A tape measure calibrator includes a base with a slot with a pull reference surface and a push reference surface, the slot being configured to receive an end hook of a tape measure. The base also includes a pull calibration band on the base with a centerline of the pull calibration band indicating a first distance from the pull reference surface. The base also includes a push calibration band on the base, a centerline of the push calibration band indicating a second distance from the push reference surface, n which the first distance and the second distance are substantially equal.