Most people burn between 50 and 170 calories walking a mile, depending mainly on body weight. A 160-pound person burns roughly 85 to 91 calories per mile at a typical walking pace, while someone weighing 200 pounds burns closer to 106 to 114 calories. Your weight is the single biggest factor, but speed, terrain, and incline all shift the number.
Calories Burned per Mile by Body Weight
Body weight has more influence on your calorie burn than any other variable. Heavier bodies require more energy to move the same distance, so a 300-pound person burns about three times as many calories per mile as someone who weighs 100 pounds. Here’s what the numbers look like at two common paces:
- 100 lbs: 53 calories (moderate pace), 57 calories (brisk pace)
- 120 lbs: 64 calories, 68 calories
- 140 lbs: 74 calories, 80 calories
- 160 lbs: 85 calories, 91 calories
- 180 lbs: 96 calories, 102 calories
- 200 lbs: 106 calories, 114 calories
- 220 lbs: 117 calories, 125 calories
- 250 lbs: 133 calories, 142 calories
- 275 lbs: 146 calories, 156 calories
- 300 lbs: 160 calories, 171 calories
“Moderate pace” means roughly 2.8 to 3.2 mph, the speed most people naturally walk when running errands or strolling through a neighborhood. “Brisk pace” is about 3.5 mph, the kind of purposeful stride you’d use if you were walking for exercise. The difference between the two adds about 5 to 11 calories per mile, so picking up the pace helps, but not dramatically for a single mile.
Why Speed Matters Less Than You Think
Walking speed does affect your calorie burn, but not in the straightforward way most people assume. Because a mile is a fixed distance, walking faster mainly gets you there sooner. You burn slightly more calories per mile at higher speeds because your muscles work harder to maintain the faster pace, but the difference is modest compared to the effect of body weight.
Exercise scientists use a measurement called METs (metabolic equivalents) to rate how much energy an activity demands compared to sitting still. Walking at 2.0 mph scores 2.8 METs. At 3.0 to 3.2 mph, it rises to 3.5 METs. A brisk 3.5 mph walk hits 4.3 METs, and a very brisk 4.0 mph pace reaches 5.0 METs. That means very brisk walking demands nearly twice the energy of a slow stroll, minute for minute. But since you spend fewer minutes covering a mile at faster speeds, the per-mile calorie difference is smaller than the per-minute difference suggests.
Walking Uphill Changes Everything
If you want to dramatically increase your calorie burn without covering more distance, add incline. Research measuring the metabolic cost of incline walking found that a 5% grade (a noticeable but manageable hill) increases energy expenditure by about 52% compared to flat ground. A 10% grade, which is a steep hill, more than doubles it, increasing the cost by roughly 113%.
In practical terms, that means a 160-pound person who burns about 85 calories walking a flat mile could burn around 130 calories on a moderate hill and closer to 180 calories on a steep one. This is why hilly neighborhood routes and treadmill incline settings are so effective for people looking to burn more calories without walking farther or faster. Walking on soft surfaces like sand or thick grass also increases effort, though the effect is harder to quantify precisely.
Walking a Mile vs. Running a Mile
A common question is whether running a mile burns significantly more calories than walking the same distance. The answer is yes, but the gap is smaller than most people expect. A study comparing the energy cost of walking versus running a mile found that participants burned an average of about 94 to 99 calories per mile regardless of whether they walked or ran, with runners burning only modestly more.
The researchers found that body mass and gender were the strongest predictors of per-mile calorie burn for both activities. Running does demand more energy per mile because your body leaves the ground with each stride, requiring more muscular effort to absorb and generate force. But because walking a mile takes longer, you’re still burning calories the entire time. The practical takeaway: if you can only walk, you’re still getting meaningful calorie expenditure for every mile you cover.
How to Estimate Your Own Burn
The simplest approach is to use your body weight and the table above. If you fall between two numbers, split the difference. A 170-pound person walking at a moderate pace, for example, burns roughly 90 calories per mile (halfway between the 160-pound and 180-pound figures).
For a more personalized estimate, researchers have developed a regression equation that accounts for both weight and gender: multiply your weight in kilograms by 0.789, then subtract 15.27 if you’re female (or 7.63 if you’re male), then add 51.1. The result is your approximate calorie burn per mile. For a 160-pound (72.6 kg) woman, that works out to about 93 calories. For a 160-pound man, about 101 calories. These figures assume flat ground at a normal walking pace.
Fitness trackers and smartwatches use similar formulas, often layering in heart rate data for additional accuracy. They’re generally reliable within 10 to 20% for steady-state walking, though they tend to be less accurate on hills or uneven terrain where heart rate can spike from effort that doesn’t match the GPS-measured pace.
Putting the Numbers in Context
Burning 80 to 100 calories per mile may not sound like much, but it adds up. Walking three miles a day, five days a week, burns roughly 1,200 to 1,500 extra calories per week for someone in the 150 to 180 pound range. Over a month, that’s close to a pound and a half of fat-equivalent energy, assuming your eating stays the same.
Walking also has a lower “cost of entry” than most exercise. It doesn’t require recovery days, rarely causes injury, and can be stacked into daily life through errands, commutes, and phone calls. For calorie burn specifically, the most effective strategies are adding distance (more miles beats faster miles) and choosing hilly routes. Both of those increase total energy expenditure more reliably than trying to speed up on flat ground.