Express 975 millimeters as liters.

To convert millimeters to liters, you need to divide by 1000 since there are 1000 millimeters in a liter.

Therefore, to convert 975 millimeters to liters:

975 millimeters = 975 / 1000 = 0.975 liters

So, 975 millimeters is equivalent to 0.975 liters.