What is the approximate volume of a coffee cup? 1 mL = large drop of water (Note: 5 mL = 1 tsp) 1L = Half of a 2 L bottle of Coca-Cola 1 KL = tanker truck's volume O 1) 250 L 2) 2.50 L 3) 250 mL 4) 2.50 mL 5) 25.0 mL What is the approximate volume of a coffee cup? 1 mL = large drop of water (Note: 5 mL = 1 tsp) 1L = Half of a 2 L bottle of Coca-Cola 1 KL = tanker truck's volume O 1) 250 L 2) 2.50 L 3) 250 mL 4) 2.50 mL 5) 25.0 mL