How Many Steps to Walk Around the World? The Real Math

Walking once around the Earth's equator, 24,901 miles (40,075 km), takes roughly 49 to 63 million steps, depending on your stride length. With a typical 2.5-foot stride, it comes to about 52.6 million steps. At 10,000 steps a day, that is about 14.4 years of walking.

The exact number depends on one thing you can measure in five minutes: how far you travel with each step. Below are the numbers for common stride lengths, a quick way to calculate your own, and how long the trip takes at different daily step counts.

How many steps is it to walk around the world?

The math is simple. Take the distance around the planet and divide it by the length of one step. The equator is 24,901 miles long, which is 131,477,280 feet or 40,075,000 meters. The pole-to-pole circumference is a little shorter, at about 24,860 miles (40,008 km), but the equator is the figure most people use.

Stride length is where people differ. Most adults land somewhere between 2.1 and 2.7 feet per walking step. Taller people and fast walkers sit at the top of that range. Shorter people and slow walkers sit at the bottom.

Stride length	Steps per mile	Steps around the world
2.1 ft (64 cm)	2,514	about 62.6 million
2.3 ft (70 cm)	2,296	about 57.2 million
2.5 ft (76 cm)	2,112	about 52.6 million
2.7 ft (82 cm)	1,956	about 48.7 million

A difference of a few inches per step adds up fast. The gap between a 2.1-foot stride and a 2.7-foot stride is nearly 14 million steps over the full lap. That is several years of walking for most people.

How do you work out your own number?

You don't need special equipment. A tape measure, a sidewalk and your phone's calculator are enough.

1. Mark a known distance. Use a running track (one lap of the inside lane is 400 meters, about 1,312 feet), or measure 50 feet on a sidewalk with a tape measure.
2. Walk it at your normal pace. Don't stretch your legs or speed up. Count every step from start to finish.
3. Divide the distance by your step count. If you take 20 steps to cover 50 feet, your stride is 2.5 feet. Repeat it two or three times and average the results.
4. Divide the Earth by your stride. Using feet, divide 131,477,280 by your stride. Using meters, divide 40,075,000 by your stride. A 0.72 m stride gives 40,075,000 ÷ 0.72 = about 55.7 million steps.
5. Turn it into days. Divide the total by your usual daily step count. Divide that by 365 to get years.

If you can't measure right now, a common rule of thumb puts walking stride at about 41% of your height. Someone who is 5 feet 9 inches (69 inches) tall would get roughly 28 inches, or about 2.35 feet. Treat that as a starting point. Measuring is more accurate.

How long would it take at 5,000, 10,000 or 15,000 steps a day?

Here is the timeline using a 2.5-foot stride, which is about 52.6 million steps for the full lap.

Steps per day	Distance per day	Days to finish	Years to finish
5,000	2.4 mi (3.8 km)	about 10,500	about 28.8
10,000	4.7 mi (7.6 km)	about 5,260	about 14.4
15,000	7.1 mi (11.4 km)	about 3,500	about 9.6
20,000	9.5 mi (15.2 km)	about 2,630	about 7.2

With a shorter 2.1-foot stride, the same 10,000 steps a day stretches the trip to about 17 years. With a 2.7-foot stride, it drops to about 13.3 years.

Those numbers look big, but the milestones along the way come quickly. At 10,000 steps a day you cover a marathon distance (26.2 miles) in under six days. You pass 1,000 miles in about seven months. The roughly 3,500 miles between New York and London, as the crow flies, would take you about two years.

Could you actually walk around the world?

Not along the equator. About three quarters of the equator crosses ocean, and the land parts run through dense rainforest in places like the Congo Basin and the Amazon. People who walk "around the world" follow routes across continents and take boats or planes over the water. Their walking distance is usually well under the full 24,901 miles. If you want to know the rules for an official record attempt, check with the record body directly, since requirements change.

For a sense of scale, imagine walking the full equator nonstop at 3 miles per hour, a comfortable pace. It would take about 8,300 hours. That is around 346 days with no sleep, no meals and no rest. Walk 8 hours a day at the same pace and it becomes about 1,040 days, close to three years of full-time walking.

This is why the idea works so well as a virtual goal. You add up the steps you already take, at home, at work and on the way to the store, and plot them on the map of a real trip.

How do you track a virtual walk around the world?

The hard part of a 52-million-step goal is not the walking. It is keeping count for a decade and still caring about it in year three. A setup that runs on its own and shows visible progress makes that much easier.

1. Let your phone count the steps. An iPhone records steps in the Health app automatically when it is in your pocket or bag. Most Android phones have a built-in step counter too. A watch or fitness band works if you prefer.
2. Set your stride length in your tracker. Many trackers estimate distance from your height. If yours lets you enter a measured stride, use the number you got above so the distance stays honest.
3. Put your steps on a map. This is the step that keeps it interesting. I use World by Steps, which syncs with Apple Health and moves you along the real 40,075 km route, city after city. The dashboard shows which landmark is next, like the Eiffel Tower, the Great Wall or the Statue of Liberty, and how far away it is. There is nothing to start or stop. You walk, and the trip moves forward.
4. Pick near milestones, not just the finish line. The next 100 miles, the next country, the next landmark. A goal you can reach this month keeps you walking better than one 14 years away.
5. Review weekly and monthly totals. Daily counts bounce around with weather and work. A week or month view shows whether you are really on pace. If you average 60,000 steps a week, you are close to the 10,000-a-day timeline above.

If you prefer doing it by hand, a spreadsheet works. Log your daily distance, keep a running total, and list a few cities with their distance from your starting point. Each time your total passes one, you've "arrived." It takes a couple of minutes a day and works as long as you remember to update it.

How can you speed up the trip without burning out?

Going from 5,000 to 10,000 steps a day cuts about 14 years off the journey. Going from 10,000 to 15,000 cuts almost five more. You don't need long hikes to get there. Short additions throughout the day do most of the work.

• Walk after meals. A 10-minute walk after lunch and dinner adds roughly 2,000 steps for most people.
• Make one trip a day on foot. Walking to the store, the train or a coffee shop half a mile away and back adds around 2,000 steps with a 2.5-foot stride.
• Take calls standing up and moving. A 20-minute phone call while pacing can add 1,500 to 2,000 steps.
• Protect the streak, not the record. On a bad day, a short walk around the block keeps the habit alive. Consistency over years matters more than one 25,000-step Saturday.
• Build up gradually. If you are currently at 4,000 steps a day, adding 1,000 a week is easier on your feet and joints than doubling overnight. If you have a health condition, check with your doctor before a big jump in activity.

Keep your phone in the same place each day if it is your only tracker. Phones count best in a front pocket or a bag worn close to the body. Left on a desk, they miss every step you take around the office.

What does the full trip look like in everyday terms?

Put together, a walk around the world at 10,000 steps a day breaks down like this: about 4.7 miles a day, about 33 miles a week, about 1,700 miles a year. Over 14 years, that adds up to the whole planet. Most of those steps are ones you would take anyway. The difference is whether you count them toward something.

Measure your stride, run the numbers once, and pick the first landmark you want to reach. If you'd like the map and the landmark countdown handled for you, World by Steps is free on iPhone and iPad, and on Android.

Frequently asked questions

How many steps are in a mile?

About 2,000 to 2,500 steps for most adults, depending on stride length. With a 2.5-foot stride it is about 2,112 steps per mile.

How many miles is 10,000 steps?

Roughly 4 to 5 miles (about 6.5 to 8 km). With a 2.5-foot stride, 10,000 steps is about 4.7 miles.

How long would it take to walk around the world nonstop?

At a steady 3 miles per hour, the 24,901-mile equator would take about 8,300 hours, or roughly 346 days with no stops at all. In reality, oceans make walking the full equator impossible.

How many years would it take to walk around the world at 10,000 steps a day?

About 14.4 years with a 2.5-foot stride. A shorter stride pushes it closer to 17 years, and a longer one brings it down to around 13.

Do running steps count toward walking around the world?

Yes, any steps you take add distance. Running strides are longer than walking strides, so you cover more ground with fewer steps.