what is meant hashrate for mining cryptocurrency !

Her what is meant hashrate for mining cryptocurrency 

hashrate denominations

• 1 kH/s is 1,000 (one thousand) hashes per second
• 1 MH/s is 1,000,000 (one million) hashes per second.
• 1 GH/s is 1,000,000,000 (one billion) hashes per second.
• 1 TH/s is 1,000,000,000,000 (one trillion) hashes per second.
• 1 PH/s is 1,000,000,000,000,000 (one quadrillion) hashes per second.
• 1 EH/s is 1,000,000,000,000,000,000 (one quintillion) hashes per second.

Conversions

• 1 MH/s = 1,000 kH/s
• 1 GH/s = 1,000 MH/s = 1,000,000 kH/s
• 1 TH/s = 1,000 GH/s = 1,000,000 MH/s = 1,000,000,000 kH/s