Temperature Converter

A simple C++ console application that converts between Fahrenheit, Celsius, and Kelvin. Perform one or more conversions in a single run, with validated input, progress indicators, and step-by-step math explanations.

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Features

• Six conversion types:
  1. Fahrenheit → Celsius
  2. Fahrenheit → Kelvin
  3. Celsius → Fahrenheit
  4. Celsius → Kelvin
  5. Kelvin → Fahrenheit
  6. Kelvin → Celsius
• Specify how many conversions to perform in a batch
• “Conversion 2 of 5” style progress display
• Robust input validation for both menu selections and numeric values
• “Do you want to do another conversion?” loop at the end
• Clear, step-by-step math breakdown of each conversion

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Prerequisites

• A C++ compiler with C++11 support or newer (e.g. GCC, Clang, etc...)
• (Optional) CMake if you prefer a build system
• A terminal or command prompt

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Building

Using a single compile command

g++ -std=c++11 -o temp_converter main.cpp

Using CMake

mkdir build
cd build
cmake ..
make

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Usage

Run the compiled executable from your terminal:

./temp_converter

1. How many conversions? Enter a whole number.
2. For each conversion:

• Pick a menu option (1–6).
• Enter the temperature value to convert.
• View the math steps and the final result.

3. Repeat? After the batch completes, type 'y' to start another batch or 'n' to exit.
4. Exit: Press Enter when prompted.

Example

$ ./temp_converter

How many conversions would you like to do? 2

--- You're currently on conversion 1 of 2 ---
1. Fahrenheit -> Celsius
2. Fahrenheit -> Kelvin
3. Celsius -> Fahrenheit
4. Celsius -> Kelvin
5. Kelvin -> Fahrenheit
6. Kelvin -> Celsius

Choose a conversion from the list above! (1-6): 1

Please enter the temperature you'd like to convert: 212

The math for this conversion is as follows:
(212 - 32) * 5 / 9 => (180) * 0.5555... = 100
And here's the final result: 212 --> 100

--- You're currently on conversion 2 of 2 ---
Choose a conversion from the list above! (1-6): 2

Please enter the temperature you'd like to convert: 32

The math for this conversion is as follows:
(32 - 32) * 5 / 9 + 273.15 => (0) * 0.5555... + 273.15 = 273.15
And here's the final result: 32 --> 273.15

Do you want to do another conversion? (y/n): n

Thank you for using my Temperature Converter! Press Enter to end the program.

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Error Handling

• Menu input: Only accepts integers 1–6, re-prompts on invalid entry.
• “How many” input: Only accepts positive whole numbers, re-prompts on invalid entry.
• Temperature input: Only accepts real numbers, re-prompts on invalid entry.
• Continue prompt: Only accepts y or n, re-prompts on invalid entry.

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Contact

• Discord: savxl
• Twitter: rsavxl
• Instagram: @20sav.xl02