A pedometer clipped to your clothes can motivate you to walk more. Walking 10,000 steps a day is a healthy goal.
Consumer Reports tested a dozen pedometers. Prices ranged from $12 to more than $50. Premium Pedometer from Omron that costs $35 appeared to be one of the most accurate.
A $20 pedometer called the Freestyle Tracer was named a best buy. It's a little bit less accurate than the Omron but it's cheaper. Freestyle Tracer tracks distance in miles, kilometers or steps. Also, it calculates calories burnt.
More info:
Links:
[1] http://walking.about.com/cs/measure/bb/bybpedometer.htm
[2] http://www.ivillage.com/diet/experts/fitfriday/qas/0,,165563_634965,00.html