OmniCalc Hub

Simple solutions for daily complex problems.

Privacy Policy

Last Updated: January 2026

Your privacy is our priority. Unlike other tool sites, OmniCalc Hub operates entirely in your browser:

No Data Collection: We do not store your salary, sleep times, or health data.
No Accounts: You don't need to log in to use our tools.
Local Processing: All calculations are done using JavaScript on your device.

We use basic analytics (like Vercel Analytics) to see how many people visit, but no personal information is tracked.

Terms of Service

1. Use of Tools: These calculators are for informational purposes only.

2. Health Disclaimer: The Sleep and Caffeine tools are based on general averages. Consult a professional for medical advice.

3. Accuracy: While we strive for mathematical precision, we are not responsible for meeting costs or missed sleep cycles based on our calculations.

4. License: You are free to use these tools for personal or professional use.

Sleep Cycle Calculator

I want to wake up at:

Meeting Cost Ticker

Attendees: Avg Annual Salary ($):

Caffeine Half-Life Tracker

Mg of Caffeine (Coffee ≈ 100mg): Hours since you drank it:

Expert Guides & Resources

Understanding Sleep Cycles

Learn the science behind the 90-minute cycle and how it affects your morning energy...

The Caffeine Decay Formula

Why caffeine has a 6-hour half-life and what that means for your deep sleep tonight...