#' Unit Conversion - Area - Acre to Square Yard
#'
#' Performs a conversion of areas from acres to square yards. Note, per NIST standard, this is a "survey foot"
#' instead of an "international foot" as is commonly used. In 2022, this will likely become the "international foot."
#' For most purposes, either survey feet or international feet may be used, but very large areas being calculated will have
#' an error of roughly a quarter sheet of paper (A4 or letter) per acre (2/1 000 000 difference between survey feet
#' and international feet).
#'
#' @param x Vector - Values in units of acres
#'
#' @return x, but converted to square yards
#'
#' @references
#' NIST. Handbook 133 - Checking the Net Contents of Packaged Goods - Appendix E - General Tables of Units of Measurement. 2020.
#' https://www.nist.gov/system/files/documents/2019/12/03/00-20-h133-apdxE_final-17.pdf
unitconversion.acre.to.square.yard <- function(
x = 1
) {
x * 4840
}
#' @rdname unitconversion.acre.to.square.yard
unitconversion.ac.to.sq.yd <- unitconversion.acre.to.square.yard
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