A measurement device has a measurement belt to which a plurality of electrode pads arranged in a row and a plurality of strain gauges arranged in parallel to the plurality of electrode pads are integrally adhered and configured to be used after being wrapped around a portion serving as a measurement target of a living body； and a processor configured to: acquire an image of the portion serving as the measurement target while applying a current to the plurality of electrode pads and acquiring a voltage signal generated between the electrode pads； and estimate a contour shape of the portion serving as the measurement target and a size of the contour shape on the basis of curvature data acquired via the plurality of strain gauges.
