There are approximately 67.63 ounces in 2 liters.

Explanation:

• 1 liter = 33.814 ounces (fluid ounces, US)
• So, 2 liters = 2 × 33.814 = 67.628 ounces

If you need the value in a different type of ounce (like weight ounces), please let me know!