Use your institution's rules
GPA scales, course weighting, rounding, and attendance requirements can differ between schools and colleges. Choose the closest matching options and compare important results with your course handbook.
OneStepKit learning tools
Student Tools for Grades, Math, and Study Planning
Choose a tool for the task in front of you—from estimating GPA and checking class attendance to planning revision, solving supported equations, measuring angles, or practising typing. Each result is based on the information you enter, so you can review the assumptions and adjust the inputs to fit your course.
Grades and attendance
Check course progress, estimate grade outcomes, and understand how credits, marks, and attendance targets affect your calculations.
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GPA Calculator
Estimate semester or cumulative GPA using course grades and credits. Select the grading scale that matches your school or college.
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Attendance Calculator
Work out attendance percentages and estimate how many classes you need to attend or can miss under your chosen target.
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Grade Predictor
Estimate the score needed on a final exam or remaining work to reach a target course grade using the weights you enter.
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Math and angle measurement
Work through mathematical expressions or measure angles for geometry, diagrams, and practical projects.
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Scientific Calculator
Evaluate supported mathematical expressions and explore graphing or equation-solving features. Check angle mode and expression syntax before using a result.
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Online Protractor & Photo Angle Finder
Measure angles on a screen or image with the available protractor tools. Camera and sensor features depend on browser permission and device support.
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Exam preparation and study planning
Organize revision around a real exam date, available study time, and the material you still need to cover.
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Exam Countdown
Set an exam date and track the time remaining so you can plan revision around your actual deadline.
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Study Planner
Turn your remaining study material and available time into a draft schedule that you can adjust as your workload changes.
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Typing practice
Build a baseline for typing speed and accuracy, then use repeat attempts to monitor your own practice.
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Free Typing Speed Test
Measure typing speed and accuracy in a timed exercise, then practise again to compare your own results.
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How to get useful results
A calculator is only as useful as the inputs and assumptions behind it. These quick checks can help you interpret a result correctly.
Check weights and units
For grade estimates, enter the correct assignment or exam weights. For scientific calculations, check the units, brackets, and degree or radian setting where relevant.
Turn estimates into a plan
Use a grade estimate to identify what to review next, and use a study plan as a starting point. Update it when deadlines, progress, or available time change.