What powers calculator.io?
Last seen Jun 2026 · 15 technologies across 10 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| date calculator | #95 | 1,100 |
| fraction calculator | #14 | 1,000 |
| meters to feet | #51 | 950 |
| find percentage calculator | #91 | 870 |
| number ge | #37 | 470 |
| compute percentage increase | #45 | 420 |
| increased by percent calculator | #40 | 420 |
| round up calculator | #9 | 410 |
| percentage difference calculator | #8 | 400 |
| figure percentage increase | #43 | 320 |
| scientific number calculator | #10 | 310 |
| duration calculator date | #10 | 310 |
| time calculator by date | #21 | 250 |
| tallness calculator | #43 | 230 |
| time calculator by date | #41 | 230 |
| time and date date calculator | #31 | 230 |
| financial calculator | #97 | 210 |
| calculate standard deviation calculator | #80 | 190 |
| sd calculator | #60 | 190 |
| standard deviation calculator | #43 | 190 |
| stdev calculator | #33 | 190 |
| std dev calculator | #86 | 190 |
| time duration calculator | #19 | 180 |
| pace calculator | #98 | 140 |
| day counter | #37 | 140 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 70% phone
- 28% desktop
- 1% tablet
Indonesia
Türkiye
Vietnam
Iran
Ukraine
Thailand
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.89 / 10 · ranked #51,091 of all domains
300 referring domains · OpenPageRank
Search traffic
24,600 est. monthly organic visits (US)
13,201 keywords in Google's top 30
Core Web Vitals
| LCP | 1.9 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.8 MB · 54 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Cloudflare Browser Insights Sep 2025
- dropped Cloudflare Browser Insights Aug 2025