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Stack digit 1.png
Ruler inventory icon
Type AccessoryTool
Tooltip Creates measurement lines on screen for block placement
Rarity Rarity Level: 1
Buy / Sell 1 Gold Coin / 20 Silver Coin
Internal Item ID: 486
Desktop Version Console Version Desktop/Console-Only Content: This information applies only to the desktop and console versions of Terraria.

The Ruler is an accessory purchased from the Goblin Tinkerer for 1 Gold Coin. It aides intricate construction, as less trial and error is involved in judging distances, symmetry, and achieving a desired block layout.

  • Desktop Version Displays a line or L-shaped overlay showing x and y distance from the player to the mouse.
  • Console Version Operates identically to the Mechanical Ruler.

The Ruler's effect is purely visual and only affects the player who has it equipped.

Crafting[edit | edit source]

Used in[edit | edit source]

Desktop Version Desktop-Only Content: This section’s information applies only to the desktop version of Terraria.
Result IngredientsCrafting Station
The Grand Design.png Multicolor Wrench.pngMulticolor Wrench Tinkerer's Workshop.png Tinkerer's Workshop
Mechanical Lens.pngMechanical Lens
Wire.pngWire (60)
Ruler measurements in

Notes[edit | edit source]

  • Although the Ruler's purpose is primarily referential, it can be Reforged to have any of the usual accessory Modifiers.
  • The ruler effect can be disabled by using the Ruler Off icon in the upper left corner of the user interface.

History[edit | edit source]

  • New Function, now creates measuring lines instead of displaying a grid. For the previous functionality, see Mechanical Ruler.
  • 1.1: Introduced.
Equipable Items: Adamantite Breastplate.png Armor • Anklet of the Wind.png Accessories ( Cobalt Shield.png Combat) • Pharaoh's Robe.png Vanity ( Diamond Ring.png Accessories • Purple Dye.png Dyes)