To perform a simple flow calculation, multiply the flow area by the flow velocity to determine the flow rate. Ensure that the units of length are consistent when performing calculations. If, for example, the flow area is... More » Science Measurements

The simplest ROI formula divides the gains earned on an investment by its initial cost, according to Investopedia. Someone who invests $10,000 and earns $1,000 has a return on investment, known as ROI, of 10 percent beca... More » Business & Finance Financial Calculations

Using a spreadsheet allows a business to keep records of vast information in a single, organized location. A spreadsheet can easily make various calculations simultaneously, aiding in the analysis of its numerical data. ... More » Technology Software
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To calculate the flow rate in a cylindrical pipe, the basic formula, which is flow rate is equivalent to pipe cross-sectional area multiplied by velocity, can be used. Here the area is calculated as pi times pipe diamete... More » Science Physics Motion & Mechanics

To calculate the water flow rate through a given pipe size, multiply the area of the inner cross-section of the pipe by the velocity of the water. The velocity of the water is required for this calculation. More » Home & Garden Home Maintenance Plumbing

To measure volumetric flow rate, use a flow meter. Cubic feet is a unit of volume, and minute is a unit of time. The rate of volume flow is referred to as volumetric flow rate. More » Science Measurements

Pounds per hour (lb/hr) is a mass flow rate, whereas standard cubic feet per hour (SCFH) is a volumetric flow rate measured at a specific temperature and pressure. Therefore, the density of the fluid being measured as we... More » Science Measurements