Big Ass Fans 
AutoCAD files, catalogs, photos and videos presenting the installation, design and development of industrial ceiling fans. Merchandise with company logo, free expert advice, and calculators that estimate energy costs and savings. |
The Tile Doctor
Use the calculator to find out how many tiles you need for a project, or make use of the locator to find tiling contractors, designers and architects in your area. |
Gardner-Gibson
Wall patches, caulks and sealants, coatings, cements, adhesives for roofs and foundations, fillers and sealers for asphalt and concrete pavements. Free tool estimates the quantity needed to cover a surface based on square footage. |
ObesityinAmerica.org
The Endocrine Society and The Hormone Foundation provide the latest research on the obesity epidemic, with a body fat (BMI) calculator for assessing the individual's weight to height ratio, and listings of support groups, and weight loss programs. |
Metric Conversions
Conversion calculators and tables, and metric formulas for length, area, volume, weight and temperature. |
Ask Numbers
Conversions to and from most commonly used length/distance, acceleration, area, calorie, angle, computer storage, cooking, time, density, electrical, energy, force, heat, light, power, pressure, speed, temperature, torque, volume, weight and mass units. |
Mr Calculator
Range of calculators including: simple arithmetic, hexadecimal, conventional keypad, mortgage payments, linear measure and more. To be used as-is or added to your web site. |
How Far is It
Use the calculator to discover the distance between any two places from anywhere in the world, choose cities, states or countries. With a currency exchange for easy currency conversions, updated daily but not guaranteed. |
Specialist Calculators
Huge assortment of calculators including those for specific energy, spread rate, viscosity, specific heat capacity, length, area, volume, mass, temperature, angles, cost of living in several different countries and more.| http://www.projects.ex.ac.uk/trol/scol | site info |
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ImproveNet
Home improvement resources. Check out Project Tools to get an estimate on your project, big or small, from flooring to roofing, then calculate material needs on carpet, paint and more. |
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