1. What is a Boiling Point at Altitude Calculator?

Definition: This calculator determines the atmospheric pressure at a given altitude using a specific formula and calculates the boiling point of water at that pressure using another formula.

Purpose: It is used in chemistry, physics, and outdoor activities to predict water’s boiling point at different altitudes, aiding in cooking, safety, and scientific experiments.

2. How Does the Calculator Work?

The calculator follows these steps, using the provided formulas:

• 1. Convert the input altitude to feet (ft).
• 2. Calculate atmospheric pressure in inches of mercury (inHg) using: \[ \text{pressure} = 29.921 \times (1 - 0.0000068753 \times \text{altitude})^5.2559 \]
• 3. Convert pressure to requested units (Pa, bar, psi, at, atm, Torr, hPa, kPa, inHg, mmHg).
• 4. Calculate the boiling point of water in Fahrenheit (°F) using: \[ \text{boiling point} = 49.161 \times \ln(\text{pressure}) + 44.932 \] where pressure is in inHg.
• 5. Convert the boiling point to requested units (°C, °F, K).

Explanation: Enter the altitude (e.g., 1000 m), and the calculator converts it to feet, calculates the pressure in inHg, and computes the boiling point of water in °C, °F, and K.

3. Importance of Boiling Point at Altitude

Details: Understanding boiling point changes with altitude is essential for cooking at high elevations, safety in outdoor activities, and scientific experiments involving water or steam, as lower pressure reduces the boiling point.

4. Using the Calculator

Tips: Input the altitude with its unit (e.g., 1000 m), ensuring the value is positive. The calculator focuses on water’s boiling point, using the provided formulas with specific imperial units (feet for altitude, inHg for pressure, °F for boiling point). Results are approximate due to the simplified formulas and assumptions.