Wash something thoroughly once a week—a floor, a couple of windows, the shower stall, bathroom tile, or your car.

35. Wash something thoroughly once a week—a floor, a couple of windows, the shower stall, bathroom tile, or your car. A 150-pound person who dons rubber gloves and exerts some elbow grease will burn about four calories for every minute spent cleaning, says Blake. Scrub for 30 minutes and you could work off approximately 120 calories, the same number in a half-cup of vanilla frozen yogurt. And your surroundings will sparkle!