Burn 300 calories walking

A 300 lb person walking at 2.0 mph burns 300 calories in about 45 min. Here's the time for your weight and speed.

Minutes of flat treadmill walking to burn 300 kcal
Weight	1.5 mph	2.0 mph	2.5 mph	3.0 mph	3.5 mph
150 lb	1 h 50 min	1 h 30 min	1 h 24 min	1 h 12 min	59 min
200 lb	1 h 23 min	1 h 8 min	1 h 3 min	54 min	44 min
250 lb	1 h 6 min	54 min	51 min	44 min	36 min
300 lb	55 min	45 min	42 min	36 min	30 min
350 lb	47 min	39 min	36 min	31 min	26 min
400 lb	42 min	34 min	32 min	27 min	22 min
450 lb	37 min	30 min	28 min	24 min	20 min
500 lb	33 min	27 min	26 min	22 min	18 min

Split it up if that's long: two or three shorter walks across the day add up the same. Holding the rails, incline and fitness all change the real number, so treat this as a ballpark.

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Last reviewed October 30, 2026 · Sources · General information, not medical advice.