Also, keep in mind that there are several different formulas for calculating square footage, and your builder's estimate may differ slightly from ours. (coastallivinghouseplans.com)
From the research done on each one of these formulas, just about every parent mentioned that they tried several different formulas before settling on the one they chose. (omaby.com)
If you take a walk down the dog food aisle at your local pet store you might be faced with dozens of different brands, each offering several different formulas or flavors. (dogfoodinsider.com)