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Every free tool on Student Toolbox — GPA calculators, grade calculators, graders and countdowns. All work right in your browser, no sign-up needed.
All Calculators & Tools
International GPA Converter
Convert percentage, 10-point CGPA, 7-point, 4.3 and 5.0 scales to the 4.0 GPA scale.
Try it nowCGPA Calculator (10-Point)
Indian/university 10-point CGPA. Calculate SGPA, save semesters, track cumulative CGPA.
Try it nowGPA ↔ Percentage Converter
Convert your 4.0 GPA to percentage, or percentage back to 4.0 GPA — full US reference table.
Try it nowTarget GPA Calculator
What GPA do you need this semester to hit your target? Or project your GPA after this term.
Try it nowUF GPA Calculator
University of Florida GPA — UF's 1/3-point scale, no A+, E for failing.
Try it nowASU GPA Calculator
Arizona State GPA — A+ = 4.33 (capped 4.0), no C-/D+/D-.
Try it nowPurdue GPA Calculator
Purdue University GPA — 0.3-point scale where A+ = A = 4.0.
Try it nowUT Austin GPA Calculator
University of Texas at Austin GPA — 4.0 scale with full plus/minus, no A+.
Try it nowTexas A&M GPA Calculator
Texas A&M GPA — simple A/B/C/D/F scale, no plus/minus for undergrads.
Try it nowPenn State GPA Calculator
Penn State GPA — 4.0 scale with plus/minus, no C-, D+, or D- grades.
Try it nowOhio State GPA Calculator
Ohio State GPA — uses E (not F) for failing, no A+ or D- grades.
Try it nowMichigan State GPA Calculator
MSU GPA — 4.0 scale with A+ = 4.33 and full plus/minus range.
Try it nowRutgers GPA Calculator
Rutgers GPA — half-point increments (B+=3.5, C+=2.5), no minus grades.
Try it nowMaryland (UMD) GPA Calculator
UMD GPA — full plus/minus scale, A+ = 4.0 (same as A).
Try it nowUW GPA Calculator
Washington GPA — numerical 0.1-step system, B+ = 3.4 (unique).
Try it nowIndiana University GPA Calculator
IU Bloomington GPA — full plus/minus scale, A+ = 4.0 (same as A).
Try it nowMinnesota (UMN) GPA Calculator
UMN GPA — standard 4.0 scale with one-third-point increments.
Try it nowUniversity of Toronto GPA Calculator
U of T GPA — 4.0 scale with full plus/minus, A+ = 4.0 (same as A).
Try it nowUBC GPA Calculator
UBC GPA — 4.33 scale (A+ = 4.33), percentage-based grading.
Try it nowMcGill GPA Calculator
McGill GPA — 4.0 scale, no A+, no C-/D+/D- grades.
Try it nowUniversity of Alberta GPA Calculator
U of A GPA — 4.0 scale with full plus/minus, A+ = 4.0.
Try it nowWaterloo GPA Calculator
Waterloo GPA — percentage-based (0-100), standard Ontario letter equivalents.
Try it nowMonash GPA Calculator
Monash 4.0 GPA — HD=4.0, D=3.0, C=2.0, P=1.0. HD threshold at 80%.
Try it nowUniMelb GPA Calculator
Melbourne 7.0 GPA — H1=7.0, H2A=6.0, H2B=5.0. WAM also available.
Try it nowUSyd WAM Calculator
Sydney WAM — no GPA, Weighted Average Mark from actual marks.
Try it nowUNSW WAM Calculator
UNSW WAM — Weighted Average Mark, no official GPA. Mark × UOC.
Try it nowUQ GPA Calculator
Queensland 7.0 GPA — numbered grades 1-7, 4 is a pass, 7 is HD.
Try it nowOxford GPA Calculator
Oxford UK degree classification → 4.0 GPA. First=4.0, 2:1=3.3–3.7.
Try it nowCambridge GPA Calculator
Cambridge tripos classification → 4.0 GPA. First=4.0, 2:1=3.3–3.7.
Try it nowUCL GPA Calculator
UCL classification → 4.0 GPA using UCL's official international conversion table.
Try it nowUCLA GPA Calculator
UCLA 4.0 GPA — standard +/−, A+ = A = 4.0. 0.3-point increments.
Try it nowUC Berkeley GPA Calculator
UC Berkeley 4.0 GPA — standard +/−, A+ = A = 4.0. 0.3-point increments.
Try it nowSemester GPA Calculator
Add courses, letter grades and credits to get your semester GPA instantly.
Try it nowCumulative GPA Calculator
Combine your previous GPA and credits with this semester to see your overall GPA.
Try it nowWeighted GPA Calculator
Honors and AP/IB weighting on the 5.0 scale — weighted and unweighted GPA together.
Try it nowLetter Grade to GPA
Convert any letter grade to grade points on the 4.0 scale, with the full reference table.
Try it nowFinal Grade Calculator
What do you need on the final to hit your target grade? Simple and weighted modes.
Try it nowEasy Grader
Grade a test in seconds: total questions + wrong answers = percentage and letter grade.
Try it nowGCSE Grade Calculator
Estimate your GCSE grade on the 9–1 scale from marks or percentage.
Try it nowSAT Score Calculator
Convert raw correct answers to Digital SAT scaled scores (200–800 per section, 400–1600 total).
Try it nowACT to SAT Converter
Convert ACT composite scores to equivalent SAT scores using the official College Board concordance table.
Try it nowChristmas Countdown
How many days until Christmas? Live countdown that rolls over to next year automatically.
Try it nowDays Until Calculator
Count down to any date — exams, trips, deadlines, holidays. Shareable links included.
Try it nowDate Calculator
Add or subtract days, weeks, or months from any date — 90 days from today, deadlines, anniversaries.
Try it nowAge Calculator
Calculate exact age in years, months, days from your date of birth. Next birthday countdown.
Try it nowGuides
Understand the math behind the tools — GPA conversion, final exam formulas, and holiday countdowns.