How to calculate bicycle size?

Take off your shoes and stand with your legs apart. Measure the height from the ground to your crotch.

Mountain bike size chart

Rider Height		Leg Inseam		Suggested Frame Size
Feet/Inches	Centimeter	Inches	Centimeter	Inches
4’11” – 5’3″	150 – 160 cm	25″ – 27″	63 – 69 cm	13 – 15 inches
5’3″-5’7″	160-170 cm	27″ – 29″	69 – 74 cm	15 – 17 inches
5’7″ – 5’11”	170 – 180 cm	29″ – 31″	74 – 79 cm	17 – 19 inches
5’11” – 6’2″	180 – 188 cm	31″ – 33″	79 – 84 cm	19 – 21 inches
6’2″ – 6’4″	168 – 175 cm	33″ – 35″	84 – 89 cm	21 – 23 inches
6’4″ and up	193+ cm	35″ and up	98+ cm	23 inches+

Road bike size chart

Rider Height		Suggested Frame Size
Feet/Inches	Centimeter	Inches
4’10” – 5’0″	148 – 152 cm	16 – 18 inches
5’0″ – 5’3″	152 – 160 cm	18 – 20 inches
5’3″ – 5’6″	160 – 168 cm	20 – 21 inches
5’6″ – 5’9″	168 – 175 cm	21 – 22 inches
5’9″ – 6’0″	175 – 183 cm	22 – 23 inches
6’0″ – 6’3″	183 – 191 cm	23 – 24 inches
6′ 3″ – 6′ 6″	191 – 198 cm	24+ inches