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Saturation Vapor Pressure Calculator
Calculate saturation vapour pressure of water at a temperature.
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Vapour pressure
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Calculate saturation vapour pressure of water at a temperature.
Saturation Vapor Pressure Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: Valid about 0 to 50 C.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Saturation Quick Guide
Typical values for reference.
| Temp C | kPa | hPa | mmHg |
|---|---|---|---|
| 0 | 0.611 | 6.1 | 4.6 |
| 10 | 1.228 | 12.3 | 9.2 |
| 20 | 2.338 | 23.4 | 17.5 |
| 30 | 4.243 | 42.4 | 31.8 |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Saturation Vapor Pressure Calculator FAQ
Answers to common questions about this calculator.
Tetens.
It gives a quick estimate of saturation vapor pressure from the values you enter.
No. It is a planning estimate, so check important figures with a professional or official source.
Yes. Edit any field and the result updates when you calculate.