To convert 0.5 liters to cups, note that:
1 liter = 4.22675 cups.
For 0.5 liters:
0.5 \times 4.22675 = 2.113375 \, \text{cups}
So, a 0.5 liter water bottle contains approximately 2.11 cups of water.
To convert 0.5 liters to cups, note that:
1 liter = 4.22675 cups.
For 0.5 liters:
0.5 \times 4.22675 = 2.113375 \, \text{cups}
So, a 0.5 liter water bottle contains approximately 2.11 cups of water.