A screw gauge (1, 30, 40, 51, 60) which is formed into a shaft-like shape for manually inspecting a female screw with nominal diameter of 1.4 mm or smaller by an operator, the female screw being formed in a measured object, the screw gauge(1, 30, 40, 51, 60) comprising: a gauge section which is formed at an end of the screw gauge (1, 30, 40,51, 60) in an axial direction, and configured to fit with the female screw; an input section (23, 37, 53, 68) which is configured to accommodate an input of an external force for fitting the gauge section with the female screw; and a transmission suppression section (20, 33, 55, 64) disposed between the input section (23, 37, 53, 68) and the gauge section, wherein the transmission suppression section (20, 33, 55, 64) is configured to suppress transmission of a load in an axially perpendicular direction applied to the input section (23, 37, 53, 68) to the gauge section, wherein the transmission suppression section (20, 33, 55, 64) is configured to elastically deform to absorb the transmission of the load applied to the input section (23, 37, 53, 68) to the gauge section, the input section (23, 37, 68) is a part configured to be held by the operator in the hand, and provided at least on a part of an elastically deformable outer surface of the transmission suppression section (20,33,64), and the screw gauge (1, 30, 40, 60) further comprises a shaft-like body (10, 31, 41, 61) having one end to which the gauge section is fixed, wherein: the transmission suppression section (20, 33, 64) includes a mount part (21, 34, 65) which is detachably attached to the other end of the body (10, 31, 41, 61), opposite the one end in the axial direction, and an elastically deformable shaft part (22, 35, 66), having an end at a side of the gauge section connected to the mount part (21, 34, 65); and the input section (23, 37, 68) is disposed on the shaft part (22, 35, 66), characterized in that the transmission suppression section (20, 33, 64) is made of an elastically deformable soft material. a gauge section which is formed at an end of the screw gauge (1, 30, 40,51, 60) in an axial direction, and configured to fit with the female screw; an input section (23, 37, 53, 68) which is configured to accommodate an input of an external force for fitting the gauge section with the female screw; and a transmission suppression section (20, 33, 55, 64) disposed between the input section (23, 37, 53, 68) and the gauge section, wherein the transmission suppression section (20, 33, 55, 64) is configured to suppress transmission of a load in an axially perpendicular direction applied to the input section (23, 37, 53, 68) to the gauge section, wherein the transmission suppression section (20, 33, 55, 64) is configured to elastically deform to absorb the transmission of the load applied to the input section (23, 37, 53, 68) to the gauge section, the input section (23, 37, 68) is a part configured to be held by the operator in the hand, and provided at least on a part of an elastically deformable outer surface of the transmission suppression section (20,33,64), and the screw gauge (1, 30, 40, 60) further comprises a shaft-like body (10, 31, 41, 61) having one end to which the gauge section is fixed, wherein: the transmission suppression section (20, 33, 64) includes a mount part (21, 34, 65) which is detachably attached to the other end of the body (10, 31, 41, 61), opposite the one end in the axial direction, and an elastically deformable shaft part (22, 35, 66), having an end at a side of the gauge section connected to the mount part (21, 34, 65); and the input section (23, 37, 68) is disposed on the shaft part (22, 35, 66), characterized in that the transmission suppression section (20, 33, 64) includes a mount part (21, 34, 65) which is detachably attached to the other end of the body (10, 31, 41, 61), opposite the one end in the axial direction, and an elastically deformable shaft part (22, 35, 66), having an end at a side of the gauge section connected to the mount part (21, 34, 65); and the input section (23, 37, 68) is disposed on the shaft part (22, 35, 66), characterized in that the transmission suppression section (20, 33, 64) is made of an elastically deformable soft material.