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How Long Does It Take to Walk 12 Km (And Calories Burned)?

In general, it takes approximately 10 minutes to walk briskly, at a speed of 6.5 km/h, to complete a 1km walk. However, you cannot translate this directly to 120 minutes to complete 12km, given the distance and fatigue over long-distance walks.

On the contrary, the average walking duration for 12km is 2 hours 30 minutes, that is, 150 minutes.  The duration is also subject to factors such as age, gender, body height, health and fitness levels.

On average, most people burn between 500 and 900 calories walking 12 km. So, Committing to walking 12 km a day is an excellent way to improve your health and boost your fitness without stressing your bones and joints as much as high-impact activities like running.

In this article we will cover: 

  • How Long Does It Take to Walk 12 Km?
  • 12km: Average Walking Times by Age and Gender
  • How Long Will 12 km Take on the Treadmill?
  • How Many Calories Are Burned Walking 12 Km?
  • Does a 12km Walk Help with Weight Loss?

How long are 12 km? 12 km is equal to 7.45 miles and 39370 feet.

How Long Does It Take to Walk 12 Km?

On average, it takes around 2 hours to 2 hours and 30 minutes. It will take 150 minutes / 2 hours 30 minutes to walk for 12km on a brisk walk. However, at a slow pace of 4 km/h, it takes longer, usually more than 3 hours, to complete the distance.

Also, younger people will take a shorter time, approximately two hours, to complete 12km. On the other hand, seniors will take 150 minutes to 3 hours to complete the walk.

Walking SpeedTime for 12 km of walking
Slow walk (4 km/h) / 60 to 79steps per minute/ 15 minutes per kilometer3 hours
Easy Walk (5 km/h)/ 80 to 99 steps per minute/ 12 minutes per kilometer2 hours and 24 minutes
Moderate Walk (6.5 km/h)/ 100 to 119 steps per minute/10 minutes per kilometer2 hours
Fast Walk (8 km/h)/ 120+ steps per minute/ 7.5 minutes per kilometer1 hour and 30 minutes

Most importantly, the level of health and fitness comes in handy in the amount of time needed to walk the distance. For example, an ailing person or an individual with a recovering injury will walk slower than their peers, regardless of their fitness level. Likewise, individuals who barely walk will find it challenging to keep up with peers who often practice, even if they are in perfect health condition.

12km: Average Walking Times by Age and Gender

Research published by Schimpl et al. in 2011 indicated that the walking time varies across gender and age levels. It showed that younger people in their 20s and 40s walk faster than older people in their 50s upwards.  

Correspondingly, men walk faster than women, given the same circumstances in terms of health, fitness and age.

AgeGenderAverage speed (Km/h)How long does it take to walk 12 km
20-29Male4.892 hrs 27 min
 Female4.822 hrs 29 min
30-39Male5.142 hrs 20 min
 Female4.822 hrs 29 min
40-49Male5.142 hrs 20 min
 Female5.002 hrs 24 min
50-59Male5.142 hrs 20 min
 Female4.712 hrs 33 min
60-69Male4.822 hrs 29 min
 Female4.452 hrs 42 min
70-79Male4.532 hrs 39 min
 Female4.072 hrs 57 min
80-89Male3.493 hrs 26 min
 Female3.373 hrs 34 min

Typically, it would take an average man 2 hrs 20 min to complete a 12 km walk at an average pace of 5.14 km/h, while it takes an average healthy woman 2 hrs 25 min to complete a 12-km walk at an average pace of 5 km/h.

How Long Will 12 km Take on the Treadmill?

Treadmill Speed/Miles per hour (mph)km per hour (km/h)Time needs for 12 km
2.54.003 hrs
3.04.822 hrs 29 min
3.14.992 hrs 24 min
3.25.152 hrs 20 min
3.35.312 hrs 16min
3.45.482 hrs 11 min
3.55.632 hrs 08 min
3.65.802 hrs 04 min
3.75.952 hrs 01 min
3.86.111 hr 58 min
3.96.271 hr 55 min
4.06.441 hr 52 min
4.16.601 hr 49 min
4.26.761 hr 47 min
4.36.921 hr 44 min
4.47.001 hr 43 min
4.57.241 hr 39min
5.08.041 hr 30 min

How Many Steps in 12 km Walk? (Men and Women Combined)

True, men and women have differences in the number of steps they take for a certain duration. Men take a shorter time and fewer steps compared to women. 

According to thecalculatorsite;

For a healthy woman who is 5 ft 9 inches tall walking at an average speed of 5 km/h, approximately 16733 steps are expected to complete 12 km. On the other hand, for a healthy man who is 5 ft 9 inches tall walking at an average speed of 5 km/h, approximately  16487steps are expected to finish 12 km.

How Many Calories Are Burned Walking 12 Km?

On average, most people burn between 280 and 420 calories walking 6 km. since 12km is double the distance, at the same pace and conditions, one will burn between 500 and 900 calories, given that the number rises with increased resistance and exercise.

However, remember that weight is a primary determinant of the number of calories you shed at a time. By this, I mean that a heavier person sheds more weight than a lighter or fitter person. For example, some heavier (250 pounds) will burn up to 1100 calories just by walking 12 km, while 130 pounds people will burn less than 600 calories with the same distance and exercise.

Does a 12km Walk Help with Weight Loss?

Yes, it does. Walking 12 km a day and burning approximately 800 calories will translate into a calorie deficit. Even if you don’t change your diet, consistency in the deficit will get you to lose weight. 

However, this would mean approximately 2kg weight loss a week, after walking 4 days a week for 12 km pin each walk. Technically, this is enough weight loss in a week for most people. However, it may not be much for an overweight person set on losing weight fast.

However, you can eat less calorie-filled foods to enhance the calorie deficit. Also, you may need additional strength exercises, which will help build endurance that helps burn more calories. The more calorie burning, the more weight you should expect to lose.


It takes approximately 150 minutes, or 2 and a half hours, to walk 12 km. However, one may have to practice more often to get to this target or walk in two hours or less for the same distance. The bottom line is to keep practicing until it is no longer straining to walk over a long distance.

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Written by

Jennifer Lewis