Walking Calories Calculator

Calculates calories from the duration of a walk plus your pace and weight. Uses published MET values for walking intensities, with an optional incline adjustment for hills or treadmill grades.

Walking calories
Units
Mode
mi
Walking pace
%
Height
ft
in
Weight
lb
Sex

If you skip this, we use a unisex average.

years

The ACSM Walking Calorie Equation

Walking calorie burn comes from a well-validated physiology equation. Duration and intensity are the two inputs you control; body weight is the multiplier underneath.

kcal = MET × 3.5 × weightkg ÷ 200 × minutes
MET
Energy cost relative to rest — 1 MET = sitting still, 3.5 MET = moderate walk, 4.3 MET = brisk, 5.0 MET = fast.
weight
Body mass in kilograms. This scales the whole equation.
minutes
Duration of the walk.
Worked example
pace = Brisk (5.6 km/h, 4.3 MET)
weight = 70 kg
duration = 30 min
= ~158 kcal

4.3 × 3.5 × 70 ÷ 200 × 30 = 158 kcal. A 30-minute brisk walk reliably sits between 130 and 180 kcal for most adults.

Source: ACSM Guidelines for Exercise Testing and Prescription, 11th ed. (2021).

Calories by Duration and Pace (70 kg adult)

How the number rises with walking time, at standard paces. These are rounded to the nearest 5 kcal — real bodies vary ±10%.

Walking calories at standard paces for a 70 kg adult.
DurationCasual (2.8)Moderate (3.5)Brisk (4.3)Fast (5.0)
15 min50658090
20 min7085105125
30 min105130160185
45 min155195240280
60 min205260315370
75 min260325395460
90 min310390475555
120 min410515630740

Source: Computed with F5 — Ainsworth et al., Compendium of Physical Activities, Med. Sci. Sports Exerc. 2011.

30 Minutes of Brisk Walking Across Weights

~158 kcal
in a 30-minute brisk walk for a 70 kg adult

Weight is the dominant driver once pace and duration are fixed. The spread is linear: every 10 kg of extra body weight adds about 22 kcal to a 30-minute brisk walk.

50 kg (110 lb) 113 kcal
brisk, 30 min
60 kg (132 lb) 135 kcal
brisk, 30 min
70 kg (154 lb) 158 kcal
brisk, 30 min
80 kg (176 lb) 181 kcal
brisk, 30 min
90 kg (198 lb) 203 kcal
brisk, 30 min
100 kg (220 lb) 226 kcal
brisk, 30 min
110 kg (243 lb) 248 kcal
brisk, 30 min

Source: ACSM Guidelines for Exercise Testing and Prescription, 11th ed. (2021).

Walking Intensity Zones

Pace maps onto MET, and MET maps onto calorie burn. Five zones cover everything from a shopping stroll to power walking.

Strolling
2 MET–2.8 MET
Casual
2.8 MET–3.5 MET
Moderate
3.5 MET–4.3 MET
Brisk
4.3 MET–5 MET
Power walk
5 MET–6.3 MET
Average adult walk: 3.5 MET

Source: Ainsworth et al., Compendium of Physical Activities, Med. Sci. Sports Exerc. 2011.

Other Factors That Affect Walking Calories

Duration, weight and pace explain most of the variance. Four more variables account for the rest. Only terrain is quantified in the calculator (+10% per 1% grade). Load, intervals, and temperature have smaller and more variable effects and are not modeled.

+10% per 1% grade

Terrain

Hills add roughly 10% per 1% of incline. Soft sand can add 50–60%. Snow or loose gravel can push it higher — the sheer unpredictability is why trail walkers burn far more than the distance alone suggests.

+7% per 5 kg carried

Carried load

A backpack, shopping bags, or a toddler adds its full weight to the multiplier. Five extra kilograms raises a 30-minute brisk walk from 158 to 169 kcal — small but consistent over weeks.

+10–15% from intervals

Interval bursts

Short faster pushes within a walk raise average MET more than the clock suggests, because oxygen debt carries into recovery minutes. A 30-minute walk with five 1-minute pushes can match a 35-minute steady walk.

Minimal effect on kcal

Temperature

Hot weather raises heart rate but not calorie burn much — thermoregulation is almost free. Cold weather barely affects burn either, unless shivering enters the picture.

30 Minutes vs. 60 Minutes — What Changes

People often ask whether longer walks are twice as productive. For calories, yes — roughly. For cardiovascular benefit, the second half gets slightly better.

30-minute brisk walk

70 kg, 5.6 km/h

Calories
158 kcal
Distance
~2.8 km
Steps
~3,900
CDC minutes met
30 min (of weekly 150)
Recovery needed
None

60-minute brisk walk

70 kg, 5.6 km/h

Calories
315 kcal
Distance
~5.6 km
Steps
~7,800
CDC minutes met
60 min (of weekly 150)
Recovery needed
None

Compute Your Own Walking Burn

Do it by hand in four steps for a 75 kg walker doing 45 minutes at a moderate pace.

  1. 1
    Match your pace to a MET
    Moderate walking = 3.5 MET.
    MET = 3.5
  2. 2
    Multiply by 3.5 × weight
    Core oxygen-cost term.
    3.5 × 3.5 × 75 = 919
  3. 3
    Divide by 200
    Convert to kcal per minute.
    919 ÷ 200 = 4.59 kcal/min
  4. 4
    Multiply by your minutes
    Duration of your walk.
    4.59 × 45 = 207 kcal
About 207 kcal in 45 minutes of moderate walking at 75 kg.

Per-Minute Baseline

~5.3 kcal/min

Typical brisk-walk burn rate for a 70 kg adult at 4.3 MET. Multiply by minutes for a rough total; use the full calculator above when inputs vary.

Source: Ainsworth et al., Compendium of Physical Activities, Med. Sci. Sports Exerc. 2011.

Reference tables

Calories by Duration × Pace (70 kg)

MinutesStrolling (2.0)Casual (2.8)Moderate (3.5)Brisk (4.3)Fast (5.0)Power (6.3)
10253341505874
153749617588110
20496682100117147
307498123151175221
45110147184226263331
60147196245301350441
75184245306376438551
90221294368451525662
120294392490602700882

Kilocalories burned walking for a 70 kg adult at each MET value.

Brisk Walk (4.3 MET) — Calories by Duration × Weight

Minutes50 kg60 kg70 kg80 kg90 kg100 kg110 kg
1556687990102113124
30113135158181203226248
45169203237271305339373
60226271316361406452497
90339406474542610678745
120452542633723813903994

Calorie burn for a brisk walk (5.6 km/h) at different durations and weights.

Frequently asked questions

How many calories do I burn in 30 minutes of walking?
Roughly 130 kcal at a moderate pace for a 70 kg adult, rising to 160 kcal at a brisk pace and 185 kcal at a fast pace. Heavier walkers hit higher numbers — at 90 kg a brisk 30-minute walk burns about 200 kcal.
Does walking slower still burn a useful number of calories?
Yes. A 30-minute strolling pace for a 70 kg adult still burns roughly 75 kcal — about two-thirds of what a brisk walk of the same length delivers. The main trade-off is cardiovascular benefit: moderate-to-brisk pace is what counts toward weekly activity recommendations. For calorie totals alone, time and weight matter as much as pace.
Is walking for an hour worth it if I can't go fast?
Absolutely. A 60-minute casual walk (2.8 MET) for a 70 kg adult burns about 205 kcal — more than a 30-minute brisk walk. Duration multiplies calories as reliably as intensity does. The only time a brisk pace beats a longer stroll is when both fit your schedule.
How does this compare to running?
Running at a moderate jog (7.0 MET) burns roughly 60% more calories per minute than brisk walking. In practice, a 30-minute jog for a 70 kg adult burns about 257 kcal vs. 158 for a brisk walk. Running also continues burning calories slightly longer via post-exercise recovery — walking does not produce the same afterburn effect.
Do walking calories count as cardio?
Only once pace crosses into the moderate-to-brisk range — roughly 3.5 MET and above, which corresponds to about 4.8 km/h (3 mph). Slower walking counts as "light activity" and accrues toward overall step totals but not toward the CDC and WHO 150-minute weekly cardio target.
Why is my number higher than my friend's for the same walk?
Almost always body weight. A 90 kg walker and a 60 kg walker doing the exact same 45-minute brisk walk will differ by about 100 kcal — roughly 50% more for the heavier one. Secondary factors are fitness level, stride length, and whether one of you was carrying something.
Should I add protein or not eat back walking calories?
For weight loss, most nutritionists recommend not eating back most of the exercise calories, because trackers and formulas overstate burn by 10–30%. Walking specifically tends to be overestimated less than running, but the same principle holds — treat the calculator number as the ceiling, not the floor.