Lung volumes (tidal sketch)
Tidal volume from mL/kg and mass.
Calculator
How to use
Lungs
Spirometry for FVC/FEV1.
Educational use only. Biology models are simplified; clinical and field decisions need appropriate expertise and measurement.
Tidal volume from mL/kg and mass.
Spirometry for FVC/FEV1.
Educational use only. Biology models are simplified; clinical and field decisions need appropriate expertise and measurement.
Model / formula
Tidal volume ≈ (mL/kg) × kg (rule-of-thumb range ~6–8)
Result
Tidal volume sketch ≈ 0.4900 L (7 mL/kg × 70 kg). Vital capacity / FVC require **spirometry** — not estimated here.