Total inventories of merchant wholesalers, except manufacturers' sales branches and offices, after adjustment for seasonal variations but not for price changes, were $627.4 billion at the end of March, up 0.3 percent from the revised February level. Total inventories were up 5.5 percent from the revised March 2017 level. The February 2018 to March 2018 percent change was revised from the advance estimate of up 0.5 percent to up 0.3 percent (±0.2 percent).

The March inventories/sales ratio for merchant wholesalers, except manufacturers' sales branches and offices, based on seasonally adjusted data, was 1.26. The March 2017 ratio was 1.28.