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About
Grant Tech
Our Approach
Home
What we do
Treatment improvements
Cost savings
Sustainable treatment
Training
Technical Support
Resources
Wastewater Library
Calculators
About
Grant Tech
Our Approach
Calculators
Simplify the basic wastewater equations with our calculators: a handy tool for everyday operations.
Units preference:
english
metric
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 Influent
lbs/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 orifice
Continuity 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
Volume (gals)
Flow MGD
Detention Time (hrs)
