How long does it take for a common American toad to become an adult?

A common American toad typically takes about 2 to 3 years to reach adulthood. After hatching from eggs, the tadpoles undergo metamorphosis, which can take several weeks to a few months, depending on environmental conditions. Once they transform into toadlets, they continue to grow and mature into adults over the following years. Factors such as temperature, food availability, and habitat can influence their development time.