Last updated: May 24, 2026

📰 CalcHub Press Kit

One-Line Description

"CalcHub is a free educational resource offering 98 online calculators, 25 expert-reviewed comparison guides, and 30 finance/health/business blog articles — used by everyone from students to homebuyers to small-business owners."

Project Facts (May 2026)

Boilerplate (Copy-Paste Ready)

Short (50 words)

CalcHub (calc-center.party) is a free online resource offering 98 calculators across finance, health, business, real estate, and education, plus 25 in-depth "X vs Y" comparison guides and a 90-term glossary. All content is reviewed by an editorial team of four credentialed experts.

Long (120 words)

CalcHub is a free educational web platform offering 98 online calculators spanning personal finance, health and fitness, business operations, real estate, construction, automotive, education, lifestyle, cooking, gaming, science, and utilities. Beyond calculators, the site publishes 25 expert-reviewed "X vs Y" comparison guides (e.g., 401(k) vs Roth 401(k), 15-year vs 30-year mortgage), 30 long-form blog articles, a 90-term glossary, and 8 public JSON API endpoints for developers. All content is created and reviewed by a four-person editorial team holding CPA, RD/PhD, real-estate broker, and Master's in Education credentials. The site is mobile-responsive, WCAG 2.1 AA compliant, available as a Progressive Web App, and is free for both commercial and personal use.

Downloadable Logos

Brand Colors

• Primary Cyan: #06b6d4 — used for accents, links, CTAs, and the wordmark gradient start.
• Secondary Cyan: #0891b2 — used for hover states, secondary buttons.
• Light Cyan: #7dd3fc — used for nav-link hover, wordmark gradient end.
• Dark Slate: #0f172a — used for headers, body text, dark-mode bg.
• Mid Slate: #64748b — used for body text, timestamps, secondary info.
• Background Gradient: #fdf2f8 → #fce7f3 → #f0fdfa — site-wide page bg.

Typography

Primary Typeface: Inter (Google Fonts), weights 300, 400, 500, 600, 700, 800. Used for headings and body throughout the site.

Editorial Team

Sample Calculator URLs (for embedding or linking)

https://calc-center.party/calculators/bmi-calculator.html
https://calc-center.party/calculators/mortgage-calculator.html
https://calc-center.party/calculators/compound-interest-calculator.html
https://calc-center.party/calculators/calorie-calculator.html
https://calc-center.party/calculators/tax-calculator.html
https://calc-center.party/calculators/loan-payment-calculator.html
https://calc-center.party/calculators/retirement-calculator.html
https://calc-center.party/calculators/net-worth-calculator.html

Embedding Calculators

You can embed any CalcHub calculator on your own site as an iframe — free for commercial and personal use. Use our embed generator to copy and customize the code.

Sample embed snippet:

<iframe src="https://calc-center.party/calculators/bmi-calculator.html?embed=1"
        width="100%" height="700" frameborder="0"
        style="border:0;border-radius:8px;">
</iframe>

API Access

8 free JSON endpoints (no API key, no rate limit, CORS-enabled) cover 2026 US tax brackets, mortgage rates, BMI categories, heart-rate zones, TDEE multipliers, compounding frequencies, pregnancy data, and 30 currency symbols. Full details at /api/.

Editorial Contact

For interview requests, partnership opportunities, custom calculator builds, or detailed factual questions, please use our contact page. We typically reply within 48 hours.

Citation Guidelines

If you cite CalcHub in an article or research, please include:

• Author name (from /authors/) if quoting a specific guide
• Article title and publication date
• URL of the specific page (not just calc-center.party)
• Access date

Example citation: Mitchell, S. (2026, May 17). "Complete Guide to Mortgage Calculations." CalcHub. Retrieved May 24, 2026, from https://calc-center.party/blog/articles/mortgage-guide.html

License & Reuse

All CalcHub content (calculators, articles, glossary, comparison guides) is free for both commercial and personal use. Logos may be used in articles about CalcHub without prior permission. For derivative works (modified calculators, translated articles), please contact us first.