What determines your voices volume?

The volume of your voice is primarily determined by the amount of air you push through your vocal cords when you speak or sing. This airflow creates vibrations in the vocal cords, and greater airflow results in louder sounds. Additionally, the tension and length of the vocal cords, as well as the resonance of the vocal tract, also play roles in determining volume. Factors such as physical health, emotional state, and environment can further influence vocal volume.