Simplify the basic wastewater equations with our calculators: a handy tool for everyday operations. Units preference: englishmetric Chemical Conversions Biology Loading Area & Volume Flow Chemical Cost per gallon Chemical Feed rate gals/day Cost per day Cost per week Cost per month Cost per year Degrees F to C: Fahrenheit Celsius Degrees C to F: Celsius Fahrenheit Feet to... Feet Centimeters Meters Inches Yards Pounds to... Pounds Ounce Grams Gallons Gallons to... Gallons Ounce Cups Quarts Liters Pounds Food/Microorganism Ratio Flow (MGD) BOD (mg/L) MLVSS (lbs) F/M Biochemical Oxygen Demand Initial D.O (mg/L) Final D.O (mg/L) Sample Volume (mL) Final Diluted Volume (mL) BOD Detention Time Volume (gals) Flow MGD Detention Time (hrs) Sludge Volume/Density Index 30 Min Settleometer MLSS SVI SDI Oxygen Uptake Rate Oxygen usage (mg/L) Time (minutes) OUR Specific Oxygen Uptake Rate/Respiration Rate MLVSS OUR SOUR Mean Cell Residence Time/Solids Retention Time Aeration Tank TSS (lbs) Clarifier TSS (lbs) TSS Wasted (lbs/day) Effluent TSS (lbs/day) MCRT Average daily flow (MGD) Influent (mg/L)Effluent (mg/L) BOD TSS Ammonia Nitrite Nitrate TKN Total-N Phosphorus lbs/Day Influentlbs/Day Effluent BOD TSS Ammonia Nitrite Nitrate TKN Total-N Phosphorus BOD % removal TSS % removal Organic Loading Rate: lbs/BOD/day/1000 cu ft Flow Plant Flow (MGD) GPM CFS Rectangular Tank Volume Length (ft) Width (ft) Depth of Water(ft) Number of Tanks Surface Area (sqft) Volume(Cuft) Volume (gal) Circular Tank Volume Diameter (ft) Depth of Water(ft) Number of Tanks Surface Area (sqft) Volume(Cuft) Volume (gal) Conical Tank Volume Diameter (ft) Height of cylinder wall(ft) Vertical Height of Cone Number of Tanks Volume of cylinder (gals) Volume of cone (gals) Conical Tank volume (gal) Discharge through open orificeContinuity Equation: Flow=Area x Velocity; Q=A*V Height of water column (ft) Pipe diameter (inches) Discharge Velocity (ft/s) Pipe Diameter (ft) Crossectional area of pipe (sqft) cuft/s GPM GPD Flow rates MGD GPD GPM Cubic ft/second Detention Time Volume (gals) Flow MGD Detention Time (hrs)
