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Left Hand or Right Hand? When Do Toddlers Show Handedness?

Care for Baby

Written by - Mylo BabyLast updated: Oct 1, 2026

Left Hand or Right Hand? When Do Toddlers Show Handedness?

9 min

Quick Answer

Most toddlers switch between hands until about age 2. A preference usually starts showing between 2 and 4 years and becomes firm by 4 to 6 years. About 1 in 10 people are left-handed, and that's completely normal. Never force a switch. A strong preference before 12 months needs a doctor's check.

At what age do toddlers choose a dominant hand?

Short answer: A preference starts to show between 2 and 4 years. It usually becomes fixed by 4 to 6 years.

Age	What's typical
0 to 12 months	Uses both hands. Switching freely is normal.
12 to 24 months	Switches a lot, sometimes leans to one side for a few weeks
2 to 3 years	A favourite hand starts to show for spoons, crayons and throwing
3 to 4 years	The preference gets clearer but can still change
4 to 6 years	Handedness is usually set before school writing begins

The Royal Children's Hospital Melbourne's occupational therapy guide gives a similar timeline. Research in Frontiers in Psychology shows hand preference develops gradually over early childhood.

How can I tell if my toddler is left or right-handed?

Short answer: Watch which hand your toddler uses for tasks they choose themselves, many times over a few weeks.

Simple test at home	What to watch for
Hold a toy at the middle of their chest	Which hand reaches first
Give a crayon placed in the middle	Which hand holds it to scribble
Offer a spoon from the front	Which hand feeds
Roll a ball and ask them to throw it	Which arm throws
Ask them to stack blocks	Which hand places the block, and which holds steady

Always put objects in the middle, not to one side. Otherwise your toddler just uses the closer hand. Note what you see over 2 to 3 weeks, not one day.

Is it normal for a toddler to use both hands?

Short answer: Yes. Switching hands until about age 3 or 4 is normal and healthy.

Using both hands helps toddlers build strength and coordination on both sides. Many children use one hand for eating and the other for throwing. This "mixed handedness" often settles by school age. For more on hand skills by age, see our fine motor milestones and when toddlers start scribbling articles.

What decides whether a child is left-handed?

Short answer: It's a mix of genes and early brain development. Parents can't choose it, and nothing they did caused it.

About 10% of people are left-handed worldwide, according to a large 2020 meta-analysis.
Left-handedness runs in families, but many genes play a small part, so two right-handed parents can have a left-handed child.
It's linked to how the two sides of the brain divide up tasks. It's not a sign of a problem.

Should I make my toddler use the right hand?

Short answer: No. Forcing a switch can frustrate your child and make writing and other skills harder later.

✅ Do	❌ Don't
Place objects in the middle and let your toddler choose	Move the spoon or crayon into the right hand
Praise the effort, not the hand	Scold or tap the left hand
Sit beside a left-handed child when teaching, on their left	Sit opposite and expect them to copy a mirror image
Get left-handed scissors later (around 3 to 4 years)	Force right-handed scissors, which pinch lefties
Tilt paper to the right for left-handed writers in preschool	Call it "ulta haath" (the "wrong hand")

When is early hand preference a red flag?

Short answer: A strong preference before 12 months, especially with weakness or stiffness on the other side, needs a paediatrician's check.

See a doctor if your toddler...	Why
Strongly prefers one hand before 12 months	It can point to weakness on the other side
Keeps one hand fisted, stiff or held close to the body	Possible muscle tone or nerve issue
Ignores one hand or drops things from it	Possible one-sided weakness
Also crawled or walked unevenly, dragging one side	Needs a motor assessment
Loses hand skills they used to have	Always needs a prompt review

These signs are uncommon, but catching them early helps. Read more on developmental delay.

What should Indian parents know about handedness?

Eating with the right hand is a custom in many Indian homes. That's a family choice, and it's fine to gently model it. Writing, drawing and throwing should stay with whichever hand comes naturally to your child.
Ask grandparents and relatives not to "correct" the left hand.
Preschools: tell the teacher your child is left-handed, so they get a suitable seat (not elbow to elbow with a right-hander) and left-handed scissors.
Free help: if you notice one-sided weakness, ask at your Anganwadi or government health centre about RBSK screening. They can refer your child to a DEIC (District Early Intervention Centre).

Myths vs facts

Myth	Fact
Left-handedness is bad luck or "ulta".	It's a natural difference in about 1 in 10 people.
You can tell handedness at 6 months.	A firm preference this early can be a warning sign, not a fact about handedness.
Left-handed children are slower learners.	Handedness doesn't decide intelligence or school success.
Switching hands early does no harm.	Forcing a switch can frustrate your child and slow handwriting.
Using both hands means confusion.	Mixed hand use is normal until 4 to 6 years.

FAQs

1. Bachcha left handed hai ya right handed, kab pata chalta hai?
Usually between 2 and 4 years. It becomes clear by 4 to 6 years.

2. Kya left hand se khana galat hai?
Medically, no. Eating with the right hand is a family custom. Never force writing or drawing into the right hand.

3. Mera 1 saal ka bachcha sirf ek haath use karta hai, kya chinta ki baat hai?
If your child strongly uses only one hand before 12 months, or the other hand seems weak or stiff, see a paediatrician.

4. Kya dono haath use karna normal hai?
Yes. Using both hands is normal until age 4 to 6.

5. Left handed bachche ko likhna kaise sikhayein?
Sit on their left side, tilt the paper to the right, and use left-handed scissors.

6. Kya left handed hona genetic hai?
Partly. It runs in families, but genes are only one part of it.

References

The Royal Children's Hospital Melbourne. Hand preference (OT info sheet).
Frontiers in Psychology, 2016. Development of hand preference in early childhood.
Papadatou-Pastou M et al. Human handedness: a meta-analysis. Psychological Bulletin, 2020.
Bimanual hand preference in infants. PMC, 2015.
Ministry of Health and Family Welfare. Rashtriya Bal Swasthya Karyakram (RBSK).

Medical disclaimer

This article is for general information only and does not replace advice from your paediatrician or a paediatric occupational therapist. Every child develops at their own pace. If you notice weakness or stiffness on one side, please see a doctor.

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