Song tempo and step cadence are different counts
Music tempo measures beats per minute. Running cadence counts steps per minute, including both feet. The two numbers can match, but they do not have to. You might take one step per musical beat, or hear one musical beat across two steps.
For example, a runner moving at 160 steps per minute could follow music at 160 BPM with one step per beat. The same step rhythm could also line up with an 80 BPM track if each beat spans two steps. This is a relationship between counts, not a recommendation for how fast anyone should run.
Begin with a comfortable rhythm
Use a recent cadence reading from a familiar run, if you already have one, or simply start with songs that feel comfortable while moving. There is no need to force your stride to match a track. A song can be enjoyable without synchronizing every step to its beat.
If you want to count steps, do so in a safe setting without operating your phone while moving. Count both feet over a measured interval, then convert that count to one minute. Remember that hills, changes in pace, and different parts of a run can produce different rhythms.
Measure the music you already like
Play a favorite track and use the BPM counter to tap its main pulse. Give yourself eight to sixteen beats to settle into it. Note the result in your playlist description or your own track list, then repeat with a few more songs.
If the count seems half as fast as your step rhythm, try doubling the BPM number mentally and see whether that relationship makes sense. A song near 82 BPM can share a pulse relationship with 164 steps per minute. The feel of the arrangement still matters, so listen rather than relying on the label alone.
Build a small playlist and adjust it
Begin with a few tracks whose rhythms feel similar. Put gentler songs near the start and finish if that suits your routine. Avoid a large jump in tempo when your aim is to keep the musical pulse consistent.
After a run, keep the songs that felt natural and move the distracting ones elsewhere. Your playlist is a preference, not a training prescription. The useful outcome is music you enjoy at your chosen pace, with BPM serving as one way to organize it.