100% in-browser
Education Tools
Free study and school calculators that run entirely in your browser — GPA, final and weighted grades, typing speed, reading time, fractions with steps, and a full statistics suite (p-values, confidence intervals, z-scores). No sign-up, nothing uploaded.
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GPA Calculator
Calculate your GPA from course grades and credit hours on a 4.0, 4.3, 5.0 or 10-point scale.
🎯Final Grade Calculator
Find out what score you need on the final exam to reach your desired course grade.
📊Weighted Grade Calculator
Compute your current course grade from category scores and syllabus weights, with letter grade and remaining-weight projection.
✅Test Grade Calculator (Easy Grader)
Enter total questions and how many are wrong or right to get the percentage, letter grade and a full EZ-grader chart.
📈Target GPA Planner
See what GPA you must average over your remaining credits to reach a target cumulative GPA.
⌨️Typing Speed Test (WPM)
Test your typing speed in 30, 60 or 120 seconds with live WPM and accuracy tracking.
📖Reading Time Calculator
Estimate how long a text takes to read silently or to deliver as a speech, from pasted text or a word count.
📄Words to Pages Converter
Convert a word count into estimated pages — or pages into words — for any font, size and line spacing.
📚Citation Generator (APA & MLA)
Format book, website and journal citations in APA 7 or MLA 9 — reference entry plus in-text citation.
½Fraction Calculator with Steps
Add, subtract, multiply, divide and simplify fractions and mixed numbers with step-by-step working.
≈9Significant Figures Calculator
Count the significant figures in a number and round it to any number of sig figs, with the rules explained.
÷)Long Division Calculator with Steps
Divide two whole numbers with the full long-division layout, quotient, remainder, decimal and fraction forms.
p=P-value Calculator
Convert a z, t, chi-square or F test statistic into left-, right- and two-tailed p-values with a significance verdict.
±Confidence Interval Calculator
Compute a confidence interval for a mean from its standard deviation and sample size, using the z or t distribution.
zZ-Score Calculator
Convert a raw value to a z-score (or back) and see its percentile and tail probability on the normal curve.
n=Sample Size Calculator
Find the survey sample size needed for a chosen confidence level and margin of error, with finite-population correction.
χ²Chi-Square Test Calculator
Run a chi-square test of independence on a contingency table: χ² statistic, degrees of freedom and p-value.