Who runs this site
CalculioHub is designed, written, and maintained by Mohit, founder & builder. Mohit designs and ships CalculioHub as a practical alternative to gated converter sites and opaque calculators. He prioritizes readable formulas, private in-browser processing, and guides that explain when a number is useful—and when it is not.
There is no anonymous content farm behind the pages. If something is wrong with a formula, a converter edge case, or a guide, you can reach a real person at calculiohub.support@gmail.com or via the Contact page.
What we publish
The library focuses on three jobs people actually need done:
- Money & work planning — emergency runway, debt payoff order, freelance true rate, SaaS burn, and related decision tools.
- Fitness phase planning — bulk/cut macros, reverse diet, and calorie targets with clear caveats.
- Private-minded converters — PDF, HEIC, and media tools that prefer in-browser processing so sensitive files are not casually uploaded.
Alongside the tools we publish original guides with worked examples, pitfalls, and judgment calls calculators cannot make for you.
How we think about accuracy
Calculators show transparent relationships between inputs and outputs. They are planning aids—not tax filing software, lending approval, medical advice, or legal counsel. Guides and the Disclaimer spell out those limits. When a jurisdiction rule is simplified, we aim to say so on the tool page.
What we stand for
- Clarity: readable formulas and editable inputs so you can sensitivity-test assumptions.
- Privacy: no mandatory account for core tools; file work stays local when the architecture allows.
- Substance: fewer hollow keyword pages; more explanations people can finish and use.
- Free: core converters and planners without subscription walls or watermarks.
Start here
- Guides — editorial explainers
- Money milestones — runway and savings planners
- Life questions — retirement year, days alive, small money habits
- Unit converters — length, mass, temperature, area, digital storage, time, and energy
- Fitness planners — macros and phases
- HEIC to JPG and PDF ↔ text