# Help converting to an Int

Ok, lets say I have some app args

``````Gtxn.application_args
``````

And they contain

``````Bytes("134567890")
``````

How can I convert `Bytes("134567890")` to `Int(1234567890)` in Pyteal? Thanks

You need to write a subroutine for that.
You can look at:

That being said, in the specific case where the integer is an application argument, I would strongly recommend you to instead encode the integer following:
Store an int in key local variable - #2 by fabrice (in smart contract)
Save price/amount in contract - sdk js - #2 by fabrice (for encoding in the SDK)

This is much more compact and much less error-prone.
Decimal strings representing integers (like “123456”) should only be used for human-readable values (e.g., in `Log`) or in cases where you really have no choice of encoding (e.g., if you get a signed decimal integer).

Alright, thanks. Is the following code correct? I found it on github

``````_ascii_zero = 48
_ascii_nine = _ascii_zero + 9
ascii_zero = Int(_ascii_zero)
ascii_nine = Int(_ascii_nine)

@Subroutine(TealType.uint64)
def ascii_to_int(arg):
"""ascii_to_int converts the integer representing a character in ascii to the actual integer it represents

Args:
arg: uint64 in the range 48-57 that is to be converted to an integer

Returns:
uint64 that is the value the ascii character passed in represents

"""
return Seq(Assert(arg >= ascii_zero), Assert(arg <= ascii_nine), arg - ascii_zero)
``````

Call function:

``````int = ascii_to_int(Btoi(Txn.application_args))
``````

No, `ascii_to_int` is for a single character.
You need `atoi`: pyteal-utils/string.py at main · algorand/pyteal-utils · GitHub
that itself uses `ascii_to_int`.

Thank you for helping me!