Commonly used HTML special character constructs
These HTML constructs will render commonly-used special characters (or superscripting or subscripting) as shown below.
As a best practice, these constructs should be used in submitted measure descriptions, units, and other metadata.
| To get this | Type in this HTML code |
micro symbol | µ | µ |
degree symbol | 22° | 22° |
plus minus | ± | ± |
superscript | x2 | x<sup>2</sup> |
subscript | NH4Cl | NH<sub>4</sub>Cl |
line break / newline | (line break) |
<br> ...or... <br><br> |
alpha | α | α |
beta | β | β |
gamma | γ | γ |
delta symbol | Δ | Δ |
divided by | ÷ | ÷ |
dot product | ⋅ | ⋅ |
less than | < | < |
less than or equal to | ≤ | ≤ |
greater than | > | > |
greater than or equal to | ≥ | ≥ |
Less frequently used characters, for reference:
α α
β β
γ γ
δ δ
ε ε
ζ ζ
η η
θ θ
ι ι
κ κ
λ λ
μ μ
ν ν
ξ ξ
ο ο
π π
ρ ρ
ς ς
σ σ
τ τ
υ υ
φ φ
χ χ
ψ ψ
ω ω
Α Α
Β Β
Γ Γ
Δ Δ
Ε Ε
Ζ Ζ
Η Η
Θ Θ
Ι Ι
Κ Κ
Λ Λ
Μ Μ
Ν Ν
Ξ Ξ
Ο Ο
Π Π
Ρ Ρ
Σ Σ
Τ Τ
Υ Υ
Φ Φ
Χ Χ
Ψ Ψ
Ω Ω
♀ ♀
♂ ♂
• • (bullet)
– –
— —
(forced space)
© ©
® ®
ä ä
ö ö
ü ü
¡ ¡
¢ ¢
£ £
¤ ¤
¥ ¥
¦ ¦
§ §
¨ ¨
ª ª
« «
¬ ¬
­
¯ ¯
² ²
³ ³
´ ´
¶ ¶
· ·
¸ ¸
¹ ¹
º º
» »
¼ ¼
½ ½
¾ ¾
¿ ¿
À À
Á Á
 Â
à Ã
Ä Ä
Å Å
Æ Æ
Ç Ç
È È
É É
Ê Ê
Ë Ë
Ì Ì
Í Í
Î Î
Ï Ï
Ð Ð
Ñ Ñ
Ò Ò
Ó Ó
Ô Ô
Õ Õ
Ö Ö
× ×
Ø Ø
Ù Ù
Ú Ú
Û Û
Ü Ü
Ý Ý
Þ Þ
ß ß
à à
á á
â â
ä ä
ã ã
å å
æ æ
ç ç
è è
é é
ê ê
ë ë
ì ì
í í
î î
ï ï
ð ð
ñ ñ
ò ò
ó ó
ô ô
õ õ
ö ö
ø ø
ù ù
ú ú
û û
ü ü
ý ý
þ þ
ÿ ÿ
ƒ ƒ
ϑ ϑ
ϒ ϒ
ϖ ϖ
• •
… …
′ ′
″ ″
‾ ‾
⁄ ⁄
℘ ℘
ℑ ℑ
ℜ ℜ
™ ™
ℵ ℵ
← ←
↑ ↑
→ →
↓ ↓
↔ ↔
↵ ↵
⇐ ⇐
⇑ ⇑
⇒ ⇒
⇓ ⇓
⇔ ⇔
∀ ∀
∂ ∂
∃ ∃
∅ ∅
∇ ∇
∈ ∈
∉ ∉
∋ ∋
∏ ∏
− −
∗ ∗
√ √
∝ ∝
∞ ∞
∠ ∠
∧ ∧
∨ ∨
∩ ∩
∪ ∪
∫ ∫
∴ ∴
∼ ∼
≅ ≅
≈ ≈
≠ ≠
≡ ≡
⊂ ⊂
⊃ ⊃
⊄ ⊄
⊆ ⊆
⊇ ⊇
⊕ ⊕
⊗ ⊗
⊥ ⊥
⌈ ⌈
⌉ ⌉
⌊ ⌊
⌋ ⌋
⟨ 〈
⟩ 〉
◊ ◊
♠ ♠
♣ ♣
♥ ♥
♦ ♦
" "
& &
< <
> >
Œ Œ
œ œ
Š Š
š š
Ÿ Ÿ
ˆ ˆ
˜ ˜
 
 
 
‌
‍
‎
‏
‘ ‘
’ ’
‚ ‚
“ “
” ”
„ „
† †
‡ ‡
‰ ‰
‹ ‹
› ›
€ €
▔ ▔
▕ ▕
▖ ▖
▗ ▗
▘ ▘
▙ ▙
▚ ▚
▛ ▛
▜ ▜
▝ ▝
▞ ▞
▟ ▟
■ ■
□ □
▢ ▢
▣ ▣
▤ ▤
▥ ▥
▦ ▦
▧ ▧
▨ ▨
▩ ▩
▪ ▪
▫ ▫
▬ ▬
▭ ▭
▮ ▮
▯ ▯
▰ ▰
▱ ▱
▲ ▲
△ △
▴ ▴
▵ ▵
▶ ▶
▷ ▷
▸ ▸
▹ ▹
► ►
▻ ▻
▼ ▼
▽ ▽
▾ ▾
▿ ▿
◀ ◀
◁ ◁
◂ ◂
◃ ◃
◄ ◄
◅ ◅