Help please! What should my heart rate be during cardio?

npostemni
npostemni Posts: 102 Member
This may be a stupid question but I can't figure out what my maximum heart rate should be when I'm doing cardio. I'm 26 5'2 174 lbs. it's probably really easy to figure out but I'm having trouble doing it. What should I be aiming for (between what bpm)?
I hope my question is easy to understand.
Thanks!

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