Breadcrumb Home > Conversion Calculator Conversion Calculator WEIGHT/MASS — COMMON UNITS Enter quantity: Convert from: ounce (avdp.)pound (avdp.)ton (short)gramkilogramstone Convert to: ounce (avdp.)pound (avdp.)ton (short)gramkilogramstone Check here to display additional information concerning rounding and significant digits. More weight/mass — conversions: common units| metric units | all units | CONVERT OTHER UNITS • Length/Distance • Area • Volume • Weight/Mass • Temperature • Cooking • Time • All Unit Options Conversion engine, copyright © 1996, 1997, 1998 Free Software Foundation, Inc avdp. = avoirdupois weight, the system of weights in British and U.S. used for goods other than gems, precious metals, and drugs Related Links Common Weights and Measures Conversions and Equivalents Common Formulas Weight Atomic Weight Volume Mass TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖