Last updated: October 2026
A 30-minute brisk walk (3.5 mph) burns approximately 115–215 calories for most adults, depending primarily on body weight. A 120-pound person burns around 117 calories; a 220-pound person burns around 215. Speed has a meaningful impact: switching from a slow stroll to a brisk pace increases the 30-minute burn by roughly 45%. Here are the exact numbers for your weight and pace, and what actually moves the needle.
Get Your Precise 30-Minute Calorie Burn
Enter your weight, speed, and duration for a calorie estimate based on your actual data — more accurate than a table average.
Calories Burned Walking 30 Minutes by Weight and Speed
The table below uses MET values from the Compendium of Physical Activities and applies the formula: Calories = MET × weight (kg) × 0.5 hours.
| Body weight | 2.5 mph (slow) |
3.0 mph (easy) |
3.5 mph (brisk) |
4.0 mph (fast) |
4.5 mph (very fast) |
|---|---|---|---|---|---|
| 120 lb (54 kg) | 82 cal | 95 cal | 117 cal | 136 cal | 191 cal |
| 140 lb (64 kg) | 95 cal | 111 cal | 137 cal | 159 cal | 222 cal |
| 155 lb (70 kg) | 105 cal | 123 cal | 151 cal | 176 cal | 246 cal |
| 175 lb (79 kg) | 119 cal | 139 cal | 171 cal | 198 cal | 278 cal |
| 185 lb (84 kg) | 126 cal | 147 cal | 180 cal | 210 cal | 294 cal |
| 200 lb (91 kg) | 136 cal | 159 cal | 195 cal | 227 cal | 318 cal |
| 220 lb (100 kg) | 150 cal | 175 cal | 215 cal | 249 cal | 349 cal |
MET values used (2011 Compendium of Physical Activities [1]): 2.5 mph = 3.0 METs; 3.0 mph = 3.5 METs; 3.5 mph = 4.3 METs; 4.0 mph = 5.0 METs; 4.5 mph = 7.0 METs. All assume flat terrain.
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Is 30 Minutes of Walking Enough?
For general health: yes. The CDC recommends at least 150 minutes of moderate-intensity aerobic activity per week — which is exactly five 30-minute brisk walks. Meeting this guideline is associated with reduced risk of cardiovascular disease, type 2 diabetes, and premature mortality. Thirty minutes at a brisk pace (3.5 mph) qualifies as moderate-intensity activity for most adults, as it raises heart rate to 50–70% of maximum.
For weight loss: 30 minutes daily helps but works best when combined with dietary changes. At 150 calories burned per session (155 lb, 3.5 mph), five walks per week burns approximately 750 calories — equivalent to roughly 0.2 pounds of fat per week from walking alone. To lose 1 pound per week, you’d also need roughly a 400-calorie daily dietary reduction on top of your walking. Thirty minutes is a solid starting point, not a ceiling.
What Significantly Increases the 30-Minute Calorie Burn
Increase your pace
Walking faster is the highest-leverage change you can make. Going from 3.0 mph to 3.5 mph increases the 30-minute calorie burn by approximately 23% for a 155-pound person (from 123 to 151 calories). Going from 3.5 to 4.0 mph adds another 16% (151 to 175 calories). You cover more distance and work at a higher intensity in the same 30-minute window.
Add incline
Using the ACSM walking equation at 3.5 mph, a 5% treadmill incline increases calorie burn by roughly 65% compared to flat walking, and a 10% incline more than doubles it. For a 155-pound person burning 151 calories on a flat 30-minute walk at 3.5 mph, a 5% incline brings that to approximately 250 calories — about 100 extra calories for the same time and speed.
Walk after eating
A 15-minute post-meal walk doesn’t dramatically increase calorie burn compared to walking at another time of day — the difference is minimal. However, research published in Diabetes Care found that three 15-minute walks after meals improved 24-hour blood sugar control in older adults at risk of diabetes [2]. If you can only fit one 30-minute walk per day, timing it after the largest meal of the day provides metabolic benefits beyond the calorie number alone.
Walk more days per week
Consistency compounds. A 30-minute walk 3 days per week burns roughly 450 calories. The same walk 7 days per week burns 1,050 calories — more than twice as much for no increase in daily effort. Building a daily walking habit is more impactful than making any single walk longer or harder.
How a 30-Minute Walk Fits into a Daily Calorie Budget
A 30-minute brisk walk contributes meaningfully to a daily calorie deficit, but it is not the whole picture. Consider a 155-pound person targeting a 500-calorie/day deficit for 1-pound-per-week weight loss:
| Source | Daily calorie deficit |
|---|---|
| 30-min brisk walk (3.5 mph) | −151 cal |
| Skip one processed snack | −150–200 cal |
| Reduce dinner portion slightly | −150–200 cal |
| Total daily deficit | ~450–550 cal |
This illustrates why the combination of walking and modest dietary adjustments is more practical than trying to walk off all 500 calories. The 30-minute walk handles roughly 30% of the daily deficit; two small dietary changes cover the rest. None of these changes are dramatic, but the compound effect over weeks and months is substantial.
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Calculate Your Exact 30-Minute Walking Burn
The walking calorie calculator gives you a personalised estimate based on your weight and speed — more accurate than reading off a table.
Sources: [1] Ainsworth BE, et al. 2011 Compendium of Physical Activities: a second update of codes and MET values. Med Sci Sports Exerc. 2011. [2] DiPietro L, et al. Three 15-min bouts of moderate postmeal walking significantly improves 24-h glycemic control in older people at risk for impaired glucose tolerance. Diabetes Care. 2013.
