Ratio

Part of Math Symbols

Ratio has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.

Alt code
None
HTML entity
∶
Unicode
U+2236

About this symbol

∶, the ratio sign, looks like a colon but is a separate character for maths, as in a ratio of 3 ∶ 2, so that it can be spaced and centred correctly.

Unicode facts

Official name
RATIO
Type
Maths symbol
Unicode block
Mathematical Operators
Unicode group
Relations
Added in
Unicode 1.1 (1993)
Unicode notes
  • Preferred to 003A for denotation of division or scale in mathematical use
Related
: Colon U+003A

Click the symbol or any value at the top of the page to copy it. See the full Math Symbols chart for related characters.

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