In general, the size of the 4×6 photo is 4 inches by 6 inches or 10×15 centimeters. It is the worldwide standard of printed pictures and it is extensively utilized in albums, frames and crafts. Visuals Clipping concludes that when individuals pose the question how big is a photo 4×6, they are asking the question in which the size is the best combination of practicality, cost and timelessness in photography.