The exact salary of a science tutor will depend on various factors, such as the tutor's level of experience, qualifications, and the location. Generally, science tutors across the United States can expect to earn an average of $24.36 per hour, or slightly more than $50,000 per year. Rates may be even higher in areas with high demand for science tutors. Some science tutors may also charge an hourly rate that is higher than the average. Ultimately, a science tutor's salary will depend largely on their individual skills and qualifications, as well as the region they work in.