Stride length is one of the reasons I never had much luck with pedometers of any kind. This time, however, I wanted to do it right. It is not hard to do, just takes a little time and a little math. It is also really necessary to have a pathway that is known to be a mile. If you have a GPS watch or some other kind of distance measure, it will be easy. This is how I did it:
1. I went to the park and right before I started my GPS watch (Garmin Forerunner 205 -- LOVE IT), I wrote down the starting number on my Fitbit.
2. I started my watch and walked at my usual pace and stride until I reached 1 mile. At that point, I wrote down the Fitbit number on the paper I had in my pocket.
3. I walked another mile and wrote down the number. I repeated this until I reached 5 miles.
4. Subtract the 4-mile number from the 5-mile number, 3-mile from 4-mile, etc. until you have 5 amounts. These represent the number of steps you took in each of the 5 miles. They should be approximately 2000 to 2200 steps. If you don't want to do 5 miles, then do 3 miles or whatever. The more numbers you have, the more accurate it will be.
5. Figure the average of your numbers. Add your 5 numbers and divide by 5 or however many numbers you started with. My 5-mile average was 2184 or something like that.
6. Now it gets a little harder. Divide the number of inches in a mile (63360) by the average number of steps you take in a mile (in my example: 2184) and you will get the average length of your stride (in my example: 29 inches or 2 feet 5 inches). Enter that distance in feet and inches on your Fitbit profile.
If that is "too much information", according to a lot of websites, the average woman has a 24 inch stride. I am 5'3" and found that my stride is a lot more than average. If you are walking with a purpose, I bet you would be longer too. I estimated my running stride length would be the same as my walking because I am a lousy runner.
I have crosschecked the Fitbit distance with the Garmin distance and found it to be surprisingly accurate.
Good luck,
Lynda