Fitting Pressure Drop Calculator Estimate pressure loss from valves, elbows, tees, and other fittings using the minor loss method: ΔP = K × (ρ × v² / 2). Fluid density (kg/m³) Flow rate Flow unit m³/hL/sm³/sUS gpm Pipe inner diameter…
SAS Mean Calculator Calculate the Mean of a Column in SAS Paste numeric values from a SAS column, choose how to handle missing values, and instantly get the mean, summary statistics, SAS code examples, and a visualization. Column Values Tip:…
Fisher Control Valve Pressure Drop Calculator Quickly estimate required valve pressure drop, choked-flow margin, and expected outlet pressure using standard liquid Cv relationships used in control valve sizing practice. Flow Rate, Q (gpm) US gallons per minute through the valve.…
Firefighting Pump Operating Pressure Calculator Estimate required pump discharge pressure using nozzle pressure, friction loss, elevation pressure, appliance loss, and safety margin. Nozzle Type Preset Fog Nozzle Handline (100 psi NP)Smooth Bore Handline (50 psi NP)Master Stream Nozzle (80 psi…
Fire Sprinkler Pressure Loss Calculator Estimate friction pressure loss, elevation impact, and total required pressure with a Hazen-Williams based method. Flow Rate (GPM) Pipe Internal Diameter (inches) Pipe Material (sets default C-factor) Schedule Steel (C=120)Aged Steel (C=100)CPVC (C=140)Copper/New Plastic (C=150)…
Fire Sprinkler Pressure Calculation Estimate required base-of-riser pressure using design density, sprinkler K-factor, elevation head, and Hazen-Williams friction loss. Hazard Classification Light Hazard (0.10 gpm/ft²)Ordinary Hazard Group 1 (0.15 gpm/ft²)Ordinary Hazard Group 2 (0.20 gpm/ft²)Extra Hazard Group 1 (0.30 gpm/ft²)Extra…
R Mean Calculator Calculate the Mean of a Column in R Enter numeric values from a column, choose how missing values should be handled, and instantly generate the average, supporting stats, R code, and a visualization. Column values Separate values…
Fire Pump Pressure Vessel Calculator Estimate required pressure vessel volume for jockey pump anti-cycling performance using pressure setpoints, precharge, and desired runtime. Jockey Pump Flow Rate Flow Unit gpmL/min Minimum Desired Pump Runtime (minutes) Sizing Safety Factor (%) Cut-In Pressure…
Fire Pump Pressure Calculation Calculator Estimate required pump discharge pressure using flow, hose friction, elevation, appliance loss, and safety margin. Flow Rate (GPM) Hose Length (ft) Hose Diameter 1.5 inch (C=24)1.75 inch (C=15.5)2.5 inch (C=2)3 inch (C=0.8)4 inch (C=0.2)5 inch…
Fire Protection Hydraulic Calculator: Equivalent Length Table Pressure Drop Estimate friction loss and total pressure drop using the equivalent length method and Hazen-Williams hydraulics for sprinkler piping. Pipe Material Black Steel (C=120)Ductile Iron / Cement Lined (C=130)Copper (C=140)CPVC / New…