Water Hardness Conversion Calculator – dH, ppm, caco3, mmol, fH, mval

Are you tired of having to convert water hardness levels between different units? If so, then you’ve come to the right place. Water hardness conversion is an essential part of water treatment and analysis, but it can be tricky and time-consuming when done manually.

That’s why we are providing you with a handy water hardness conversion calculator to make your life easier. This calculator is easy to use, fast, and accurate, so you can get your work done quickly without any hassle.

Water Hardness Conversion Calculator

Hardness expressions units conversions


What is a Water Hardness Conversion Calculator?

A water hardness conversion calculator is a tool that enables users to quickly and accurately convert a given value from one unit of measure to another.

This makes calculating the correct amount of hardening agents or readings much simpler than having to do it manually. This calculator supports a wide variety of units including;

  • German Degrees (°dH)
  • French Degrees (°fH)
  • English Degrees (°e)
  • Milli-equivalent/l – millival
  • ppm CaCO3
  • Millimoles per Liter (mmol/l)

You can simply input the value with a required unit and get the output in the different units used in hardness expressions instantly.

How Does the Water Hardness Conversion Calculator Work?

The water hardness conversion calculator is designed to be simple and efficient. All you have to do is enter the desired value in the supported units depending on what kind of measurement you’re using.

Then simply click on the “Calculate” button. The result will appear in the conversion calculator immediately.

This calculator simplifies this process by taking care of all these calculations for you, giving you accurate results at lightning speed.

Plus, since everything is done within the same window, there’s no need for multiple tabs or windows all open at once, saving time and resources overall.

Why Should I Use the Conversion Calculator?

Converting measurements between different units can be difficult, especially when dealing with complex formulas like those used for calculating water hardness levels.

These calculators are designed to make it easy for users to convert their water hardness from one measurement type (e.g. parts per million [PPM], or millimoles per Liter (mmol/l)) into another.

This means that you no longer need to do complicated math calculations or consult charts and tables every time you want to find out what your water hardness is. All you need is a reliable calculator!

What are some other benefits of the Water Hardness Conversion Calculator?

In addition to being fast and easy to use, the water hardness conversion calculator also offers several other benefits:

It saves time

Instead of having to look up tables and charts, all you have to do is enter your data into the calculator and let it do all the work for you.

No more wasting hours trying to figure out complicated formulas, saving precious time.

It saves money

Because this calculator is a free online tool, it won’t cost anything but still produce accurate results. No need for expensive software or hardware.

It’s easy

This calculator is designed with user-friendliness in mind. So even novice users can quickly get accurate results without any difficulty.

It’s accurate

Since this calculator uses standard formulas for calculations, it provides reliable results that users can trust.


The water hardness conversion calculator is an invaluable tool for anyone looking to accurately convert units for their water hardness levels quickly and easily.

This calculator helps you to quickly and easily convert between various types of hardness measurements, so you can better understand the levels of hard minerals in your water.