KnownSum
Free US tax and money calculators
Details
- External ID
- 1257106
- Source
- PH
- Company
- —
- Product
- KnownSum
- Website domain
- producthunt.com
- Launched
- Sept. 25, 2026
- Cohort
- —
- Upvotes
- 1
- Upvotes percentile
- 0.30815693820825313
- Tags
- Web App, Productivity, Accounting
- Fetched at
- Sept. 26, 2026, 10:53 p.m.
- Updated at
- Sept. 26, 2026, 10:53 p.m.
Description
Free US tax and money calculators, updated for the 2026 rules. Work out what you owe, what you keep, and what you can claim.
Enrichment
- Theme
- calculators and financial estimation tools
- Vertical
- Fintech
- Function
- Analytics & BI
- Audience
- B2C
- AI stance
- Not AI
- Project type
- Hobby / open-source project
- Normalized one-liner
- tax and financial calculators for us consumers
- Manually corrected
- False
Could you build this?
Yes Tax calculation logic and modern form calculators can be directly translated into client-side JavaScript or simple backend math based on publicly available IRS guidelines.
Competitors
Other products that read as similar to this one — 433 launches clear the similarity bar, closest 8 shown.
Attention rank: #111 of 434 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 321 days after the earliest competitor.
- Tax Calculator · ph · 2026-09-30 · 1 upvotes · similarity 0.66
- DollarCalcs · ph · 2026-09-08 · 1 upvotes · similarity 0.65
- Calculadoras Financieras · ph · 2026-09-22 · 1 upvotes · similarity 0.63
- UniversalCalc · ph · 2026-09-15 · 2 upvotes · similarity 0.63
- CalculatorsHub · ph · 2026-09-19 · 1 upvotes · similarity 0.63
- CalculatorBooth · ph · 2026-09-30 · 1 upvotes · similarity 0.62
- CalcAhead · ph · 2026-09-24 · 1 upvotes · similarity 0.62
- Calc Tools Base · ph · 2026-09-20 · 1 upvotes · similarity 0.62
Other launches for this product
- No other launches for this product.
Same idea, different domain
Nobody's really built a analytics & bi tool for Legal yet.