Convert the measurement \[ 1950 \mathrm{~mL}=\square \mathrm{L} \]

Step 1 ：Given that 1 liter is equal to 1000 milliliters, we can convert 1950 mL to liters by dividing 1950 by 1000.

Step 2 ：\(\text{mL} = 1950\)

Step 3 ：\(\text{L} = \frac{1950}{1000} = 1.95\)

Step 4 ：Final Answer: \(1950 \text{ mL} = \boxed{1.95} \text{ L}\)