Free Business Calculators

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OEE Calculator (Manufacturing / Dyeing)

A=(PPT−DT)/PPT; P=(Ideal*Total)/Run Time; Q=Good/Total; OEE=A×P×Q.

IoT / Automation ROI & Payback

Payback = Cost / (Savings − Recurring). Annual ROI = (Net Monthly × 12) / Cost × 100.

Hotel Energy Savings Estimator

Assumes savings apply on occupied rooms using energy-saver switches/occupancy sensors.
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