CalcFormula
300+ free construction & electrical calculators
Details
- External ID
- 1255445
- Source
- PH
- Company
- —
- Product
- CalcFormula
- Website domain
- producthunt.com
- Launched
- Sept. 20, 2026
- Cohort
- —
- Upvotes
- 1
- Upvotes percentile
- 0.30815693820825313
- Tags
- Web App, Education, Construction
- Fetched at
- Sept. 21, 2026, 5:01 p.m.
- Updated at
- Sept. 21, 2026, 5:01 p.m.
Description
CalcFormula is a free calculator site for construction and electrical work — over 300 tools covering concrete, framing, slope, drainage, steel weight, and pipe sizing. What makes it different: every formula is checked against real sources (ACI, IBC/IRC, ASTM, ASME) instead of copied from other sites, and many tools go further than typical competitors — multiple shapes, flexible unit entry, reverse-solve modes — instead of one rigid input path. No signup, no paywall, just the math done right.
Enrichment
- Theme
- specialized calculators and estimation tools
- Vertical
- Construction
- Function
- Workflow automation
- Audience
- Prosumer
- AI stance
- Not AI
- Project type
- Hobby / open-source project
- Normalized one-liner
- online calculators for construction and electrical work
- Manually corrected
- False
Could you build this?
Yes This is a collection of static mathematical formulas implemented in client-side JavaScript or a standard web framework.
Competitors
Other products that read as similar to this one — 213 launches clear the similarity bar, closest 8 shown.
Attention rank: #52 of 214 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 320 days after the earliest competitor.
- Construction Calculator USA · ph · 2026-09-24 · 1 upvotes · similarity 0.58
- GQ Calc · ph · 2026-09-11 · 1 upvotes · similarity 0.57
- TrustTheCalcs · ph · 2026-09-30 · 1 upvotes · similarity 0.55
- Rabeekit · ph · 2026-09-22 · 2 upvotes · similarity 0.54
- CalcProMaster — 1200+ Free Calculators · ph · 2026-09-22 · 1 upvotes · similarity 0.53
- Calc Tools Base · ph · 2026-09-20 · 1 upvotes · similarity 0.52
- Conduitfilltool · ph · 2026-09-10 · 1 upvotes · similarity 0.52
- Clear Calc - Native Calculator · ph · 2026-09-10 · 2 upvotes · similarity 0.50
Other launches for this product
- No other launches for this product.
Same idea, different domain
Nobody's really built a workflow automation tool for Real estate yet.