Education & Reference

Student Calculator Hub

Last updated 2026-08-25 · benchmark measured 2026-08-25 — deterministic & reproducible

Free online calculators for students covering grades, GPA, attendance, and more.

Is Student Calculator Hub production-ready?

Legit.Show scores Student Calculator Hub 85 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Student Calculator Hub (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Performance; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 100/100
• Accessibility — 96/100
• Security — 45/100
• Privacy — 100/100
• Reliability — 100/100
• Standards — 85/100
• Discoverability — 72/100

What we measured

• Security headers present: HSTS.
• No Content-Security-Policy.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 175 ms to first byte.
• Returns a proper 404 for unknown routes.
• 3 of 3 sampled routes reachable.
• Has a reachable privacy policy.
• Sets cookies / loads scripts with no consent prompt.

Who it's for

Students · Parents · Teachers

Pricing

Free

Visit Student Calculator Hub → · Alternatives to Student Calculator Hub → · How this was measured →