EXHIBIT 11.1 Asahi/America, Inc. Computation of Weighted Average Number of Common and Common Equivalent Shares Outstanding For the three months ended, --------------------------- 1996 1997 ---- ---- Weighted average common shares outstanding 2,856,484 3,340,000 Common equivalent shares 24,903 0 ----------- --------- Weighted average number of common and common equivalent shares outstanding 2,881,387 3,340,000 ========= ========= For the six months ended, ------------------------- 1996 1997 ---- ---- Weighted average common shares outstanding 2,598,242 3,340,000 Common equivalent shares 12,452 281 ----------- --------- Weighted average number of common and common equivalent shares outstanding 2,610,694 3,340,281 ========= =========