The applications of pH paper are very extensive. In the scientific field, these papers are used as a high-speed and low-cost tool for determining the pH of solutions. Chemistry laboratories, geologists, biologists, and industrial manufacturers use this paper to track changes in pH in chemical events and industrial processes.

In the field of medicine, pH paper plays a role in diagnosing specific diseases. For example, in urine tests, these papers are used to diagnose urinary tract infections and monitor urine pH levels. Additionally, in medical and dental laboratories, they are also used to determine the pH of the digestive system and mouth.

In addition, pH paper is used in the food industry as a simple and reliable method to monitor pH changes in production and preservation processes of food products. It is also used in the agricultural industry to track soil and water pH.

Due to the simplicity and portability of pH paper, this tool is used as a quick and low-cost solution in industries and scientific research.