You can check your pulse anytime, anywhere - here's a few different ways to check your pulse. Choose which method is most comfortable to you.
Check your RADIAL pulse - this is on your wrist. Youtube video courtesy of that perennial smiler, "RegisteredNurse".
Check your carotid pulse - this on your neck.
And here's a video showing other places to check your pulse but they may be harder to locate.
So now you know how to find your pulse - press on to find out how to calculate your heart rate.