Education Calculators
Students face a surprising amount of math outside the classroom: calculating what grade you need on the final to pass, figuring out your GPA for scholarship applications, estimating how many hours to study for each class, or understanding the long-term cost of student loans. Our education calculators are built for students, parents, and teachers who want clear answers without the guesswork. From weighted grade averages and SAT score targets to reading time estimates and attendance tracking, these tools help you plan your academic journey with confidence and avoid costly surprises when the report card arrives.
204 calculators available
Pregnancy Countdown Calculator — Track Your Due Date
Calculate days and weeks remaining until your due date. Track pregnancy progress by trimester and plan your final weeks with confidence.
Pressure Converter Calculator — Convert PSI, Bar, Pascal
Convert between pressure units instantly: Pa, kPa, MPa, bar, psi, atm, torr, and ksi. Free online pressure converter for engineering and scientific use.
Pressure Unit Conversion Calculator — Pa, PSI, Bar
Convert between Pascal, kPa, MPa, bar, PSI, atm, Torr, and inHg instantly. Free online pressure unit converter for engineering use.
PSI Conversion Calculator — Convert Pressure Units
Convert PSI to bar, kPa, MPa, atm, mmHg and more. Fast, accurate pressure unit conversions for automotive, industrial, and engineering use.
PX to EM Converter Calculator — CSS Unit Conversion
Convert pixels to em units instantly with customizable base font size. Perfect for responsive web design and CSS typography scaling.
Quantity Converter Calculator — Dozens, Gross, Reams
Convert between each, pair, dozen, gross, score, ream, and thousand. Fast quantity unit conversions for inventory and bulk orders.
Quarantine Books Calculator — Plan Your Reading Stack
Calculate how many books you need for quarantine based on your reading speed, daily page goals, and average book length.
Radiation Dose Converter — Gy, Sv, Rad, Rem Units
Convert between Gray, Sievert, Rad, Rem, mGy, mSv, μGy, and μSv radiation dose units. Free instant radiation unit converter for medical and safety use.
Reading Speed Calculator — Measure Your WPM
Calculate your reading speed in words per minute (WPM). Enter any word count and reading time to get instant WPM results and speed benchmarks.
Reading Time Calculator — Words to Minutes
Estimate how long it takes to read any text. Enter word count and your reading speed to calculate reading time for articles, books, essays, and documents.
Reverse Text Generator — Flip Words & Characters Online
Reverse text by characters, words, or lines instantly. Free online tool for creating mirrored text, coding experiments, and word games.
Reverse Time Calculator — Find Start Time
Calculate what time to begin a task by entering the finish time and duration. Supports 12-hour and 24-hour clock formats.
RMS to Watts Calculator — Convert Audio Power
Convert RMS watts to peak watts or peak to RMS for sine, square, and triangle waveforms. Get accurate audio power ratings instantly.
Roman Numerals Calculator — Convert Numbers to Roman Numerals
Convert between decimal numbers and Roman numerals with our easy-to-use calculator. Supports numbers from 1 to 3999.
SAT Score Calculator — Raw to Scaled Conversion
Estimate your SAT score from raw correct answers. Convert raw scores to scaled section scores for Evidence-Based Reading and Writing and Math.
Scholarship GPA Calculator — Target Grades Needed
Calculate the GPA you need to earn or maintain a scholarship. See what grades you need in remaining courses to hit your scholarship GPA target.
Sex Calculator — Chinese Gender Predictor Chart
Predict your baby's sex using the traditional Chinese gender chart. Enter mother's age and conception month for an instant prediction.
Sex Ratio Calculator — Population Demographics Tool
Calculate the sex ratio of any population group. Enter male and female counts to get the ratio per 100 females, percentage breakdown, and demographic insights.