Quick Answer: How much water do I add to 70 isopropyl alcohol?

Can you dilute 70 isopropyl alcohol with water?

While it is generally okay to use it at the 70/30 ratio, many detailers prefer to dilute it down to a 50/50 (Alcohol to Distilled Water) ratio for optimal results.

How much water do you mix with 70 alcohol?

70ml 99.8% IPA + 30ml Distilled Water = 100ml 70% IPA

You can use your phone’s calculator to calculate this for you, and you can also replace the 100ml with any desired volume.

How much water do I mix with isopropyl alcohol?

Mix 2 parts rubbing alcohol to 1 part water in a spray bottle, and use it to disinfect points of contact and other germy areas. You can even use it directly on a cotton pad to clean your earring posts, thermometers, and any other personal items.

How do you make a 90 alcohol out of 70% alcohol?

1/5 of 15 ounces is 3 ounces. Thus, 3 ounces of water added to 15 ounces of 90% rubbing alcohol will create a solution of 70% rubbing alcohol.

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Can you dilute isopropyl alcohol with tap water?

Tap water will be fine. The alcohol you’re diluting will disinfect it. If you want to be ultra-sure, then use distilled.

How do you dilute isopropyl alcohol with water?

Dilute by adding 1 part water to 2 parts of this 99% Isopropyl Alcohol.

How do you make a 70 isopropyl alcohol solution?


  1. Steven Gough Jul 16, 2020.
  2. To quote: “99% x V1 = 70% x 50mL = 35.35mL. Thus, adding 35.35mL of distilled water to 14.65mL of 99% IPA creates a 50mL solution of 70% IPA. ” …
  3. Lacey Jul 16, 2020. Thank you so much for this. Very timely, important information. Thank you for breaking it down!

Can alcohol be diluted with water?

If a person is drunk and wants to sober up, they may consume food if they can keep it down, and they should drink water. Water helps to dilute the alcohol in the body while food helps to slow down the body’s alcohol absorption.

Does diluting alcohol with water make it weaker?

The addition of water does not dilute the alcohol strength, instead, it simply distributes it in a larger volume.

How much do you dilute alcohol?

That means that for every 65 parts of stronger alcohol, we’ll need to add 30 parts of weaker alcohol/water. That’s that – we got it!

How do you make disinfectant spray with alcohol?


  1. 12 ounces alcohol (95%) (preferably ethanol but can use other alcohol)
  2. 3 ½ ounces distilled water.
  3. ½ teaspoon hydrogen peroxide.
  4. 30-45 drops essential oil as desired (optional. For scent and antiviral and cleaning properties)
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How do you dilute alcohol concentration?

To calculate the amount of water to add to dilute your alcoholic concentration, multiply the amount of spirits you have by (strong/weak) – 1. For example, if you want to dilute 5L of 80% alcohol down to 50%, you will need to add 5 – ( ( 50 x 5 ) / 80 ) = 1.875L of water is required.

How do you mix 70 ethanol?

For example, to make 70% ethanol from 95% ethanol, take 70 mL of 95% ethanol and add enough water to bring the volume to 95 mL. You will then have 95 mL of 70% ethanol. This works for any dilution and all that is required is a large enough graduated cylinder.