Calories Burned Walking 4.0 MPH at 12% Incline for 20 Minutes

254 calories
estimated for a 150 lb person
Pace 15:00/mi
METs 10.7
Duration 20 min

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Walking 4.0 mph at 12% incline for 20 minutes burns between 204 and 424 calories depending on your body weight. These estimates use the ACSM metabolic walking equation—the same formula used in clinical exercise physiology and the Boring Cardio app.

Calories by Body Weight

Body Weight Total Calories Cal/Min
120 lbs (54 kg) 204 10.2
130 lbs (59 kg) 221 11.1
140 lbs (64 kg) 238 11.9
150 lbs (68 kg) 254 12.7
160 lbs (73 kg) 271 13.6
170 lbs (77 kg) 288 14.4
180 lbs (82 kg) 305 15.2
190 lbs (86 kg) 322 16.1
200 lbs (91 kg) 339 16.9
220 lbs (100 kg) 373 18.6
250 lbs (113 kg) 424 21.2

Calories by Duration at 4.0 MPH, 12% Incline

Duration 150 lbs 200 lbs
15 min 191 254
20 min 254 339
30 min 382 509
45 min 573 763
60 min 763 1018

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How we calculate this These estimates use the ACSM Walking Metabolic Equation: VO₂ = 3.5 + (0.1 × S) + (1.8 × S × G) where S is speed in m/min and G is grade as a decimal. VO₂ is converted to calories using the standard 5.0 kcal per liter of oxygen consumed. This is the same equation used by exercise physiologists and certified personal trainers. Individual results vary based on fitness level, walking efficiency, and environmental conditions.
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