FIELD: measurement of internal spaces of cabs and cabins of motor vehicles and agricultural equipment. SUBSTANCE: method determining internal spaces of hollow articles makes it possible to increase accuracy of measurement of nonhermetic articles by continuous supply of air and liquid with constant flow rate into them so that pressure inside them grows higher than highest external pressure on any part of them. Value of internal pressure is found by formula. Value of flow rate of air or liquid fed into article is determined from condition that pressure inside article should be higher than highest external pressure on any part of them. EFFECT: increased accuracy of measurement.
