KOH etch calculator

Saturated IPA solution?

KOH concentration: 20% 25% 30% 35% 40% 45% 50% 55% 60%
Etch temperature: 20 °C 25 °C 30 °C 35 °C 40 °C 45 °C 50 °C 55 °C 60 °C 65 °C 70 °C 75 °C 80 °C 85 °C 90 °C 95 °C 100 °C

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Etch rates are determined by fitting data provided by the BYU Integrated Microfabrication Lab. The method of data conversion and fitting can be found in the Github repository.

KOH dilution calculator

KOH concentration: 20 wt. % 25 wt. % 30 wt. % 35 wt. % 40 wt. % 45 wt. %
Final volume (mL):

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Specific gravities used in dilution calculation are from:

Green, Don W., and Robert H. Perry. Perry's Chemical Engineers' Handbook (8th Edition), McGraw-Hill Professional Publishing, 2007. ProQuest Ebook Central.