Free · No sign-up · Private
Free tools
Calculators and utilities built for students. Every tool is free, needs no sign-up, and runs entirely in your browser — nothing you type is uploaded anywhere.
Percentage Calculator
Calculate percentages instantly — what is X% of Y, percentage increase/decrease, and what percent one number is of another.
Open toolAge Calculator
Find your exact age in years, months, and days from your date of birth — plus total days lived.
Open toolCGPA Calculator
Calculate your Cumulative Grade Point Average from course credit hours and grades. Supports custom grade scales.
Open toolGPA Calculator
Calculate your semester GPA from this term's courses, credit hours, and grades.
Open toolWord Counter
Count words, characters, sentences, and paragraphs as you type — handy for essays and assignments.
Open toolCharacter Counter
Count characters with and without spaces — perfect for bios, tweets, and meta descriptions.
Open toolUnit Converter
Convert length, weight, temperature, and data units instantly.
Open toolStudy Time Calculator
Plan your study week: enter subjects and available hours to get a balanced schedule suggestion.
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