1 in ASL | ASL Dictionary

Sign for 1 in ASL

Quick answer: The sign for 1 in ASL is made by holding up the index finger while the other fingers stay closed. It represents the number one.

ASL sign for 1
The sign for 1 in ASL uses the index finger to show the number one.

How to Sign 1 in ASL

To sign 1, hold up your dominant hand with the index finger extended. Keep the thumb and remaining fingers closed. The hand stays still in neutral signing space.

For basic ASL counting, the palm for numbers 1–5 often faces inward toward the signer. In some contexts, such as showing a number to someone, the palm may face outward.

Dominant Handshape 1-hand with index finger extended
Non-Dominant Handshape Not used
Location Neutral signing space in front of the body
Palm Orientation Usually palm inward for basic counting; may face outward when showing the number
Movement No movement; hold the number clearly
Non-Manual Markers Neutral expression

When to Use This Sign

Use 1 when counting, giving quantities, talking about one item, ranking something as number one, or using number signs in time, age, money, or measurements.

  • counting objects
  • giving a quantity
  • talking about one person or thing
  • ranking something as number one
  • using number incorporation with time or age

One little number does a lot of work in ASL.

Common Mistakes

  • Letting the thumb stick out too far
  • Confusing the number 1 with the letter D
  • Rotating the palm the wrong way for the context
  • Bending the index finger instead of keeping it clear
  • Moving the hand when the number should stay still

Example Sentences

ASL gloss: I HAVE ONE BOOK

English: I have one book.

ASL gloss: ONE PERSON ARRIVE

English: One person arrived.

ASL gloss: MY DOG ONE

English: I have one dog.

Related Number Signs in ASL

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