A half acre equals to 21,780 square feet. About 43,560 square feet make one acre. To convert acres into square feet, the number of acres is multiplied by the conversion factor. In this case, 0.5 acres is multiplied by 43,560 square feet.
An acre is a unit of area primarily used in the imperial and U.S. customary measurement systems. It is equal to 4,047 square meters, 4,840 square yards, 0.405 hectares, 1/640 or 0.0015625 square miles. The acre is defined in square units because it is a measure of area and not length, and it can take any shape. A square measurement consists of a two-dimensional derivative of a linear measure, so a square foot refers to the area of a square with one-foot length sides.Learn More
A kVAr calculation is a type of formula that works to determine the power factor. Power factor is a measurement electricity companies use to determine how much to charge a customer for his electricity usage. If the power factor for a facility is under 95 percent, the power company may assess a reactive power, or kVAr, fee to the customer.Full Answer >
As of December, 2013, there is an autonomous drone that weighs just 20 grams, according to Geek. The drone, called the DelFly Explorer, was designed and built by the TU Delft University of Technology in the Netherlands.Full Answer >
For dilute solutions, convert molarity to ppm by multiplying the molarity by the molecular mass of the solute, then multiplying the result by 1000.Full Answer >
While there is no one definition of mansions by size, a good rule of thumb is 5,000 square feet. The square footage varies by area, as a 5,000-square-foot house in Manhattan is considered a mansion, but in some suburbs it's not. Normally, mansions indicate greater grandeur than the norm.Full Answer >