Mithila Muthamma PA
Coorg Institute of Technology (CIT), Coorg
Mithila Muthamma PA has created this Calculator and 500+ more calculators!
Chandana P Dev
NSS College of Engineering (NSSCE), Palakkad
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11 Other formulas that you can solve using the same Inputs

Mean Annual Flood proposed by Natural Environment Research Council
Mean Annual Flood=Constant number depending on Location*Catchment Area^0.94*Stream Frequency^0.27*Slope of Catchment^0.16*Soil Type Index^1.23*First day Rainfall^1.03*(1+Area of Lakes or Reservoirs)^-0.85 GO
Fuller's formula for Maximum Flood Discharge
Peak Discharge=Coefficient*Catchment Area^0.8*(1+0.8*log10(Return Period)) GO
Rational Method of Peak Discharge
Peak Discharge=Coefficient of Runoff*Intensity of Rainfall*Catchment Area GO
Peak Value of the Runoff
peak runoff=Coefficient of Runoff*Catchment Area*Intensity of Rainfall GO
Inglis Formula for areas between 160 to 1000 km^2
Peak Discharge=123.2*sqrt(Catchment Area-2.62*(Catchment Area-259)) GO
Inglis Formula for Larger Areas
Peak Discharge=123.2*Catchment Area/sqrt(Catchment Area+10.36) GO
Baird and Mcillwraith Formula for maximum flood discharge
Peak Discharge=3025*Catchment Area/(278+Catchment Area)^0.78 GO
Dredge or Burge formula
Peak Discharge=19.6*Catchment Area/(Length of Basin)^2/3 GO
Ryves Formula
Peak Discharge=Ryves Coefficient*Catchment Area^2/3 GO
Dicken's Formula
Peak Discharge=Dickens Constant*Catchment Area^3/4 GO
Jarvis formula for Peak Discharge
Peak Discharge=Coefficient*sqrt(Catchment Area) GO

11 Other formulas that calculate the same Output

Peak Discharge equation based on field application
Peak Discharge=(1/3.6)*Coefficient of Runoff*(Mean Intensity of Precipitation)*Drainage Area GO
Fuller's formula for Maximum Flood Discharge
Peak Discharge=Coefficient*Catchment Area^0.8*(1+0.8*log10(Return Period)) GO
Rational Method of Peak Discharge
Peak Discharge=Coefficient of Runoff*Intensity of Rainfall*Catchment Area GO
Inglis Formula for areas between 160 to 1000 km^2
Peak Discharge=123.2*sqrt(Catchment Area-2.62*(Catchment Area-259)) GO
Inglis Formula for Larger Areas
Peak Discharge=123.2*Catchment Area/sqrt(Catchment Area+10.36) GO
Baird and Mcillwraith Formula for maximum flood discharge
Peak Discharge=3025*Catchment Area/(278+Catchment Area)^0.78 GO
Dredge or Burge formula
Peak Discharge=19.6*Catchment Area/(Length of Basin)^2/3 GO
Ryves Formula
Peak Discharge=Ryves Coefficient*Catchment Area^2/3 GO
Dicken's Formula
Peak Discharge=Dickens Constant*Catchment Area^3/4 GO
Peak Discharge in Circular Settling Tanks
Peak Discharge=Average daily load*Peaking factor GO
Jarvis formula for Peak Discharge
Peak Discharge=Coefficient*sqrt(Catchment Area) GO

Inglis Formula for Small Areas Formula

Peak Discharge=123.2*sqrt(Catchment Area)
Q<sub>p</sub>=123.2*sqrt(A)
More formulas
Mean Annual Flood proposed by Natural Environment Research Council GO
Peak Value of the Runoff GO
Peak Discharge equation based on field application GO
Drainage Area when Peak Discharge given in Field Application GO
Kirpich Equation GO
Dicken's Formula GO
Catchment Area when maximum Flood Discharge is known in Dickens Formula GO
Ryves Formula GO
Catchment Area when maximum Flood Discharge is known in Ryve’s formula GO
Inglis Formula for areas between 160 to 1000 km^2 GO
Fuller's formula for Maximum Flood Discharge GO
Inglis Formula for Larger Areas GO
Rational Method of Peak Discharge GO
Baird and Mcillwraith Formula for maximum flood discharge GO
Jarvis formula for Peak Discharge GO

What is Catchment Area?

A catchment area is a hydrological unit. Each drop of precipitation that falls into a catchment area eventually ends up in the same river going to the sea if it doesn't evaporate.

How to Calculate Inglis Formula for Small Areas?

Inglis Formula for Small Areas calculator uses Peak Discharge=123.2*sqrt(Catchment Area) to calculate the Peak Discharge, Inglis Formula for Small Areas defined by the parameters of discharge and catchment area to calculate the maximum flood discharge for small areas only (It is also applicable for fan shaped catchment). Peak Discharge and is denoted by Qp symbol.

How to calculate Inglis Formula for Small Areas using this online calculator? To use this online calculator for Inglis Formula for Small Areas, enter Catchment Area (A) and hit the calculate button. Here is how the Inglis Formula for Small Areas calculation can be explained with given input values -> 577.8592 = 123.2*sqrt(22).

FAQ

What is Inglis Formula for Small Areas?
Inglis Formula for Small Areas defined by the parameters of discharge and catchment area to calculate the maximum flood discharge for small areas only (It is also applicable for fan shaped catchment) and is represented as Qp=123.2*sqrt(A) or Peak Discharge=123.2*sqrt(Catchment Area). Catchment Area is an area of land where all water flows to a single stream, river, lake or even ocean.
How to calculate Inglis Formula for Small Areas?
Inglis Formula for Small Areas defined by the parameters of discharge and catchment area to calculate the maximum flood discharge for small areas only (It is also applicable for fan shaped catchment) is calculated using Peak Discharge=123.2*sqrt(Catchment Area). To calculate Inglis Formula for Small Areas, you need Catchment Area (A). With our tool, you need to enter the respective value for Catchment Area and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Peak Discharge?
In this formula, Peak Discharge uses Catchment Area. We can use 11 other way(s) to calculate the same, which is/are as follows -
  • Peak Discharge=19.6*Catchment Area/(Length of Basin)^2/3
  • Peak Discharge=(1/3.6)*Coefficient of Runoff*(Mean Intensity of Precipitation)*Drainage Area
  • Peak Discharge=Dickens Constant*Catchment Area^3/4
  • Peak Discharge=Ryves Coefficient*Catchment Area^2/3
  • Peak Discharge=123.2*sqrt(Catchment Area-2.62*(Catchment Area-259))
  • Peak Discharge=Coefficient*Catchment Area^0.8*(1+0.8*log10(Return Period))
  • Peak Discharge=123.2*Catchment Area/sqrt(Catchment Area+10.36)
  • Peak Discharge=Coefficient of Runoff*Intensity of Rainfall*Catchment Area
  • Peak Discharge=3025*Catchment Area/(278+Catchment Area)^0.78
  • Peak Discharge=Coefficient*sqrt(Catchment Area)
  • Peak Discharge=Average daily load*Peaking factor
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