A screw gauge 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 comprising: a gauge section which is formed at an end of the screw gauge in an axial direction, and configured to fit with the female screw ; an input section 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 disposed between the input section and the gauge section , wherein the transmission suppression section is configured to suppress transmission of a load in an axially perpendicular direction applied to the input section to the gauge section , wherein the transmission suppression section is configured to elastically deform to absorb the transmission of the load applied to the input section to the gauge section , the input section 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 , and the screw gauge further comprises a shaft-like body having one end to which the gauge section is fixed, wherein: the transmission suppression section includes a mount part which is detachably attached to the other end of the body , opposite the one end in the axial direction, and an elastically deformable shaft part , having an end at a side of the gauge section connected to the mount part ; and the input section is disposed on the shaft part , characterized in that the transmission suppression section is made of an elastically deformable soft material. a gauge section which is formed at an end of the screw gauge in an axial direction, and configured to fit with the female screw ; an input section 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 disposed between the input section and the gauge section , wherein the transmission suppression section is configured to suppress transmission of a load in an axially perpendicular direction applied to the input section to the gauge section , wherein the transmission suppression section is configured to elastically deform to absorb the transmission of the load applied to the input section to the gauge section , the input section 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 , and the screw gauge further comprises a shaft-like body having one end to which the gauge section is fixed, wherein: the transmission suppression section includes a mount part which is detachably attached to the other end of the body , opposite the one end in the axial direction, and an elastically deformable shaft part , having an end at a side of the gauge section connected to the mount part ; and the input section is disposed on the shaft part , characterized in that the transmission suppression section includes a mount part which is detachably attached to the other end of the body , opposite the one end in the axial direction, and an elastically deformable shaft part , having an end at a side of the gauge section connected to the mount part ; and the input section is disposed on the shaft part , characterized in that the transmission suppression section is made of an elastically deformable soft material. <EOS>