The right time to switch to a toddler bed generally falls between the ages of 18 months and 3 years old. Many toddlers transition around 18 to 24 months or once they are about 35 inches tall (around 3 feet), which is typically when they may start climbing out of their crib, posing a safety risk. Some key signs that a child is ready for a toddler bed include:

• Climbing out of the crib
• Outgrowing the crib (chest visible over the crib rail)
• Expressing a desire for a "big kid" bed
• Being between 18 months and 3 years old

Experts note that some children may be ready as early as 18 months, while others do better waiting until closer to age 3, especially to avoid frequent nighttime wandering or sleep disruption. If a toddler is still having trouble with self-control, delaying the switch might help. Additionally, if another baby is coming, parents often transition the toddler to a bed several months before the newborn arrives to help with adjustment. It is also important to childproof the room thoroughly before the transition since toddlers will have more freedom to get out of bed and move around at night. In summary, transitioning usually happens when toddlers are between 18 months and 3 years old, physical readiness (like climbing ability and height) and behavioral signs guide the timing best.