A quick internet search will yield many standard garage door sizes.
Australian standard for garage door height.
Generally standand widths come in various sizes from 950mm to 5500mm while standard heights include 1200 mm 2100 mm 2400 mm 2700 mm and 3000mm.
2100mm high x 2400mm wide.
Single sectional panel lift door sizes are varied from 2010mm h x 2415mm w to 3415mm h x 3500mm w.
Most garage door suppliers now days can supply custom made doors so it s not a matter of picking the right size but accurately measuring your door.
As specified in the australian standards the minimum single and double garage sizes are as follows.
Single garage door size.
Each opening is specific to each home whether it being a single garage opening to a double garage door.
2100mm high x 4800mm wide.
Standard garage door sizes are as follows.
Width 31ft 9 4m minimum length 20ft 6m minimum door width 9ft 2 7m minimum single garage door width door width 16ft 4 8m minimum double garage door width.
3m x 5 4 with a 2 4m door width size.
Double garage door size.