Ratkio
Calculations you can understand, not just answers
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Useful online calculators for business, finance, mathematics, science, and more. Ratkio is a growing library of practical calculators for business, finance, mathematics, science, and everyday questions. It is built to give you more than a number: each calculator aims to make the method, assumptions, and result easier to understand.
PH · launched Sep 17, 2026 · 2 upvotes (top 26%) · 0 views
Niche: online calculation tools · 320 launches, 42 in the last 7 days ▲ +8% · Explore this niche →
Category and tags
- Horizontal
- Analytics & BI
- B2C
- Not AI
- Commercial product
- Productivity
- User Experience
- Education
Visit website ↗ Source listing ↗
More like this: all 320 launches in online calculation tools →
Could you build this?
Yes A web calculator directory with explanatory text and interactive input forms is classic frontend code easily generated via AI assistants.
Competitors
Other products that read as similar to this one : 304 launches clear the similarity bar, closest 8 shown.
Attention rank: #33 of 305 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 297 days after the earliest competitor.
- Calculator · ph · 2026-09-07 · 1 upvotes · similarity 0.53
- Calculaxy · ph · 2026-09-20 · 1 upvotes · similarity 0.49
- Numylo · ph · 2026-11-14 · 1 upvotes · similarity 0.49
- Formularyo · ph · 2026-09-27 · 1 upvotes · similarity 0.49
- Calculator Hub · ph · 2026-09-18 · 1 upvotes · similarity 0.48
- Free Online Scientific Calculator · ph · 2026-09-09 · 1 upvotes · similarity 0.45
- CalcAhead · ph · 2026-09-24 · 1 upvotes · similarity 0.44
- All Calculator Tools · ph · 2026-10-06 · 1 upvotes · similarity 0.44
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.