2 ft and 600 mm gauge railways



	Minimum
	Fifteen inch	381 mm	(1 ft 3 in)

	Narrow
	600 mm	600 mm	(1 ft 11+5⁄8 in)
	Two foot	610 mm	(2 ft)
	Two foot three inch	686 mm	(2 ft 3 in)
	750 mm	750 mm	(2 ft 5+1⁄2 in)
	Bosnian gauge	760 mm	(2 ft 5+15⁄16 in)
	Two foot six inch	762 mm	(2 ft 6 in)
	Swedish three foot	891 mm	(2 ft 11+3⁄32 in)
	900 mm	900 mm	(2 ft 11+7⁄16 in)
	Three foot	914 mm	(3 ft)
	Italian metre	950 mm	(3 ft 1+13⁄32 in)
	Metre	1,000 mm	(3 ft 3+3⁄8 in)
	Three foot six inch	1,067 mm	(3 ft 6 in)
	Four foot	1,219 mm	(4 ft)
	Four foot six inch	1,372 mm	(4 ft 6 in)
	1432 mm	1,432 mm	(4 ft 8+3⁄8 in)

	Standard	1,435 mm	(4 ft 8+1⁄2 in)

	Broad
	Italian broad gauge	1,445 mm	(4 ft 8+7⁄8 in)
	Dresden gauge	1,450 mm	(4 ft 9+3⁄32 in)
	Leipzig gauge	1,458 mm	(4 ft 9+13⁄32 in)
	Toronto gauge	1,495 mm	(4 ft 10+7⁄8 in)
	1520 mm	1,520 mm	(4 ft 11+27⁄32 in)
	Five foot	1,524 mm	(5 ft)
	Pennsylvania gauge	1,581 mm	(5 ft 2+1⁄4 in)
	Pennsylvania gauge	1,588 mm	(5 ft 2+1⁄2 in)
	Five foot three inch	1,600 mm	(5 ft 3 in)
	Baltimore gauge	1,638 mm	(5 ft 4+1⁄2 in)
	Iberian gauge	1,668 mm	(5 ft 5+21⁄32 in)
	Five foot six inch	1,676 mm	(5 ft 6 in)
	Six foot	1,829 mm	(6 ft)
	Brunel	2,140 mm	(7 ft 1⁄4 in)
	Breitspurbahn	3,000 mm	(9 ft 101⁄8 in)

Two foot and 600 mm gauge railways are narrow-gauge railways with track gauges of 2 ft (610 mm) and 600 mm (1 ft 11+5⁄8 in), respectively. Railways with similar, less common track gauges, such as 1 ft 11+3⁄4 in (603 mm) and 1 ft 11+1⁄2 in (597 mm), are grouped with 2 ft and 600 mm gauge railways.