Quality and production
DPMO
Calculates defects per million opportunities from defects, units, and opportunities per unit.
Related calculators
PPM defects
Calculates defects per million units as an auxiliary quality metric.
c-chart control limits
Calculates basic c-chart limits for an average count of nonconformities.
Xbar control limits
Calculates the existing sigma-based Xbar limits and Xbar-R chart limits from the grand mean and average range.
np-chart control limits
Calculates basic np-chart limits from pBar and sample size without automatic process assessment.
p-chart control limits
Calculates basic p-chart limits from pBar and sample size without creating an SPC chart.
u-chart control limits
Calculates basic u-chart limits from uBar and sample size.