Tools

Quality engineering tools and calculators

Browser based calculators for everyday quality, inspection and project work. No data leaves your device.

01Calculators and generators

Each tool documents its formulas and assumptions. Results are educational and should be verified against the governing standard or specification.

Process capability from mean and sigma, or Pp and Ppk directly from pasted measurements, with expected ppm.

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Sample size code letter, sample size and accept and reject numbers per ISO 2859-1, normal single sampling.

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Defective ppm, percentage defective, DPU, DPMO, first pass yield and sigma level from inspection results.

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Severity, occurrence and detection ratings to RPN, with a ranking table and severity priority.

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Limits, tolerance band and deviation for any toleranced dimension, with pass or fail per measured value.

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Length, pressure, stress, force, torque, mass and temperature conversions for inspection reports.

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Wet film thickness needed for a target DFT, expected DFT from WFT, and spreading rates.

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Paste categories and counts to generate an interactive Pareto chart with cumulative percentage.

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Prevention, appraisal, internal and external failure costs as totals, shares and ratio to revenue.

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Weighted milestone progress versus plan, with variance and progress index for expediting reports.

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