Calculate predicted vital capacity from gender, age, and height using the "Baldwin formula" and "Japan Respiratory Society (JRS) formula".

Please enter age 18 or older.

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Calculate predicted vital capacity from gender, age, and height using the "Baldwin formula" and "Japan Respiratory Society (JRS) formula".

Please enter age 18 or older.

Estimated vital capacity is a person's vital capacity predicted from gender, age, and height.

On the other hand, the actually measured vital capacity is called the forced vital capacity. The ratio of the forced vital capacity to the estimated vital capacity is the % vital capacity.

The normal value is 80% or more, and if it is less than this, it may be a disorder that reduces the capacity of the lungs to take in air.

Estimated vital capacity is calculated by the following formula.

Male: Estimated Vital Capacity(mL) = (27.63 - 0.112 x Age(years old)) x Height(cm)

Female: Estimated Vital Capacity(mL) = (21.78 - 0.101 x Age(years old)) x Height(cm)

Male: Estimated Vital Capacity(L) = 0.045 x Height(cm) - 0.023 x Age(years old) - 2.258

Female: Estimated Vital Capacity(L) = 0.032 x Height(cm) - 0.018 x Age(years old) - 1.178

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