A combination weighing device (1, 100) comprising: a dispersion feeder (DF, 2) disposed in an upper portion, the dispersion feeder (DF, 2) configured to convey and disperse supplied articles; a plurality of radial feeders (RF, 3) arranged radially on the periphery of the dispersion feeder (DF, 2), the radial feeders (RF, 3) configured to convey the articles discharged from the dispersion feeder (DF, 2); a plurality of weighing hoppers (WH, 5) configured to receive the articles discharged from the radial feeders (RF, 3), a setting unit (RU, 110) configured to set a combination target weight; a dispersion control system configured to adjust a driving parameter for the dispersion feeder (DF, 2) so that a discharge amount on each discharge from the dispersion feeder (DF, 2) to the radial feeders (RF, 3) coincides with the combination target weight; and a radial control system configured to adjust a drive parameter for each of the radial feeders (RF, 3) so that a discharge amount on each discharge from a plurality of the radial feeders (RF, 3) selected in a combination coincides with the combination target weight, - wherein the combination weighing device (1, 100) is configured to perform a combination weighing based on weight of the articles in the weighing hoppers (WH, 5), and to perform operational settings automatically, characterized in that the drive parameter for the dispersion feeder (DF, 2) and the drive parameter for the radial feeders (RF, 3) are calculated based on layer thickness parameters related to respective layer thicknesses of the articles on the dispersion feeder (DF, 2) and the articles on the radial feeders (RF, 3) that are specified by designating whether a layer thickness of the articles is large or small when the discharge amounts respectively discharged from both of the control systems at each discharge are balanced, and speed parameters respectively for the dispersion feeder (DF, 2) and the radial feeders (RF, 3) that are specified by designating whether the articles are easy to convey or difficult to convey, and each of the calculated drive parameters is respectively set as an initial value for the corresponding control system. a dispersion feeder (DF, 2) disposed in an upper portion, the dispersion feeder (DF, 2) configured to convey and disperse supplied articles; a plurality of radial feeders (RF, 3) arranged radially on the periphery of the dispersion feeder (DF, 2), the radial feeders (RF, 3) configured to convey the articles discharged from the dispersion feeder (DF, 2); a plurality of weighing hoppers (WH, 5) configured to receive the articles discharged from the radial feeders (RF, 3), a setting unit (RU, 110) configured to set a combination target weight; a dispersion control system configured to adjust a driving parameter for the dispersion feeder (DF, 2) so that a discharge amount on each discharge from the dispersion feeder (DF, 2) to the radial feeders (RF, 3) coincides with the combination target weight; and a radial control system configured to adjust a drive parameter for each of the radial feeders (RF, 3) so that a discharge amount on each discharge from a plurality of the radial feeders (RF, 3) selected in a combination coincides with the combination target weight, -