Unicode Circled Numbers ① ② ③

White Circled Number

⓪ ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ⑫ ⑬ ⑭ ⑮ ⑯ ⑰ ⑱ ⑲ ⑳ ㉑ ㉒ ㉓ ㉔ ㉕ ㉖ ㉗ ㉘ ㉙ ㉚ ㉛ ㉜ ㉝ ㉞ ㉟ ㊱ ㊲ ㊳ ㊴ ㊵ ㊶ ㊷ ㊸ ㊹ ㊺ ㊻ ㊼ ㊽ ㊾ ㊿

These are specifically sans-serif:
🄋 ➀ ➁ ➂ ➃ ➄ ➅ ➆ ➇ ➈ ➉

Black Circled Number

⓿ ❶ ❷ ❸ ❹ ❺ ❻ ❼ ❽ ❾ ❿

⓫ ⓬ ⓭ ⓮ ⓯ ⓰ ⓱ ⓲ ⓳ ⓴

These are specifically sans-serif:
🄌 ➊ ➋ ➌ ➍ ➎ ➏ ➐ ➑ ➒ ➓

ON BLACK SQUARE
㉈ ㉉ ㉊ ㉋ ㉌ ㉍ ㉎ ㉏

Double-Circled Number

⓵ ⓶ ⓷ ⓸ ⓹ ⓺ ⓻ ⓼ ⓽ ⓾

Number with Period

🄀 ⒈ ⒉ ⒊ ⒋ ⒌ ⒍ ⒎ ⒏ ⒐ ⒑ ⒒ ⒓ ⒔ ⒕ ⒖ ⒗ ⒘ ⒙ ⒚ ⒛

Number with Parenthesis

⑴ ⑵ ⑶ ⑷ ⑸ ⑹ ⑺ ⑻ ⑼ ⑽ ⑾ ⑿ ⒀ ⒁ ⒂ ⒃ ⒄ ⒅ ⒆ ⒇

Chinese Circled Number

㊀ ㊁ ㊂ ㊃ ㊄ ㊅ ㊆ ㊇ ㊈ ㊉

Letter with Parenthesis

🄐 🄑 🄒 🄓 🄔 🄕 🄖 🄗 🄘 🄙 🄚 🄛 🄜 🄝 🄞 🄟 🄠 🄡 🄢 🄣 🄤 🄥 🄦 🄧 🄨 🄩

⒜ ⒝ ⒞ ⒟ ⒠ ⒡ ⒢ ⒣ ⒤ ⒥ ⒦ ⒧ ⒨ ⒩ ⒪ ⒫ ⒬ ⒭ ⒮ ⒯ ⒰ ⒱ ⒲ ⒳ ⒴ ⒵

White Circled Letters

Ⓐ Ⓑ Ⓒ Ⓓ Ⓔ Ⓕ Ⓖ Ⓗ Ⓘ Ⓙ Ⓚ Ⓛ Ⓜ Ⓝ Ⓞ Ⓟ Ⓠ Ⓡ Ⓢ Ⓣ Ⓤ Ⓥ Ⓦ Ⓧ Ⓨ Ⓩ

ⓐ ⓑ ⓒ ⓓ ⓔ ⓕ ⓖ ⓗ ⓘ ⓙ ⓚ ⓛ ⓜ ⓝ ⓞ ⓟ ⓠ ⓡ ⓢ ⓣ ⓤ ⓥ ⓦ ⓧ ⓨ ⓩ

Black Circled Letters

🅐 🅑 🅒 🅓 🅔 🅕 🅖 🅗 🅘 🅙 🅚 🅛 🅜 🅝 🅞 🅟 🅠 🅡 🅢 🅣 🅤 🅥 🅦 🅧 🅨 🅩

Squared Letters

Here's a screenshot of what they look like. May be different in your browser.