Gallons Per Hour Consumption Calculator Gallons Per Hour Consumption Calculator Calculate the consumption in gallons per hour using: \[ \text{GPH} = \text{GPM} \times 60 \] * Enter the flow rate in gallons per minute (GPM). Step 1: Enter Flow Rate Flow Rate, \( \text{GPM} \) (gallons per minute): Example: 10 GPM Calculate GPH Calculated Consumption […]
Read MorePipe Outlet Control Calculator Pipe Outlet Control Calculator Calculate the discharge through a pipe outlet control using: \[ Q = C_d \, A \, \sqrt{2\,g\,H} \] where \( A = \frac{\pi D^2}{4} \). * Enter the outlet diameter (m), head (m), and discharge coefficient. Step 1: Enter Parameters Outlet Diameter, \( D \) (m): Example: […]
Read MoreHydrograph Method Calculator Hydrograph Method Calculator Estimate the peak discharge from a watershed using the NRCS Unit Hydrograph method. \[ Q_{\text{peak}} = \frac{4840\, A\, P}{T_p} \] * Enter the watershed area (acres), rainfall excess (inches), and time to peak (min). Step 1: Enter Parameters Watershed Area, \( A \) (acres): Example: 50 acres Rainfall Excess, […]
Read MoreDouble-End Area Method Calculator Double-End Area Method Calculator Calculate the effective area using the double-end area method: \[ A_{\text{eff}} = \frac{A_1 + A_2}{2} \] * Enter the two measured areas in m². Step 1: Enter Measured Areas Area at End 1, \( A_1 \) (m²): Example: 2.5 m² Area at End 2, \( A_2 \) […]
Read MoreOrifice Outlet Control Calculator Orifice Outlet Control Calculator Calculate the discharge through an orifice outlet using the equation: \[ Q = C_d \, A \, \sqrt{2\,g\,H} \] where \( A = \frac{\pi D^2}{4} \). * Enter the orifice diameter (m), head (m), and discharge coefficient. Step 1: Enter Parameters Orifice Diameter, \( D \) (m): […]
Read MorePipe Outlet Control Discharge Calculator Pipe Outlet Control Discharge Calculator Calculate the discharge through a pipe outlet using the equation: \[ Q = C_d \, A \, \sqrt{2\,g\,H} \] with \( A = \frac{\pi D^2}{4} \). * Enter the outlet diameter (m), head (m), and discharge coefficient. Step 1: Enter Parameters Outlet Diameter, \( D […]
Read MoreStandard Surface Factor Calculator Standard Surface Factor Calculator Estimate the standard surface factor \(m_0\) for a conductor using: \[ m_0 = 0.95 + 0.05 \times \left(\frac{\text{Quality (\%)}}{100}\right) \] * Enter the surface quality rating (0–100%). A rating of 100% indicates a perfectly smooth surface. Step 1: Enter Surface Quality Rating Surface Quality Rating (%) Example: […]
Read MoreStorage Capacity for Cylindrical Tank Calculator Storage Capacity for Cylindrical Tank Calculator Calculate the volume of a cylindrical tank using: \[ V = \pi r^2 h \] where \(r\) is the radius (m) and \(h\) is the height (m). * Enter the tank’s radius and height. Step 1: Enter Tank Dimensions Tank Radius, \( r […]
Read MoreRectangular Tank Storage Capacity Calculator Rectangular Tank Storage Capacity Calculator Calculate the volume (storage capacity) of a rectangular tank using: \[ V = L \times W \times H \] * Enter the tank’s length, width, and height (in meters). Step 1: Enter Tank Dimensions Length, \( L \) (m): Example: 5 m Width, \( W […]
Read MoreEstimate Pond Discharge Calculator Estimate Pond Discharge Calculator Estimate the pond discharge (Q) using the weir formula: \[ Q = \frac{2}{3} \, C_d \, L \, \sqrt{2g} \, H^{3/2} \] * Enter the discharge coefficient (dimensionless), weir length (m), and head (m). Step 1: Enter Weir Parameters Discharge Coefficient, \( C_d \): Typical value: 0.6 […]
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