Study and school calculators
Work out weighted grades and GPA, find the mark you need in a final exam, convert grading scales between countries and plan revision time.
GPA Calculator
Calculate your GPA on a 4.0, 5.0 or 10-point scale. Enter grades and credit hours to get a weighted…
Weighted Grade Calculator
Calculate your overall course grade from weighted components like homework, midterms and finals. See…
Final Exam Grade Calculator
Calculate the score you need on your final exam to achieve a target course grade. Shows a scenario…
Test Score Calculator
Convert correct and wrong answers into a percentage score and letter grade. Supports penalty for wrong…
Grade Conversion Calculator
Convert grades between UK classification, US GPA, German Note, Turkish 100-point and ECTS scales…
Turkish Exam Net Calculator
Calculate your net score for Turkish university entrance exams (TYT/AYT). Applies the standard ¼ wrong…
German Grade Average Calculator
Calculate your German Notendurchschnitt (grade average) with optional credit weighting. Shows…
About Study & school tools
Grading systems differ wildly between countries: a German 1.0 is an excellent result, a UK 70% is a first, and a 4.0 GPA is the American top mark. These tools handle the weighting maths and the conversions between systems, so you can see where you stand and what you still need.