PO.IPR.Re
Description
Calculates effective drainage radius, [ft].
Syntax
=PO.IPR.Re(A)Parameters
| Parameter | Description |
|---|---|
| A | Drainage area, [acres]. |
SI Unit Version
Lambda Name
PO.IPR.Re.SIFormula
=LAMBDA(A, LET(
A_acre, PO.UnitConverter(A, "m2", "acre"),
result_ft, PO.IPR.Re(A_acre),
PO.UnitConverter(result_ft, "ft", "m")))SI Parameters
| Parameter | Unit | Description |
|---|---|---|
A |
m2 | Drainage area, [m2] |
How to save as a reusable Excel function
LAMBDA is a built-in Excel feature (Microsoft 365) that lets you create custom functions without VBA. The formula above works as-is when pasted into a cell.
To save a LAMBDA as a reusable named function:
- Go to Formulas → Name Manager → New
- Enter a name, e.g.
PO.IPR.Re.SI - In Refers to, paste the LAMBDA formula without the trailing invocation
(...) - Click OK
Now use =PO.IPR.Re.SI(...) anywhere in your workbook.