Simple calculators for students, marks, GPA, age and exam planning.
StudentCalcTools helps students quickly calculate percentages, marks, CGPA, GPA, age, date differences and exam countdowns with clear formulas and examples.
Obtained Marks
420Total Marks
500Your Percentage
84%Clear Formulas
Each calculator explains the formula so students can understand the result.
Easy to Use
Enter your values, click calculate and get the answer instantly.
Mobile Friendly
The tools are designed to work smoothly on phones, tablets and laptops.
Choose a free calculator
Use these simple educational calculators for school, college, assignments, results and exam planning.
Marks Percentage Calculator
Calculate marks percentage from obtained marks and total marks.
Open CalculatorDays Between Dates Calculator
Count the number of days, weeks and months between two dates.
Open CalculatorBuilt for quick student calculations
Students often need quick calculations for marks, results, assignments, birthdays, exam dates and academic planning. StudentCalcTools keeps these common calculators in one clean and easy-to-use place.
Every calculator is designed to show a clear result with helpful explanation, so visitors can understand how the calculation works instead of only seeing a number.
Start with the most used calculator
Calculate marks, percentages and academic results in seconds.
Try Marks Calculator