A calf-stretching device enables a user to conduct stretching exercises of the gastrocnemius muscles of the leg. The calf-stretching device includes a support base positionable on a floor surface and left and right surfaces immovably attached to the support base. Each of the left and right surfaces present a convex curved surface from a front side to a back side to receive respective feet of the user, the convex curved surface having a greater radial dimension on an inner portion than an outer portion to correspond to a foot arch of the user.