I work at a diner! I waitress 5 hours a day! I’m constantly moving! My pedometer only reads 2000 steps? Does that seem accurate?

They aren't that accurate.  They need full steady strides, they don't acknowledge half steps and pivots.

That would be 400 steps an hour, or 6-7 a minute.  Some of the time you're standing still, like taking orders or other talking to customers.  sounds reasonable.

You have apparently found the most efficient way to do your job in the least amount of steps. 

Why don't you test your pedometer instead of ask us when we have no idea how big the diner is?

- check home many steps you have.  walk 10 steps, and see how many steps it says. 

Did you calibrate the pedometer when you started to use it?

Never used one  But you are getting plenty of exercise on your feet for 5 hours