kilograms kg are a metric / si unit used for measuring weight
kilogram is measure_of_weight. weight_unit is unit_of_measurement. kiloliter is metric_capacity_unit. meter_kilogram_second is metric_system. metric_weight_unit is mass_unit. euclidean_metric is metric. metric_weight_unit is metric_unit. kilogram is metric_weight_unit. kilogram is metric_unit_of_measurement. kilogram_meter is work_unit.