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Desktop versionConsole versionOld-gen console versionMobile version Desktop/Console/Old-gen console/Mobile-Only Content: This information applies only to the Desktop, Console, Old-gen console, and Mobile versions of Terraria.
  • Ruler item spriteold Ruler item sprite
Stack digit 1.png
Damage12 (Melee)
Knockback0.5 (Extremely weak)
Critical chance4%
Use time20 (Very fast)
Velocity4.8 (effective)
Rarity01*Rarity level: 1
Buy10 Desktop and Mobile versions
1 Console VersionOld-gen console version
Sell2 Desktop and Mobile versions
33 Console VersionOld-gen console version
Research1 required
Projectile created
  • Ruler
Attacking with the Ruler on Desktop version Desktop and Mobile version Mobile.
Ruler measurements on Console version Console.

The Ruler is Desktop and Mobile versions an autoswinging shortsword / Console VersionOld-gen console version an informational accessory which aids the precise placement of blocks. It is purchased from the Goblin Tinkerer for Desktop and Mobile versions 10 / Console VersionOld-gen console version 1.

In the Console version Console version, the Ruler displays measurement lines for counting blocks while building. In the Desktop version Desktop version and Mobile version Mobile version, this effect can always be toggled via the "Ruler On"/"Ruler Off" button in the upper left of the inventory. In the Old-gen console version Old-gen console version, the Ruler displays a grid framework similar to that of the Mechanical RulerDesktop, Console, and Mobile versions.

Its best modifier is Legendary.

Crafting[edit | edit source]

Used in[edit | edit source]

Notes[edit | edit source]

  • Console VersionOld-gen console version Although the Ruler's purpose is primarily referential, it can be reforged to have any of the usual accessory modifiers (like with informational accessories).
  • Console VersionOld-gen console version Instead of selling for one fifth of its original buy value like most items, it actually sells for one third.

History[edit | edit source]

  • Desktop ‎
    • No longer functions as a referential accessory.
    • Now deals melee damage.
  • Console 1.0.1372.5:
    • Sprite updated to match Desktop 1.3.1.
    • Now used to craft The Grand Design.
  • Switch 1.0.895.9:
    • Sprite updated to match Desktop 1.3.1.
    • Now used to craft The Grand Design.