Math Calculators
Percentages, fractions, GPA, dates and grades: free calculators that show the formula.
Percentage Calculator
7 percentage calculators: % of, % change, what %, add/subtract %, two reverse % boxes and % difference.
Use Calculator āFraction Calculator
Add, subtract, multiply, divide fractions ā auto-simplified with mixed number output.
Use Calculator āSquare Root Calculator
ā square root, ā cube root, and nĀ² squared ā with perfect square detection.
Use Calculator āGPA Calculator
Weighted GPA on a 4.0 scale ā add courses, credit hours and letter grades.
Use Calculator āAge Calculator
Exact age in years, months, days ā plus total days lived and next birthday countdown.
Use Calculator āDate Calculator
Days, weeks, months, years between any two dates. Includes working days.
Use Calculator āFinal Grade Calculator
What score do you need on your final exam to hit your target course grade?
Use Calculator āDiscount Calculator
Sale price from % off, or find what discount was applied. Quick % buttons.
Use Calculator āWord Counter
Count words, characters, sentences, paragraphs and reading time for any text.
Use Calculator āPassword Generator
Cryptographically random passwords ā choose length, character types, one-click copy.
Use Calculator āScientific Calculator
Trig, log, ln, powers, roots, Ļ, e ā full keyboard support
Use Calculator āRecipe Converter
Scale any recipe up or down ā all ingredient amounts update instantly
Use Calculator āCups to Grams Converter
Convert cooking measurements for 18 common baking ingredients
Use Calculator ā