Short answer

18 is lucky in Judaism because it equals the Hebrew word "chai," meaning life. The letters chet (8) and yud (10) combine to 18, and the number is used in gifts and rituals to celebrate life.

Key points

  • 18 equals "chai," the Hebrew word for life.
  • The letters chet and yud have gematria values 8 and 10.
  • Giving in multiples of 18 symbolizes giving life.
  • Jewish gifts, donations, and amulets often use 18.
  • The number appears in prayers, rituals, and memorials.

In Judaism, 18 is lucky because it matches the Hebrew word "chai," meaning life. The letters chet (8) and yud (10) sum to 18, so the number represents the value of living.

How the number is used in practice

People give gifts or donate in multiples of 18—$18, $36, $180—to symbolically give life. The practice is common at holidays, birthdays, weddings, and other celebrations.

Symbols and rituals

Jewish amulets, jewelry, and memorial stones often carry the word "chai" or the number 18 to remind wearers of life’s sanctity and to honor the deceased. The number also appears in prayers and blessings.

Frequently asked questions

What does the word "chai" mean in Hebrew?

"Chai" means life in Hebrew and is written with the letters chet and yud.

Why do people give money in multiples of 18?

Giving in multiples of 18 is a way to symbolically give life and bring good fortune to the recipient.

Is 18 used in Jewish holidays?

Yes, gifts and donations in multiples of 18 are common during holidays, birthdays, and weddings to celebrate life.

See also

In-depth articles

Related topics