# decimal.to_big_integer · Rell standard library · Chromia Docs (concept)

> pure function to_ big_ integer(): big_integer Convert this decimal to a big_integer , truncating the fractional part. Numerically equivalent to decimal.flo

Source: https://docs.chromia.com/pages/rell-stdlib/-rell-system-library/root/decimal/to_big_integer/

FUNCTION

# decimal.to\_big\_integer

```signature
pure function to_big_integer(): big_integer
```

Convert this decimal to a `big_integer`, truncating the fractional part.

Numerically equivalent to `decimal.floor()`, but with a type conversion.

Since 0.12.0

[View this page on docs.chromia.com](https://docs.chromia.com/pages/rell-stdlib/-rell%20-system%20-library/%5Broot%5D/decimal/to_big_integer.html)Generated API reference, mirrored from the live docs