156+ professional calculators, converters and smart tools across 18 categories. All calculations run privately in your browser — no accounts, no data collection, no paywalls. Free forever, available in 16 languages.
Calculora has 1 plan: a free plan. We have not recorded a price change.
Last 1 recorded changes
| Date | Plan | Change | Old | New | Δ% |
|---|---|---|---|---|---|
| Jun 20, 2026 | Free | New plan | — | — | — |
No confirmed alternatives yet.