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Use our pH to Voltage Calculator to get instant voltage from any pH value. Accurate, simple, and great for science, labs, and sensor setups.
Many people want a clear way to turn pH values into voltage. So we built a pH to Voltage Calculator that makes things easy. You type your pH. You set the temperature. You click one button. You get the voltage at once. No stress. No long math.
This tool helps students, makers, lab users, and sensor fans. You don’t need deep science terms to use it. You just use the input boxes and read the result. That’s it.
A pH to Voltage Calculator turns a pH number into a voltage value. Sensors do this in real life. A pH probe makes a small voltage. That voltage shows how acidic or basic the liquid is.
Our tool does the same math for you. It uses a real formula from science. You get a clear output that works for labs, school work, Arduino projects, and DIY tools.
pH to voltage follows a simple rule from the Nernst equation. Here is the core idea in plain text:
Voltage = (Reference pH – Sample pH) × Slope
The slope changes with heat. Warm liquid gives a larger slope. Cold liquid gives a smaller slope. At 25°C, the slope is close to 0.05916 volts per pH.
This value is easy to use and helps you see how sensors work.
Here is the full math idea behind the tool:
Slope = (2.303 × R × T) ÷ F
Voltage = (pH_reference – pH_sample) × Slope
You don’t need to solve it by hand. The calculator solves it for you.
This tool saves time. It helps you avoid errors. It gives a clear and fast voltage output. You can pick volts, millivolts, or microvolts. You can also use your own reference pH. Many users set it to 7, but you can choose any point.
You’ll love it if you test sensors. You’ll love it if you study chemistry. You’ll love it if you build small projects with tiny boards.
It’s very simple.
You’ll see your voltage at once. The steps are smooth and fast.
Heat can change the slope. A change in slope means a change in voltage. This is how all pH sensors act. Warm water gives a stronger voltage shift per pH. That’s why our tool asks for your heat value.
With this, you always get the right output.
This pH to Voltage Calculator is simple, fast, and helpful. It gives clear and clean results that match real sensor math. It uses the right formula. It works at any heat level. You can use it for study, work, or fun projects. If you want a smooth way to turn pH into voltage, this tool is the best place to start.
The slope is close to 0.05916 volts per pH.
If pH goes down, the voltage goes up. If pH goes up, the voltage goes down.
Yes. This tool helps you plan and test sensor math.
Yes. It’s free for all users.
No. The tool does all the math for you.