There is no height requirement in the NEC code book. You can pretty much put them where you want. I usually install them at 44" to the top of the box except where there is a work bench and then I install them 48" to the top of the box. That is just what I have found to be a good height. The choice is yours. Remember that all garage outlets must be GFCI protected.
4 inches
The recommended height for electrical outlets in a residential setting is typically around 12 to 18 inches above the floor.
The recommended height for a washer outlet box is typically around 42 inches from the floor.
The standard height for a bathroom outlet is typically around 48 inches above the finished floor level.
The standard height for a refrigerator outlet is typically around 4 to 6 inches above the finished floor.
The standard door handle height for residential buildings is typically around 36 inches from the floor.
The recommended height for a washing machine outlet box is typically around 42 inches above the floor.
The standard height for electrical outlets in a residential building is typically around 12 to 18 inches above the floor.
The recommended height for outlets in a residential setting is about 12 to 18 inches above the floor. This height is considered optimal for safety and convenience.
The standard height for a breaker box in a residential building is typically around 4 to 5 feet above the floor level.
The standard height for an electrical panel in a residential building is typically around 4 to 5 feet above the floor level.
The required height for installing a bathroom GFCI outlet is typically around 42 inches above the finished floor level.