How Long Does It Take to Boil Water?

Useful information regarding this question and its nuances

kettle boils

We boil water every day and even several times a day. And we are so used to this simple process that hardly ever wonder about the water boiling time. 

However, this information may be useful, for example, when cooking and in many other situations.

How long does it take for water to boil? 

In this article, we have tried to collect as much information as possible regarding this question and its nuances.

Let’s figure it out!


Everything You Ever Wanted to Know About Boiling Water Time

First of all, why could it be so essential to know how much time it takes for water to boil? Of course, the most obvious and, probably, the widespread answer would be “to know when I shall load the casserole with the vegetables/eggs/meat to boil”. 

But that is the typical reason for the housewives and, perhaps, cooks who need to know precisely when to start preparing the food without overcooking it.

Nevertheless, being aware of the time you need to boil water can be, no more no less, life-saving. For example, if you are traveling somewhere in the wild nature, you will need to ensure that the water from the stream, for example, is good enough to drink. To become safe, it must be boiled and – what is even more important – you must know exactly how long it must be boiled before it can be drunk safely.

Boiling Water Time
Photo by Soroush Karimi on Unsplash

So, to give at least some common idea about boiling water specifics, we would advise learning the following tips.

How long do you boil water?

It depends on whether you are using tap or filtered water. In the first case, it is harsher and it has more impurities, in the second case, it is softer.

Because of this, filtered water takes less time to bring it to seethe

So, to make tap water safe to drink, keep it seething for two minutes after it was brought to a boil. It will destroy the germs and make the water softer.

Also, take into account the volume of the pot you are using as large pots take more time to seethe than the small ones.

How long will it take until the water boils?

First of all, everything depends on the size and volume of your pot or the tank you are using for this purpose.

Also, the thing that matters is how big the fire is that you are using.

In addition, the type of water you are boiling also matters because tap water will take more time to boil it compared to the filtered water, for example.

time it takes for water to boil
Photo by Joe Pregadio on Unsplash

Anyway, the average time that passes until water starts boiling is usually ten minutes.

  • Why does water take so long to boil?

You have probably noticed many times that it takes pretty long to seethe a kettle or a casserole to make yourself some tea or cook spaghetti!

Why is it like that?
Well, as you probably know from the school lessons of physics, water is a pretty bad conductor of heat because it gets warm too slow. In addition, the structure of water is very fluid and its molecules are always on the move. That is why it takes more time to heat up water than, for example, the air.

On the other hand, water keeps heat longer that is why, once boiled, it can stay hot for quite a long period of time.  

How long do you boil water
Photo by Tengyart on Unsplash


  • How long do you have to boil water?

Giving water enough time to boil after it started rolling allows destroying the harmful germs and impurities it may have which makes it safer for drinking.

Depending on whether you are boiling tap water or filtered water, the boiling time may vary. For tap water, two or three minutes of boiling is usually required, whilst filtered water is enough to boil for one minute.

And remember that boiling time means the time the water keeps rolling after it was set to boil.

Boiling Water. FAQ

How long will it take until the water boils
Photo by Harry Cunningham on Unsplash

Boiling some water may seem to be not a big deal, however, when it comes to doing this, people often face different and unexpected difficulties and questions.

To ease your life, we collected the most frequent of them.

  • How long does it take to boil water on a stove?

The boiling time depends on how strongly you heat the water. Also, the size of the tank matters.

If you heat it up using a medium fire/power in one-liter pot or casserole, then it may take approximately ten to fifteen minutes for the water to boil.

  • How long does it take to boil a gallon of water?

If you are boiling water on a regular stove in a tank that conducts heat well, then it will take you approximately one hour to boil one gallon of water (if the water was cold when you started to boil it).

Of course, if the initial conditions were different (for example, weak fire or worse conductive abilities of the tank), then the process of boiling may take more time.

Why does water take so long to boil
Photo by Mor Shani on Unsplash


What is the average time to boil water?

Normally, if you are boiling it on a regular stove in a one-liter pot that has the good heat-conductive ability, it takes something like fifteen minutes.

  • How long does it take to boil six cups of water?

One 200 ml cup takes something like two minutes to boil which means that six 200 ml cups will take twelve minutes to boil this amount of liquid.

  • How long does it take to boil four cups of water?

Again, if we are talking about 200 ml cup size, then four cups will require about 8-10 minutes.

How long do you have to boil water
Photo by Soo Chung on Unsplash


  • How long does it take to boil four quarts of water?

Since it requires three minutes to seethe eight ounces of water in a 1000 watt microwave, then four quarts will require something like fifty minutes to get boiled respectively.

  • How long does it take a pot of water to boil?

A one-liter pot that has a good heat-conducting ability can be boiled in fifteen minutes on the maximum fire.

  • How long does it take for water to boil in a microwave?

Everything depends on how much water you need to seethe and how powerful the microwave is.

For example, a glass of water takes from two to three minutes to seethe in a 600-700 watt microwave.

Sharing is caring!

Watch Next
How to Boil Water