Created By : Rina Nayak

Reviewed By : Rajashekhar Valipishetty

Last Updated : May 16, 2023

Want to calculate how much bleach solution should mix with water to disinfect or sanitize or for laundry? Immediately take the help of this bleach dilution calculator and give the inputs required . Just press the calculate button and within few seconds you will know exact bleach disinfectant dilution.

Bleach concentration
Desired Chlorine Concentration
Desired Chlorine Volume
Required bleach volume

Bleach and Water Ratio Calculation Formulas

The formuals that are used to calculate bleach and water ratio is expressed as

Amount of bleach required = Desired concentration of mixture * Desired volume of mixture


Volume of bleach required = (Bleach amount needed * 0.00105) * (100/ Bleach concentration)

How to Calculate Bleach Dilution?

Before calculating the bleach diution, firstly, learn how to dilute bleach. Below we have discussed the methods used to dilute the bleach. Just look at the ways and perfom the beleach dilution perfectly for strong disinfection and sanitizing.

You need to understand that mixing the bleach solution for general surface cleaning and sanitizing food-related items must have different ratios. Check where you have to dilute bleach here:

  • Use Bleach as a Disinfectant
  • Sanitizing Food-Related Items
  • Using Bleach in Laundry

Now, learn the ratios for mixing the bleach and water. When you use bleach as a disinfectant then add bleach and water in 1:32 ratio. For sanitizing food related items, mix 1.8ml bleach into 3.8 liters of water. For laundry, add one teaspoon of bleach into 1/4 cup of water.

Remember all these bleach dilution ratios and safely calculate the bleach solutions while using for disunfectant, or food items or laundry

Bleach Dilution Chart

The ratios & examples of mixing bleach solution for the disinfecting items are discussed deeply in this bleach dilution chart. Look at the chart below:

bleach dilution chart image

FAQs on Bleach Disinfectant Dilution Calculator

1. What is the dilution ratio for bleach to water?

The directions to follow while mixing up bleach solution with water is take five tablespoons (1/3 cup) of bleach per gallon of water at room temperature. Else, mix 4 teaspoons of bleach per quart into room temperature water.

2. How much bleach to 1 liter of water for disinfecting?

For emergency disinfection of drinking water, the amount of 6% & 8.25% bleach to take in 1 liter of water is 2 drops.

3. How long does bleach take to disinfect?

The standard time to use for disinfecting the germs with bleach solution is 10 minutes. Let the bleach disinfect solution air dry for 10 min and then wipe it off with safety precautions.