What is a normal standing heart rate if 60-100 is a normal resting heart rate?

Normal heart rate: Resting heart rate means the rate when not exerting effort, such as sitting, standing quietly, or lying down, usually 60-100 beats/min. A fit athlete will have a lower rate than an average person, as low as 40-60 beats a minute. Maximal heart rate is roughly 220- Age in years, Often, it is recommended aerobic exercise should be at 60-80% Maximal for healthy individuals.

The same: Your body will typically maintain your resting pulse the same either sitting or standing. If you are dehydrated or having problems with orthostatic hypotension the heart rate will increase along with a drop in BP (20 systolic or 10 diastolic).