Free online Flow Rate calculator which helps you calculate the flow rate of any pipe given its diameter and liquid/gas velocity or its height and width (for a rectangular pipe) and velocity. The pipe flow rate calculator (a.k.a. Unlike other calculators, you are NOT confined to inputting diameter in inches, velocity in miles per hour, etc. Flow rate conversion tool for volumetric flow units. The Hazen-Williams equation is an empirically derived formula that describes the velocity of water in a gravity flow. Velocity when water flow equation is given calculator uses flow velocity=water flow/Cross sectional area to calculate the flow velocity, The Velocity when water flow equation is given formula calculates the flow velocity when area of cross section of the pipe and water flow are given. The floods in April 2011 had an estimated peak flow of 2 million cubic feet per second, which is equal to (2,000,000*60*7.48 GPM) or 900 million GPM. In order to calculate the flow rate (F) the following equation is suitable: F = 1/4πP 2 V. Each of the three figures can be processed in different measurement units since this fluid flow rate calculator performs the conversion to the default unit by multiplying the value specified with one of the factors given in the tables below per … Now that we know the definition of the MFR, let’s find the mass flow rate of … Flow passing through a controlled space gets measured with air and gas flow … • Top eq’n shown in units: … discharge rate calculator) accepts input in both metric and imperial units: m/s, km/h, ft/s, yd/s, mph, and … I N S T R U C T I O N S. This ultra calculator is special by allowing you to choose among a great variety of units (6 for diameter and 24 each for velocity and flow rate). Flow and Velocity Calculations 2 ASM320: Water and Waste Water Operations Volumetric Flow Rate • Q = A V • flowrate is equal to area of flow times the velocity of flow • Dimensions are L3/T = Volume/Time • Typical Units are Gallons/Day, Gallons/Min (gpm) Cubic Feet per second (cfs), etc. A needs to be calculated. For each new calculation a unique conversion scale will be generated for the range of flow velocities and volumetric flow rates with the cross sectional area specified. Converting from Flow Velocity to Volumetric Flow Rates It is convenient when comparing results for columns of different sizes to express flow as flow velocity (cm/h). This tool will calculate the volumetric flow rate in any units from the specified velocity of a substance flowing through a round duct or pipe of a chosen diameter. Flow Units Converter - Convert between volume flow units - gpm, liter/sec, cfm, m 3 /h - an online flow unit calculator; Speed and Velocity Converter - Convert speed and velocity units - m/s, km/h, knots, mph and ft/s; Unit Converter with commonly used Units - Common converting units for Acceleration, Area, Density, Energy, … Remember that the Hazen-Williams equation is valid only for water - applying it for any other fluid will give you inaccurate results. It also doesn't take into account … making this calculator quite versatile. This tool will calculate the volumetric flow rate in any units from the specified velocity of a substance flowing through a defined cross-sectional area. In physics the Mass Flow Rate (MFR) is the passage of a given mass per given unit of time, and is formulated as MFR = density x velocity x area. Hazen-Williams equation. Automatic tool to precisely calculate velocity from one flow unit into other equivalent flow rate US, UK, Metric units. However, flow is usually measured in volumetric flow rate (ml/min). For example if a fluid is flowing through a pipe of Diameter 10 cm then its radius = 5 cm. 900 million GPM will equate to (900,000,000*0.133680/105600) feet per minute, a speed of 1139 feet per minute. Online converter for flow rate by volume and mass, conversion charts with flow metrics conversion factors. For each new calculation a unique conversion scale will be generated for the range of flow speeds and volumetric flow rates for the diameter specified. Q = flow rate, A = Area, V = velocity. You need to use the formula Q = AV.