An adjustable infant carrier includes a waist belt disposable about the waist of the wearer. A pair of shoulder straps is coupled to the waist belt, wherein each shoulder strap includes a free end portion and an opposed proximal end portion coupled to the waist belt. A carrier body is coupled to the waist belt and is connectable to the shoulder straps. The carrier body includes a middle section and a pair of conversion flaps disposed on opposed sides of the middle section. Each conversion flap is selectively transitional between a narrow configuration, wherein a free end portion of the conversion flap is connected to the middle section, and a wide configuration, wherein the free end portion of the conversion flap is connected to the waist belt.