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Rain to Snow Calculator

Easily convert rain to snow with our rain to snow calculator. Learn how much snow equals one inch of rain, simple formulas, and quick answers.

Have you ever stared out the window on a rainy day and thought, “If this was snow, how deep would it be?” You’re not alone. That’s why we built our rain to snow calculator. It’s simple, fast, and fun to use. Whether you’re curious about winter weather, doing a school project, or just daydreaming about a white Christmas, this tool gives you the answer in seconds.

How does rain turn into snow?

Rain and snow are both forms of precipitation. But the way they fall depends on temperature. If the air is warm, water stays liquid and falls as rain. If the air is cold enough, water freezes into snowflakes before reaching the ground.

On average, weather experts say that 1 inch of rain equals 10 inches of snow. But that’s just the starting point. The true number changes with temperature and the type of snow. Fluffy snow can pile up to 20 or even 50 inches from the same amount of rain, while heavy, wet snow might only reach 8 inches.

The rain to snow formula

The formula is easy to remember:

Snow = Rain × SC

Here, SC is the “snow coefficient.” This number changes with the air temperature. For example:

  • At 32°F (0°C), 1 inch of rain gives about 10 inches of snow.
  • At 20°F (−6°C), the ratio is closer to 1:15.
  • At 0°F (−18°C), the snow is light and fluffy, so 1 inch of rain can equal 40 inches of snow.

So, the colder it gets, the deeper the snow.

How to use the rain to snow calculator

  1. Enter the amount of rain or snow.
  2. Choose your temperature in Fahrenheit or Celsius.
  3. Pick the unit you want for the result.
  4. Click calculate.

The tool shows you the step-by-step math so you can follow along. Let’s look at an example:

If you want to know how much snow comes from 3 inches of rain at 10°F, the coefficient is 30. Multiply 3 × 30 = 90. That means 3 inches of rain turns into 90 inches of snow.

Final Verdict

Our rain to snow converter makes it simple to see how rain compares to snow. You don’t need to guess or look at long tables. Just type your numbers and get the answer. Next time you watch raindrops hit your window, you’ll know exactly how much snow you’re missing out on.

Whether it’s for fun, study, or planning your winter outfit, this tool gives you quick and clear results. Try it now and see how much snow that rainfall could have been!

Common questions

How much snow is 1 inch of rain?

At normal freezing levels, 1 inch of rain equals 10 inches of snow.

What is 3 inches of rain in snow?

That depends on the temperature. At 20°F, 3 inches of rain gives about 45 inches of snow.

Does 5 inches of snow equal 5 inches of rain?

No. Snow has more air in it than water. For example, 5 inches of snow is closer to 0.5 inches of rain, depending on density.

How many inches of rain is equal to 1 foot of snow?

One foot of snow (12 inches) is usually equal to about 1 inch of rain.