21 Steps to Miles
21 steps are about 0.0099 miles, or 0.016 kilometres, at an average adult stride. Below is the same distance worked out for your own height, along with how long it takes to walk and roughly what it burns.
- under a minuteWalk time
- 1Kcal at 160 lb
- 0.0400 m laps
- 2,112Steps per mile
Calibrate your stride
Drag to match your own step. Most adults sit between 24 and 32 inches, and every figure below the fold assumes 30.
Distance by height
Stride length is the single biggest variable in any step to distance conversion, and it scales with height. A reliable estimate is that your walking stride is about 41 percent of your height. Find your height below to see what 21 steps actually covers for you.
| Height | Stride | Steps per mile | 21 steps | In km |
|---|---|---|---|---|
| 4' 10" | 24.0 in | 2,645 | 0.0079 mi | 0.013 km |
| 5' 0" | 24.8 in | 2,557 | 0.0082 mi | 0.013 km |
| 5' 2" | 25.6 in | 2,474 | 0.0085 mi | 0.014 km |
| 5' 4" | 26.4 in | 2,397 | 0.0088 mi | 0.014 km |
| 5' 6" | 27.3 in | 2,324 | 0.0090 mi | 0.015 km |
| 5' 8" | 28.1 in | 2,256 | 0.0093 mi | 0.015 km |
| 5' 10" | 28.9 in | 2,192 | 0.0096 mi | 0.015 km |
| 6' 0" | 29.7 in | 2,131 | 0.0099 mi | 0.016 km |
| 6' 2" | 30.6 in | 2,073 | 0.010 mi | 0.016 km |
| 6' 4" | 31.4 in | 2,019 | 0.010 mi | 0.017 km |
| 6' 6" | 32.2 in | 1,967 | 0.011 mi | 0.017 km |
Highlighted row is close to the average adult height. Across this range the same 21 steps varies by roughly 0.0016 miles, which is why a shared step target means noticeably different distances for different people.
Time on feet
| Pace | Steps per minute | Time for 21 steps |
|---|---|---|
| Strolling | 90 | under a minute |
| Average walk | 105 | under a minute |
| Brisk walk | 120 | under a minute |
Energy cost
Calories burned depend mostly on body weight and pace. These figures assume a moderate walk, the same under a minute of walking the table above describes.
| Body weight | Calories | Per 1,000 steps |
|---|---|---|
| 130 lb (59 kg) | 1 kcal | 34.4 kcal |
| 160 lb (73 kg) | 1 kcal | 42.3 kcal |
| 190 lb (86 kg) | 1 kcal | 50.3 kcal |
| 220 lb (100 kg) | 1 kcal | 58.2 kcal |
What 21 steps means
21 steps is a light amount of movement, roughly what you pick up on a few trips around the house or one short errand.
In physical terms that is about 0.0 laps of a standard 400 metre running track, or roughly 0.2 lengths of an American football field. Walked in one go at an average pace it would take about under a minute.
Nearby conversions
Popular conversions
- 1,000 steps
- 2,000 steps
- 2,500 steps
- 3,000 steps
- 4,000 steps
- 5,000 steps
- 6,000 steps
- 7,000 steps
- 7,500 steps
- 8,000 steps
- 10,000 steps
- 12,000 steps
- 15,000 steps
- 20,000 steps
Frequently asked
How many miles is 21 steps?
21 steps is about 0.0099 miles (0.016 km) for an adult with an average 30 inch stride, which works out at roughly 2,112 steps per mile.
How long does it take to walk 21 steps?
At an average cadence of 105 steps per minute it takes about under a minute. At a brisk 120 steps per minute it drops to roughly under a minute, and at a slow stroll of 90 steps per minute it stretches to about under a minute.
How many calories does 21 steps burn?
Around 1 calories for a 160 lb (73 kg) adult walking at a moderate pace. Lighter walkers burn less and heavier walkers burn more, roughly in proportion to body weight.
Does my height change how far 21 steps is?
Yes, and by more than most people expect. Walking stride is close to 41 percent of your height, so someone 5 ft 2 in covers about 0.0085 miles in 21 steps while someone 6 ft 2 in covers about 0.010 miles for the exact same step count.
Is 21 steps a good daily total?
21 steps is a light amount of movement, roughly what you pick up on a few trips around the house or one short errand. The 10,000 step figure is not a medical threshold, it began as the name of a 1960s Japanese pedometer, but larger daily step counts do track with better health outcomes up to somewhere around 8,000 to 10,000 steps a day.
Read how many steps are in a mile, browse the full chart, or check distance by height.