confuse thinking how to calculate bitcoin, from BTC - bitcoin - mBTC - millibits - uBTC - microbits - satoshi
use this link to get real calculate : http://edrive.pbworks.com/w/page/67151452/BTC%20Unit%20Conversion%20Calculator

Ways to read this...
"I have 1.234 Bitcoins. That's 1,234 mBTC or 1,234,000 uBTC, or 123,400,000 satoshi."
"I have 5,000 uBTC. That's 5 mBTc or 0.005 BTC."
happy earning :)