10mL + 12mL

Next Step Convert Units

∴

FRC = 1E-5m³ + 1.2E-5m³

Next Step Prepare to Evaluate

∴

FRC = 1E-5 + 1.2E-5

Next Step Evaluate

∴

FRC = 2.2E-05m³

LAST Step Convert to Output's Unit

∴

FRC = 22mL

Function Residual Capacity Formula Elements

Variables

Function Residual Capacity

Function Residual Capacity is It is the amount of air remaining in the lungs at the end of a normal exhalation.

Symbol: FRC

Measurement: VolumeUnit: mL

Note: Value should be greater than 0.

Formulas to find Function Residual Capacity

Residual Volume of Lung

Residual Volume of Lung is the volume of air remaining in the lungs after maximal exhalation. Normal adult value is averaged at 1200ml(20‐25 ml/kg).

Symbol: RV

Measurement: VolumeUnit: mL

Note: Value should be greater than 0.

Formulas to find Residual Volume of Lung

Expiratory Reserve Volume

Expiratory Reserve Volume is the volume of air that can be exhaled forcibly after exhalation of normal tidal volume. The normal adult value is 700-1200ml.

Symbol: ERV

Measurement: VolumeUnit: mL

Note: Value should be greater than 0.

Formulas to find Expiratory Reserve Volume

Other formulas in Lung Physiology category

Go Airway Resistance

R AW = \frac{P atm - P A}{v̇}

Go Airway Conductance

G AW = \frac{1}{R AW}

Go Inspiratory capacity of Lung

IC = TV + IRV

Go Vital Capacity of Lung

VC = TV + IRV + ERV

How to Evaluate Function Residual Capacity?

Function Residual Capacity evaluator uses Function Residual Capacity = Residual Volume of Lung+Expiratory Reserve Volume to evaluate the Function Residual Capacity, The Function Residual Capacity formula is defined as the amount of air remaining in the lungs at the end of a normal exhalation. It is calculated by adding together residual and expiratory reserve volumes. The normal value is about 1800 – 2200 mL. Function Residual Capacity is denoted by FRC symbol.

How to evaluate Function Residual Capacity using this online evaluator? To use this online evaluator for Function Residual Capacity, enter Residual Volume of Lung (RV) & Expiratory Reserve Volume (ERV) and hit the calculate button.

FAQs on Function Residual Capacity

What is the formula to find Function Residual Capacity?

The formula of Function Residual Capacity is expressed as Function Residual Capacity = Residual Volume of Lung+Expiratory Reserve Volume. Here is an example- 2.2E+7 = 1E-05+1.2E-05.

How to calculate Function Residual Capacity?

With Residual Volume of Lung (RV) & Expiratory Reserve Volume (ERV) we can find Function Residual Capacity using the formula - Function Residual Capacity = Residual Volume of Lung+Expiratory Reserve Volume.

Can the Function Residual Capacity be negative?

No, the Function Residual Capacity, measured in Volume cannot be negative.

Which unit is used to measure Function Residual Capacity?

Function Residual Capacity is usually measured using the Milliliter[mL] for Volume. Cubic Meter[mL], Cubic Centimeter[mL], Cubic Millimeter[mL] are the few other units in which Function Residual Capacity can be measured.

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Function Residual Capacity Formula

Function Residual Capacity Example

Function Residual Capacity Solution

Function Residual Capacity Formula Elements

Other formulas in Lung Physiology category

How to Evaluate Function Residual Capacity?

FAQs on Function Residual Capacity

Variable Name