Question: how many calories do you burn in a 90 minute walk?
Answer: Someone weighting 70 Kg or 154.3 lb walking burns 367.5 calories in 90 minutes. This value is roughtly equivalent to 0.11 pound or 1.68 pounds or 47.6 grams of mass (fat and / or muscle). Doing this activity 3 times a week for 90 minutes will burn 1.26 pounds or 0.57 Kg a month.