Convert a grade to a scale of 20, calculate an average, multiplication tables and other tools for students, parents and teachers.
Average Calculator
Easily calculate arithmetic or weighted averages of your values. Perfect for school grades, evaluations, or any average calculation with custom coefficients.
Convert a Grade to /20
Instantly convert any grade to a scale of 20. Useful for students, teachers, exams, or international grade equivalencies.
Quiz - Multiplication Tables
Practice your multiplication tables with this interactive 10-question quiz. Choose a specific table (2 to 12) or mix all tables for a more varied challenge.