Standardize unit to km²

Standardize number to km².

Usage

as_km2(x, unit)

Arguments

x

numeric vector.

unit

character vector of spatial units (e.g., "km2", "acres", "hectares". For convenience, a single character value can be specified if all values in x are the same unit.

Value

A numeric vector.

Examples

as_km2(5, "km2")
#> [1] 5
as_km2(5, "acres")
#> [1] 0.02023436
as_km2(c(5, 10), "ha")
#> [1] 0.05 0.10
as_km2(c(5, 10), c("ha", "acres"))
#> [1] 0.05000000 0.04046873