Armchair (1) with a seat surface (2) and a leg rest (4) which can be pivoted out, wherein the armchair can be pivoted between a sitting position and a reclining position, for which purpose the seat surface (2) can be displaced to the rear in relation to a fixed frame (3) and is articulated in the front region via erecting levers (9), and the leg rest (4) is coupled to the seat surface (2) in such a manner that it is pivoted when the seat surface (2) is displaced to the rear, wherein the leg rest (4) is connected to the erecting levers (9) by means of a first sliding mounting (12) and is articulated on the fixed frame (3) by means of a second siding mounting (13), wherein the first sliding mounting (12) is connected pivotably to the second siding mounting (13), and wherein the second sliding mounting (13) is configured in such a manner that its orientation changes during the pivoting operation, characterized in that the leg rest (4) has a thigh part (10) and a calf part (11), which parts are connected pivotably to each other in such a manner that, when the seat surface (2) is displaced to the rear, the calf part (11) is pivoted from a position arranged approximately parallel to the seat surface (2) and below the seat surface (2) into an approximately horizontal position.