Student Toolkit
Everyday math, scheduling and word-count tools for homework and coursework, curated in one toolkit.
Percentage Calculator
Calculate percentages quickly and for free.
Average Calculator
Calculate mean, median, mode and range from a list of numbers.
Fraction Calculator
Add, subtract, multiply or divide two fractions.
Ratio Calculator
Simplify a ratio or solve for a missing value in a proportion.
Unit Converter
Convert length, weight, and temperature units instantly, for free.
Date Difference Calculator
Find the number of years, months and days between two dates.
Working Days Calculator
Count business days between two dates, excluding weekends and holidays.
Countdown Timer
Count down live to a future date and time in days, hours, minutes and seconds.
Prime Number Generator
Generate the first N prime numbers instantly.
Fibonacci Sequence Generator
Generate the first N Fibonacci numbers, exactly.
Pi Digit Generator
Get the first N decimal digits of pi, verified and exact.
Word Counter
Count words, characters, sentences, paragraphs and reading time live.
Who this collection is for
Students who need quick, exact math for homework and everyday calculations — percentages, fractions, averages, unit conversions — plus a few date and number tools that come up in coursework.
What's in the toolkit
Everyday math: Percentage Calculator, Fraction Calculator, Average Calculator and Ratio Calculator handle the calculations that show up across almost every subject. Unit Converter switches between metric and imperial units for science and engineering coursework. Scheduling and deadlines: Date Difference Calculator counts the days until an exam or deadline, Working Days Calculator excludes weekends when planning a study schedule, and Countdown Timer runs a live countdown to a specific date. Number theory: Prime Number Generator, Fibonacci Sequence Generator and Pi Digit Generator are useful for math assignments that go beyond basic arithmetic. Word Counter checks an essay or assignment against a required word count.
A typical workflow
Use Percentage Calculator or Fraction Calculator to check homework answers before submitting them. Run Date Difference Calculator to see exactly how many days remain until an exam, then Working Days Calculator to plan a realistic study schedule around it. Before turning in an essay, run it through Word Counter to confirm it meets the assignment's length requirement.