Calculators for students and teachers: grades, GPA, percentages and maths helpers.
Grades and GPA
GPA CalculatorSemester or cumulative GPA on the 4.0 scale.
Grade CalculatorWeighted course grade from assignments.
Final Grade CalculatorScore needed on your final exam.
CGPA to GPA Converter10-point CGPA to the US 4.0 scale.
Maths helpers
Percentage CalculatorPercent of, percent change and more.
Fraction CalculatorAdd, subtract, multiply and divide fractions.
Decimal to Fraction ConverterTurn decimals into fractions.
Ratio CalculatorSimplify and solve ratios.
Square Root CalculatorRoots and simplified radicals.
Average CalculatorMean, median, mode and range.
Standard Deviation CalculatorSample and population SD.
Probability CalculatorSingle and combined events.
Scientific CalculatorTrig, logs and powers.
Study and writing
Word CounterKeep to essay word limits.
Readability CheckerCheck how easy your writing is to read.
Typing Speed TestMeasure your words per minute.
A note for students
- Your school’s grading scale is the one that counts; check it if results differ.
- Use calculators to check your working, not to skip learning the method.