Cycling through all six. Tap any point to stop.
Measured on six things
Free online grade calculator for students and teachers.
Growth
58Real, recurring problem with a specific audience (students, teachers, parents) and a genuine wedge vs RogerHub: breadth across assessment types and four grading systems. Domain is ~0.6 years old — early, but the idea itself has room.
Screenshots
1 / 1
About this app
The Easy Grade Calculator is a free, no-signup web tool that instantly converts raw test scores into percentages, letter grades, and GPA estimates. It supports US A-F, 4.0 GPA, Pakistan/India board, and UK grading systems, with a 10-point and 7-point scale. The EZ Grader mode works by entering total questions and the number missed to get instant results. I've used it as a teacher to grade quizzes and by hand it would take minutes, but this does it in seconds. The interface is clean, mobile-friendly, and completely ad-light. It's a digital replacement for the classic EZ Grader wheel. For weighted or GPA calculations, you need to use the percentage as a starting point. It doesn't store your data, which is a plus for privacy. Overall, it's a reliable, straightforward tool that saves time and reduces errors.
Key features
- 1Instant grade conversion from raw marks to percentage, letter grade and GPA estimate — no signup required.
- 2Supports US A-F, 4.0 GPA, Pakistan/India board and UK grading systems, with 10-point and 7-point scales.
- 3EZ Grader mode: enter total questions and number missed to get instant results, replacing the classic grading wheel.
Target customer profile
Drawn from the product itself, not from a survey.
Demographic
High school and college students
Pain points
Manual grade calculation is slow and error-prone; tracking performance across multiple courses is confusing.
Primary needs
Quick, accurate grade conversion to percentage and letter grade; ability to plan for target grades.
Demographic
Teachers and tutors
Pain points
Grading many papers manually takes hours; calculating weighted averages is tedious and mistakes can affect fairness.
Primary needs
Fast, reliable test and quiz scoring; easy conversion to letter grades for record-keeping.
Demographic
Parents checking results
Pain points
Not familiar with grading scales; unsure how to interpret raw scores.
Primary needs
Simple, clear explanation of percentage and letter grade; easy to use without technical skills.
Scout Review
Written by AI from measured evidence, scored out of 100.
Easy Grade Calculator is a fast, free, no-signup grade converter that does exactly what it says. The calculator is above the fold, supports US A-F, 4.0 GPA, Pakistan/India board and UK systems, and handles both 10-point and 7-point scales. It loads in under a second on mobile with a Lighthouse performance score of 97, which is genuinely impressive for a free tool. The design is clean but anonymous, the page is padded with repetitive SEO sections, and there's no documentation, accessibility statement or published security posture beyond the basics. Against RogerHub it wins on breadth; against GradeCalc.info it wins on interface. It's a competent, useful utility that punches above its weight on speed and below its weight on polish and transparency. If you need a grade converted right now, it works. If you need to trust it with anything, there's nothing to trust it with — which is arguably the point.
Measure by measure
Usability
68Calculator sits above the fold, no signup, two clear modes (Marks and EZ Grader), four grading systems and 10/7-point scales. Instant results with chart and remarks toggles. No docs or help center beyond the on-page how-to.
Design
62Clean single-column layout with a card-style calculator, readable type and disciplined spacing. Branding is thin — no logo, no hero art — and the page is padded with repetitive SEO blocks that dilute the visual hierarchy.
Speed
88Lighthouse mobile 97/100 and desktop 99/100, with LCP 2.3s, CLS 0, TBT 2ms and FCP 929ms. Static HTML with inline calculator logic — no framework bloat, no third-party script pile-up. Among the fastest tools in this category.
Security
60HTTPS enforced with HSTS, plus frame protection, X-Content-Type-Options and Referrer-Policy. Missing CSP and Permissions-Policy, and no SPF or DMARC records. No SOC 2, ISO or pen-test claims. Low-risk surface since nothing is stored.
Accessibility
78Lighthouse accessibility 95/100. Native form inputs and buttons are keyboard-reachable. Two failing audits: insufficient color contrast and non-sequential heading order. No WCAG statement or multi-language support published.
Growth
58Real, recurring problem with a specific audience (students, teachers, parents) and a genuine wedge vs RogerHub: breadth across assessment types and four grading systems. Domain is ~0.6 years old — early, but the idea itself has room.
Improvement areas
- No weighted-grade or GPA calculator mode — users must convert to percentage first, which reintroduces manual math.
- Missing security headers (CSP, Permissions-Policy) and DNS records (SPF, DMARC); no published security or privacy documentation.
- No accessibility statement or WCAG claim, and two Lighthouse a11y failures (contrast, heading order) remain unfixed.
Design & Usability
The site is a single-purpose calculator dressed up as a content site. The calculator itself is well-placed — above the fold, no signup, two clear modes (Marks and EZ Grader), four grading systems and both 10-point and 7-point scales. Results render instantly with optional grading chart and remarks toggles, and there's a Reset button, which is the kind of small thing that separates a real tool from a demo. Where it falls down is the page around the tool. The visual design is competent but anonymous: no logo, no illustration, no hero beyond a wordmark and a form. Below the calculator, the page becomes a wall of near-identical SEO sections — test grade calculator, exam grade calculator, quiz grade calculator, final, midterm, semester, assignment, course, college, AP, APUSH — each one a rephrasing of the same paragraph. It works for search, but it makes the product look thinner than it is. There's also no help center or docs beyond the on-page four-step how-to, which is fine for a calculator this simple but leaves nothing to link to when something confuses a user.
Speed & Security
Speed is the standout. Lighthouse mobile performance is 97/100 and desktop 99/100, with LCP 2.3s, CLS 0, TBT 2ms and FCP 929ms — near-perfect Core Web Vitals and clearly ahead of the category norm for free calculator sites, which often carry ad scripts and analytics bloat. The page is essentially static HTML with inline calculator logic, which is exactly the right architecture for this job. Security is adequate but unremarkable. HTTPS is enforced with HSTS, and frame protection, X-Content-Type-Options and Referrer-Policy are all set. Missing: Content-Security-Policy and Permissions-Policy headers, and there are no SPF or DMARC DNS records, which means the domain can be spoofed in email. There's no SOC 2, ISO 27001, pen-test report or bug bounty — normal for a free tool at this stage, and the risk surface is small since the site claims not to store user data. But the privacy claim is self-reported; there's no third-party audit backing it, and no security page explaining data handling in detail.
Accessibility & Growth
Accessibility scores 95/100 on Lighthouse, which is strong. The two failing audits are insufficient color contrast and non-sequential heading order — both common, both fixable, neither catastrophic. The calculator uses native form inputs and buttons, so keyboard navigation works by default, and the responsive layout means it's usable on phones and tablets. What's missing is the paperwork: no accessibility statement, no WCAG conformance claim, no multi-language support despite the site explicitly targeting Pakistan and India board grading systems. Growth is the interesting question. The problem is real and recurring — students, teachers and parents all need raw scores converted to grades, and doing it by hand is slow and error-prone. The wedge against RogerHub is breadth: RogerHub is a final-exam calculator, this covers tests, quizzes, midterms, semesters, assignments and four different grading systems. That's a genuine differentiator, not a marketing claim. The limit is that the category is crowded with free tools and the switching cost is zero, so the only moat is search ranking and habit. The domain is roughly six months old, which is early but not disqualifying.
Conclusion
The honest read: this is a well-built free tool that solves a small, real problem quickly and doesn't ask anything of you in return. No account, no data stored, no paywall, no ad wall. The speed is genuinely best-in-class and the grading-system coverage is broader than its main competitor. What holds it back is everything around the calculator — the anonymous design, the SEO-padded page, the absent docs, the missing accessibility and security disclosures. None of those are dealbreakers for a tool this simple, but they're the difference between 'a useful page I bookmarked' and 'a product I'd recommend by name.' Worth using. Worth improving.
Suggestions for improvement
- Publish a short accessibility statement and fix the two Lighthouse failures: color contrast and heading order.
- Add a Content-Security-Policy and Permissions-Policy header, plus SPF and DMARC DNS records — all free, all quick.
- Replace the eleven near-identical SEO sections with a single well-structured section plus a real FAQ.
- Add a lightweight weighted-grade and GPA calculator mode so users don't have to convert to percentage first.
Alternatives comparison
Named competitors, point by point. Nobody paid to appear here or to be left out.
 Easy Grade Calculator (EZ Grader) |  RogerHub Final Grade Calculator |  GradeCalc.info | |
|---|---|---|---|
| Primary use case | General grade conversion across tests, quizzes, exams, semesters and assignments | Calculates what score is needed on the final exam to hit a target overall grade | Broad grade, GPA and weighted-grade calculators for students |
| Grading systems supported | US A-F, 4.0 GPA, Pakistan/India board, UK system; 10-point and 7-point scales | US percentage and letter-grade based; focused on final-exam weighting | US-centric percentage, letter grade and GPA scales |
| Signup required | No — fully usable without an account | No — instant calculator, no account | No — instant calculators, no account |
| Weighted / GPA calculation | GPA estimate only; weighted averages require converting to percentage first | Handles weighted final-exam scenarios with current grade and target grade | Full weighted-grade and GPA calculators with category weighting |
| Interface and mobile experience | Clean card layout, responsive, Lighthouse mobile performance 97/100 | Functional but dated layout; mobile usable, not optimized | Dense, older-style interface with many fields per page |
| Data storage and privacy | Claims no data storage; no account, no tracking of entered scores | Client-side calculation; no account required | Client-side calculation; no account required |
RogerHub Final Grade Calculator
A popular tool that calculates what you need on the final exam to achieve a desired overall grade. It's more focused on final exam scenarios, while Easy Grade Calculator handles a broader range of assessments.
GradeCalc.info
Offers various grade calculators including GPA and weighted grade tools. It provides more advanced features but has a less modern interface compared to Easy Grade Calculator.
Comparing options? See Easy Grade Calculator (EZ Grader) alternatives, scored side by side
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