An electric brake device comprising: an electric motor; a brake rotor; a friction pad configured to come into contact with the brake rotor to generate a braking force; a transmission mechanism configured to convert a rotary motion of the electric motor into a motion with which the friction pad generates the braking force; a braking force command section configured to generate a command value of a target braking force by using an operation amount of a brake operation portion; a braking force estimation section configured to obtain an estimated value of a braking force that presses the friction pad against the brake rotor; a motor rotation angle detector configured to detect a rotation angle of the electric motor; and a controller configured to control the electric motor according to the command value and the estimated value of the braking force, wherein the controller is provided with a pad wear amount estimation section configured to estimate a wear amount of the friction pad, wherein the pad wear amount estimation section estimates the wear amount of the friction pad at a present time by comparing a correlation between the motor rotation angle detected by the motor rotation angle detector and the braking force obtained by the braking force estimation section with a defined correlation between a motor rotation angle and a braking force when the friction pad is unworn, and characterized in that the pad wear amount estimation section estimates the wear amount of the friction pad from a correlation between respective rates of change of the braking force and the motor rotation angle, under a condition that a value of one of the braking force and the motor rotation angle continuously increases or continuously decreases by a prescribed value or higher. an electric motor; a brake rotor; a friction pad configured to come into contact with the brake rotor to generate a braking force; a transmission mechanism configured to convert a rotary motion of the electric motor into a motion with which the friction pad generates the braking force; a braking force command section configured to generate a command value of a target braking force by using an operation amount of a brake operation portion; a braking force estimation section configured to obtain an estimated value of a braking force that presses the friction pad against the brake rotor; a motor rotation angle detector configured to detect a rotation angle of the electric motor; and a controller configured to control the electric motor according to the command value and the estimated value of the braking force, wherein the controller is provided with a pad wear amount estimation section configured to estimate a wear amount of the friction pad, wherein the pad wear amount estimation section estimates the wear amount of the friction pad at a present time by comparing a correlation between the motor rotation angle detected by the motor rotation angle detector and the braking force obtained by the braking force estimation section with a defined correlation between a motor rotation angle and a braking force when the friction pad is unworn, and characterized in that the pad wear amount estimation section estimates the wear amount of the friction pad from a correlation between respective rates of change of the braking force and the motor rotation angle, under a condition that a value of one of the braking force and the motor rotation angle continuously increases or continuously decreases by a prescribed value or higher.