Three simple steps
How to use this tool?
This free online converter translates C# source code into Fortran in three simple steps.
- Step 1
Add your C# code
Type, paste, or upload the C# code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Fortran.
- Step 3
Review the result
Review, copy, or download the resulting Fortran code from the output editor.
See it in action
Examples of C# to Fortran conversion
These examples show C# source code and the corresponding Fortran translation. Generated results can vary as AI models are updated.
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
Language comparison
Key differences between C# and Fortran
| Characteristic | C# | Fortran |
|---|---|---|
| Syntax | C# has a syntax similar to C++ and Java, with curly braces and semicolons to denote code blocks and statements. | Fortran has a syntax that is more similar to mathematical notation, with a focus on arrays and matrices. |
| Paradigm | C# supports multiple paradigms, including object-oriented, imperative, and functional programming. | Fortran is primarily an imperative programming language, but it also supports some object-oriented features. |
| Typing | C# is a statically typed language, meaning that variable types are determined at compile time. | Fortran is also a statically typed language. |
| Performance | C# is generally considered to be a high-performance language, with efficient memory management and fast execution times. | Fortran is also known for its high performance, particularly in scientific and engineering applications. |
| Libraries and frameworks | C# has a large and active community, with many libraries and frameworks available for a wide range of applications. | Fortran has a smaller community than C#, but there are still many libraries and frameworks available for scientific and engineering applications. |
| Community and support | C# has a large and active community, with many resources available for learning and troubleshooting. | Fortran has a smaller community than C#, but there are still resources available for learning and troubleshooting. |
| Learning curve | C# has a moderate learning curve, particularly for those with experience in other C-style languages. | Fortran has a steeper learning curve than C#, particularly for those without a background in scientific or engineering applications. |
Common questions
Frequently Asked Questions
How do I convert C# to Fortran?
Paste your C# code into the input box, confirm the languages are set to C# and Fortran, and click Convert. CodeConvert AI analyzes your C# code and generates equivalent Fortran code in seconds, preserving the original logic and structure.
What are the main differences between C# and Fortran?
C# and Fortran differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each C# construct to its closest Fortran equivalent. See the comparison table below for the key differences between C# and Fortran.
Is the converted Fortran code accurate?
The AI produces high-quality Fortran code that preserves the behavior of your original C# code and follows Fortran conventions. It handles common patterns, data structures, and idioms for both C# and Fortran. For large or performance-critical code, review and test the Fortran output before using it in production.
Can I convert an entire C# project to Fortran?
You can convert C# files one at a time by pasting each file's code. For a full migration, convert each file and then review how classes, dependencies, and project structure map from C# to Fortran. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Fortran back to C#?
Yes. CodeConvert AI converts in both directions, so you can convert Fortran to C# just as easily using our Fortran to C# converter. Try the Fortran to C# Converter
Is the C# to Fortran converter free, and do I need to install anything?
Yes, it is free and runs in your browser with nothing to install and no IDE extension required. You can convert C# to Fortran without an account for up to 2 conversions per day. Sign in for free for higher limits.
What are the benefits of signing in?
Signing in unlocks CodeConvert AI's Pro converter with more powerful AI models, a built-in chat assistant, code execution, saved conversion history, and personal notes. Every free account includes 5 credits and supports up to 25,000 characters of input per conversion, with no credit card required.
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