Python Error: Cannot Convert 'int' Object to str Implicitly [Fixed]

Written by Kolade Chris | Nov 9, 2024 | #Python | 2 minutes Read

In Python, the error, cannot convert int object to str implicitly occurs when you try to concatenate a number (usually an integer) with a string without explicitly converting the integer to a string first.

Here’s an example:

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name = "John Doe"
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age = 24
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message = "My name is " + name + " and  I am " + age + " years old"
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print(message)

Running this code would lead to the error, because you have to explicitly convert age to a string before Python will be able to print it out for you.

Other forms in which the error can show up are TypeError: can only concatenate str (not "int") to str and TypeError: can only concatenate str (not "float") to str if the number is a float.

If you’re looking for a way to fix this error, you’ve come to the right place.

How to Fix the Cannot Convert ‘int’ Object to str Implicitly Error

To fix the error, make sure the integer is converted to a string. For that, you can use the following:

str() function
f string
the good old formatting with percentage (%) sign

Here’s how you can fix the cannot convert int object to str implicitly error with the str() function:

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name = "John Doe"
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age = 24
3

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message = "My name is " + name + " and  I am " + str(age) + " years old"
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print(message) # My name is John Doe and  I am 24 years old

Here’s how you can fix the error with f string:

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name = "John Doe"
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age = 24
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message = f"My name is {name} and  I am {age} years old"
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print(message) # My name is John Doe and  I am 24 years old

And here’s how you can fix it with the good old percent formatting style:

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name = "John Doe"
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age = 24
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message = "My name is %s and I am %d years old" % (name, age)
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print(message)  # My name is John Doe and I am 24 years old

I Hope this article helps you fix the error. If you still have an questions, you can send me a DM on Twitter (now X).