There is provided a pipette device capable of adjusting a collection amount in a short time. A pipette device 1 adjusting a volume of a cylinder portion "a" by the axial-direction movement of a plunger 3 caused by the rotation of a push rod 5 includes a speed increasing mechanism 35 provided between a pipette main body 2 and the push rod 5 and increasing a speed of input rotation to transmit the input rotation with the increased speed to the push rod 5.
