The standard trading unit that traders transact. Micro Lot – The smallest tradable lot size: 1,000 units of the currency. Mini Lot – A smaller lot size: 10,000 units of the currency. Standard Lot – 100,000 units of the currency.
Nano lot = 0.001 of a lot = 100 base units ($100 if the account is in $) = $0.01 per pip for the EUR/USD
Micro lot = 0.01 lot = 1,000 base units = $0.10$ per pip for the EUR/USD
Mini lot = 0.10 lot = 10,000 base units = $1 per pip for the EUR/USD
Lot standard 1.00 lot = 100,000 base units = $10 per pip for the EUR/USD