Educational

  • NET Score Calculator
    Calculate your net exam score with negative marking. Enter correct and wrong answers, marks per question, and penalty to get your final score.
  • TOEIC Score Calculator
    Calculate your total TOEIC Listening & Reading score by adding your scaled Listening and Reading scores (each 5–495) for a total of 10–990.
  • CGPA to GPA Calculator
    Convert your CGPA on the 10-point scale to a GPA on the US 4.0 scale instantly. Free, accurate CGPA to GPA calculator with the formula explained.
  • ACT Superscore Calculator
    Calculate your ACT superscore (US) from your best English, Math, Reading, and Science section scores across all test dates. Free and instant.
  • Raw Score to Percentage Calculator
    Convert a raw test score to a percentage instantly. Enter correct answers and total questions to find your percent grade with this free calculator.
  • Passing Score / Pass Mark Calculator
    Find how many questions you must answer correctly to pass an exam. Enter the total questions and required pass percentage to get the minimum passing score.
  • Easy Grader Calculator
    Free easy grader calculator: enter total questions and number wrong to instantly get the grade percentage and letter grade for any test or quiz.
  • Test Grade Calculator
    Free test grade calculator: enter correct answers and total questions to instantly get your score percentage and letter grade (A–F).
  • GPA Needed Calculator
    Find the GPA you need in upcoming courses to reach your target cumulative GPA. Enter current GPA, credits earned, target GPA, and new credits.
  • IELTS to GPA Conversion Calculator
    Convert percentage marks to CGPA on a 10-point scale instantly. Uses the standard CGPA = Percentage / 9.5 formula for Indian universities (CBSE/AICTE).
  • Weighted Average Grade Calculator
    Calculate your weighted average grade by entering each grade and its weight. Free, fast tool for students using weighted GPA or course mark schemes.
  • Grade Needed on Final Calculator
    Calculate the grade you need on your final exam to reach your target course grade. Enter your current grade, goal, and final exam weight.
  • True Shooting Percentage Calculator
    Calculate basketball True Shooting Percentage (TS%) from points, field goal attempts, and free throw attempts. Free, instant scoring-efficiency tool.
  • Slope Calculator
    Calculate the slope (m) between two points using m = (y2 − y1) / (x2 − x1). Also finds rise, run, angle, y-intercept and distance.
  • Probability Calculator
    Calculate single-event probability P(A)=favorable/total, plus combined P(A and B), P(A or B), and complement P(not A) for independent events.
  • Required Run Rate (RRR) Calculator
    Calculate the required run rate (RRR) in cricket — the runs per over a chasing team needs to win. Enter target, current score and overs remaining.
  • Semester GPA Calculator
    Calculate your credit-weighted semester GPA on a 4.0 scale. Enter each course's grade points and credit hours to get your term GPA instantly.
  • Normal Distribution Probability Calculator
    Calculate normal distribution probabilities P(X<x) and P(X>x) from a value, mean and standard deviation using the standard normal CDF.
  • Binomial Probability Calculator
    Calculate binomial probability P(X=k) for n trials with success probability p. Get exact, cumulative probabilities, mean, variance and standard deviation.
  • Arithmetic Sequence & Series Calculator
    Find the nth term and the sum of an arithmetic series from the first term, common difference, and number of terms. Free, fast, and accurate.
  • Compound Interest Calculator
    Compute compound interest with the formula A = P(1 + r/n)^(nt). Enter principal, rate, compounding frequency and years to find future value and interest.
  • Simple Interest Calculator
    Calculate simple interest with I = P·r·t. Enter principal, annual rate and time to find interest earned and the total amount A = P(1 + rt).
  • Area of a Circle Calculator
    Calculate the area of a circle from its radius using A = πr². Also returns the diameter and circumference instantly. Free online geometry tool.
  • Area of a Triangle Calculator
    Calculate the area of a triangle from its base and height using A = ½ × base × height. Fast, accurate, and works with any units.

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