I did this recently. Here's my DAX (as a Measure): RevenueLabel = VAR Rev = SUM('All Sales'[Revenue]) RETURN IF(Rev >= 1000000000, FORMAT(Rev / 1000000000, "0.0") & "bn", FORMAT(Rev / 1000000, "0") & "m" )
Added New Measure; Included an IF() as I was using both "bn" and "m"