About
A small network of honest calculators.
40 interactive tools with visible math, assumptions, and practical limits. Tools that rely on regulatory, dataset, or manufacturer values identify those sources. No accounts. No newsletters. Results appear without an email gate.
Who built this
The site is built and maintained by Andromeda Kinship. The focus is depth over breadth: 40 tools audited carefully, not five hundred made shallow.
BenchCalcs (formerly styled "calcnet") is published at benchcalcs.com and operated by Andromeda Kinship.
Reach the operator at [email protected].
How the math is built
Each calculator has a pure TypeScript calculation module with explicit regression tests. The formulas and assumptions draw on references such as ACI 318, ADA 2010 Standards for Accessible Design, NREL National Solar Radiation Database, USDA hardiness maps, Lincoln Electric and Miller Electric manufacturer datasheets, and additive manufacturer publications. Math is not copyrightable (Baker v. Selden); proprietary table layouts are not reproduced.
Data licensing
The data sources and licensing page lists the primary regulatory, licensing-sensitive, and technical references that need centralized attribution. Calculator pages also explain their formula, assumptions, and model-review date.
Affiliate disclosure
Most calculators link to a small set of vendor products and services
relevant to the calculation. Some of those links pay a small commission
if you make a purchase. Affiliate links are marked
rel="nofollow sponsored" per Google's link-attribution
guidelines. The full disclosure lives on the
disclosure page.
What's intentionally not here
- No login or account. Calculator math runs locally. Copying a share link places the current non-empty inputs in its URL, which the recipient and ordinary network or hosting services may see.
- Limited first-party analytics. Cloudflare Web Analytics is enabled through automatic setup and described by Cloudflare as cookie-free. Hosting and advertising providers may still process request, device, and advertising data as explained in the privacy policy.
- No newsletters. There is no email signup anywhere on the site.
- No unattended publishing. AI tooling may assist a draft, but generated content cannot reach production without human factual and editorial review.
If you find a math error
Email [email protected] with the calculator, the inputs, your expected output, and the reference you used. The fix usually ships the same week.