How much do female polar bears weigh?

Around 900 to 1500 lbs.

The male polar bear weighs approximately 1500 pounds.
The adult polar bear wheighs about a ton when they are full grown.When it is a baby it only wheighs a few ounces...
The polar bear is the largest carnivore on the earth. Adult males weigh between 350 to 680 kilograms (770 to 1500 pounds). They can measure between 2.4 to 3 meters in length (7.9 to 9.8 feet). Females are comparatively smaller and weigh around 150 to 250 kilograms (330 to 550 pounds) and measure 1.8 to 2.4 meters (5.9 to 7.9 feet) in length. However, when the female is pregnant, she can weigh as high as 500 kilograms. The largest ever Polar Bear recorded by man weighed 1002 kilograms (2210 pounds). Standing on all four feet, their height at shoulder is around 130 to 160 cms (4 to 5.5 feet) and while standing they can be as much as 10 feet or more in height.
1200- 2000 lbs