# Allocation sizes of data types

**URL:** <https://forum.inductiveautomation.com/t/allocation-sizes-of-data-types/42886>\
**Category:** Ignition\
**Tags:** ignition80\
**Created:** [February 2, 2021, 2:35pm UTC](https://forum.inductiveautomation.com/t/allocation-sizes-of-data-types/42886 "2021-02-02T14:35:47Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![peter](https://avatars.discourse-cdn.com/v4/letter/p/278dde/32.png) [@peter](https://forum.inductiveautomation.com/u/peter)\
**Post date:** [February 2, 2021, 2:35pm UTC](https://forum.inductiveautomation.com/t/allocation-sizes-of-data-types/42886/1 "2021-02-02T14:35:47Z")

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In the [Tag Data Types](https://docs.inductiveautomation.com/display/DOC80/Tag+Data+Types) it lists things like:

```auto
Byte Int1
Short Int2
Integer Int4
Long Int8
Float Float4
Double Float8

```

Can I assume that the digit in the size refers to the number of bytes that the type encompasses? This is not explicitly said anywhere that I can see, and I’m trying to match data allocations across 4 different systems that each have their own names for various numerical values

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<div class="post-metadata">

**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [February 2, 2021, 2:37pm UTC](https://forum.inductiveautomation.com/t/allocation-sizes-of-data-types/42886/2 "2021-02-02T14:37:31Z")

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Yes that’s the naming scheme.

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<div class="post-metadata">

**Author:** ![peter](https://avatars.discourse-cdn.com/v4/letter/p/278dde/32.png) [@peter](https://forum.inductiveautomation.com/u/peter)\
**Post date:** [February 2, 2021, 2:39pm UTC](https://forum.inductiveautomation.com/t/allocation-sizes-of-data-types/42886/3 "2021-02-02T14:39:12Z")

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It obviously was, but I’m not trusting my assumptions right now!