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Online C to Fortran Converter

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Additional Instructions

How to use this tool?

This free online converter lets you convert code from C to Fortran in a click of a button. To use this converter, take the following steps -

Type or paste your C code in the input box.
Click on the "Convert" button.
The converted Fortran code will be displayed in the output box.

Examples

The following are examples of code conversion from C to Fortran using this converter. Note that you may not always get the same code since it is generated by an AI language model which is not 100% deterministic and gets updated from time to time.

Example 1 - Is String Palindrome

Program that checks if a string is a palindrome or not.

C Code:

Fortran Code:

Example 2 - Even or Odd

A well commented function to check if a number if odd or even.

C Code:

Fortran Code:

Differences

The following are some key differences between C and Fortran.

Characteristic	C	Fortran
Syntax	C has a syntax that is similar to other programming languages like Java and C++. It uses curly braces to define blocks of code and semicolons to end statements.	Fortran has a syntax that is more similar to mathematical notation. It uses keywords like 'DO' and 'END DO' to define loops and has a more verbose syntax for array operations.
Paradigm	C is a procedural programming language, which means that it focuses on defining procedures or functions that perform specific tasks.	Fortran is a procedural programming language, but it also has support for object-oriented programming through the Fortran 2003 standard.
Typing	C is a statically typed language, which means that variable types are defined at compile time and cannot be changed during runtime.	Fortran is a statically typed language, but it also has support for dynamic memory allocation through the 'ALLOCATABLE' keyword.
Performance	C is known for its high performance and is often used for systems programming and embedded systems.	Fortran is also known for its high performance, especially in scientific computing and numerical analysis.
Libraries and frameworks	C has a large number of libraries and frameworks available, including the standard C library and popular frameworks like GTK+ and Qt.	Fortran has a smaller number of libraries and frameworks available, but it does have support for the BLAS and LAPACK libraries for numerical analysis.
Community and support	C has a large and active community, with many resources available for learning and support.	Fortran also has a dedicated community, especially in the scientific computing and numerical analysis fields.
Learning curve	C has a steep learning curve, especially for beginners who are not familiar with low-level programming concepts.	Fortran also has a steep learning curve, especially for beginners who are not familiar with scientific computing and numerical analysis concepts.

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