Apr 30, 2020

Chlorine Solution Calculator for Surface and Hand Disinfection

This spreadsheet is a calculator to prepare chlorine solutions using different product concentrations with Sodium Hypochlorite (bleach) or Calcium Hypochlorite (powder or granular chlorine) for surface and hand disinfection. There are other documents including one on how to use Sodium Hypochlorite (bleach) or Calcium Hypochlorite (powder or granular chlorine). This document was prepared in response to the COVID-19 pandemic.

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  • Format:

    Microsoft Excel Spreadsheet


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CAWST is a Canadian charity and licensed engineering firm. We address the global need for safe drinking water and sanitation by building local knowledge and skills on household solutions people can implement themselves.

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Development of this website and creation of collections of emergency themed tools on Water Treatment, Water Quality Testing, Behavior Change and Sanitation funded by Bureau of Humanitarian Assistance - USAID.

This project is made possible by the generous support of the American people through the United States Agency for International Development (USAID). The contents are the responsibility of CAWST (Centre for Affordable Water and Sanitation Technology) and do not necessarily reflect the views of USAID or the United States Government.

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