(Wattage x eight) Ã· 1000 = kWh per day. Where eight represents our presumed eight hours active time per day. Thus a 600 Watt unit â typical of older, larger refrigerators â would use 4.8 kilowatt hours daily, or 1750 per year; where a more modern 140 watt unit uses about 1.1 kWh daily, or approximately 400 per year.This is how many watts does a refrigerator use.No information is provided by the author.Wattage x eight) Ã· 1000 = kWh per day. Where eight represents our presumed eight hours active time per day. Thus a 600 Watt unit â typical of older, larger refrigerators â would use 4.8 kilowatt hours daily, or 1750 per year; where a more modern 140 watt unit uses about 1.1 kWh daily, or approximately 400 per year.
Waist to Height Ratio. The waist-to-height ratio is calculated by measuring waist size and dividing it by height, in inches. For example, a man with a 36-inch waist who is 6 feet 3 inches, or 75 inches total, would have a ratio of .48.octors are increasingly using BMI in combination with waist circumference to assess a personâs risk. Men with a waist size of more than 40 inches and women with a waist size of more than 35 inches are at increased risk for heart disease and diabetes.
Tips & Warnings. 1  You may want to take your measurements in front of a full-length mirror to ensure you are measuring the right area and that the measuring tape isn't crooked. 2  A healthy waistline for a woman is between 32 and 23 inches. 3  For a man, it's between 45 and 32 inches.ind your natural waist. An easy way to do this is to stand in front of the mirror and bend at your side. The crease that forms indicates your natural waistline, directly above the belly button and below the ribcage. Wrap the measuring tape completely around your waist starting at the belly button.