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Antoine Equation Saturated Liquid Vapor Pressure Calculator

The Antoine equation is an empirical thermodynamic correlation describing the exponential dependence of saturated vapor pressure on temperature.

Calculated Result
101.34 kPa

Vapor Pressure (P_sat)

Pressure in mmHg / Torr

760.1 mmHg

Pressure in Bar

1.013 bar

Calculation Breakdown

  1. Apply Antoine logarithmic vapor pressure formulalog10(P) = 8.07131 - (1730.63 / (100 + 233.426)) = 2.8809
  2. Convert from mmHg to SI kPaP = 10^(2.8809) * 0.13332 = 101.34 kPa

Water Vapor Pressure vs Temperature

Interactive visualization based on your current inputs

kPa
0.025517610120°C40°C60°C80°C100°CTemp (°C)Pressure (kPa)

What Is the Antoine Equation Saturated Liquid Vapor Pressure Calculator?

The Antoine equation is an empirical thermodynamic correlation describing the exponential dependence of saturated vapor pressure on temperature.

How Does the Antoine Equation Saturated Liquid Vapor Pressure Calculator Work?

The calculation evaluates user-provided measurements using recognized domain equations, converts between measurement units, and adjusts for real-world efficiency factors.

Antoine Equation Saturated Liquid Vapor Pressure Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

\log_{10}(P_{\text{mmHg}}) = A - \frac{B}{T + C}

Antoine coefficients are derived from experimental boiling point curves and accurately model volatile liquid vapor pressures.

How to Use the Antoine Equation Saturated Liquid Vapor Pressure Calculator

  1. Enter your primary measurements in the input fields above.
  2. Select your preferred units (e.g. metric or imperial) if applicable.
  3. Review or adjust operational assumptions such as field efficiency.
  4. Click Calculate to instantly generate the full results breakdown and visual chart.
  5. Use the Reset button at any time to clear the form and test a new scenario.

Step-by-Step Example Calculation

Water at 100°C Boiling Point

Input Values:

tempCelsius:100
coefA:8.07131
coefB:1730.63
coefC:233.426

Understanding Your Result

Your calculated result represents the realistic operational capacity or baseline output under the specified conditions. Comparing theoretical and effective outputs reveals the direct impact of turns, overlap, and practical downtime.

Factors That Affect the Result

Field terrain, operator experience, equipment maintenance, overlap margin, and weather conditions can significantly influence real-world output.

When Should You Use This Calculator?

Use this calculator whenever you need quick, verified estimates for job planning, budgeting, equipment sizing, or project timelines.

Assumptions & Limitations

  • Ensure entered Antoine parameters correspond to log10 base and degrees Celsius units.

Frequently Asked Questions

Calculation Accuracy & Reference Note

This calculator implements verified, deterministic mathematical equations based on published standards. Results should be treated as professional engineering estimates; always verify critical operations with local equipment manuals and site inspections.

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