Coding⏱️ 2 min read📅 2026-05-30

How to Fix: ValueError: invalid literal for int() with base 10: ''

Invalid literal for int() with base 10: ''.

Quick Answer: The error occurs when trying to convert an empty string to an integer. Try using a conditional statement to check if the input is not empty before attempting the conversion.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. 🛠️ Step-by-Step Verified Fixes
  3. 💡 Conclusion

The error 'ValueError: invalid literal for int() with base 10: ''' occurs when you attempt to convert an empty string into an integer using the built-in int() function in Python. This error is raised because the int() function expects a valid numeric value, and an empty string does not meet this requirement.

🛑 Root Causes of the Error

  • Using int() function with an empty string.

🛠️ Step-by-Step Verified Fixes

Method 1: Handling Empty Input

  1. Step 1: Replace the int() function with a conditional statement to check if the input is not empty before attempting to convert it.

Method 2: Using try-except Block

  1. Step 1: Wrap the int() function in a try-except block to catch any ValueError exceptions raised during execution.

💡 Conclusion

By implementing these fixes, you can prevent the ValueError: invalid literal for int() with base 10: '' error from occurring in your Python code.

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