OmniCalc

The Ultimate 100% Free & Open Calculator Suite

Precision Tools for Gym, Medical, and Finance. Free & Open To Everyone.

Theme:

STANDARD LEDGER

0

History Log

0
No calculations yet.

SCIENTIFIC CALCULATOR

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BMI ANALYTICS

YOUR BMI SCORE
Enter details
Under
<18.5
Normal
18.5-25
Over
25-30
Obese
30-35
Extreme
>35
Your personalized health tip will appear here after calculation.

DAILY CALORIE NEEDS

Harris-Benedict (Revised Mifflin-St Jeor) formula

BMR (Basal Metabolic Rate)
– kcal
DAILY MAINTENANCE (TDEE)
– kcal
Mild Loss (-250)
Fat Loss (-500)
Lean Gain (+250)
Aggressive Gain (+500)

EMI PLANNER

MONTHLY EMI
Principal
Total Interest
Total Payment

MULTI-UNIT CONVERTER

Conversion is bidirectional — edit either value.

QUICK REFERENCE

About Us

OmniCalc is a premium free-to-use digital utility engineered by Moin Ud Din Chishti to provide institutional-grade computational metrics to global tech enthusiasts, students, medical professionals, fitness practitioners, and financial analysts.

Our mission is to democratize access to accurate, instantly accessible calculation tools without the friction of installation, subscription, or advertisements. Built with modern web standards, OmniCalc operates entirely within your browser—ensuring your data never leaves your device.

From basic arithmetic ledgers to complex scientific functions, from personalized BMI health analytics to precise EMI financial planning, OmniCalc serves as your single-window computational companion for education, research, and daily decision-making.

Free forever. Open source by design. Precision by default.

Contact Us

Have questions, suggestions, or need support? Our team is ready to assist you. The fastest way to reach us is through WhatsApp, where our support team is available to address your concerns in real time.

Alternatively, you may email us at: moinuddeenchishti976@gmail.com

Privacy Policy

OmniCalc is engineered with your privacy as the highest priority. We understand the importance of safeguarding personal information in an era of pervasive data collection.

Data Processing Summary

  • 100% Client-Side Execution: All calculations are performed locally within your browser using JavaScript. No server-side processing occurs.
  • Zero Data Retention: OmniCalc does not store, log, or transmit any of your inputs, calculations, or results to external servers.
  • No Cookies or Trackers: We use no cookies, web beacons, or third-party analytics scripts. Your session remains private and unmonitored.
  • Local Storage: Calculation history (if enabled) is stored only in your browser's local storage and can be cleared at any time.

By using OmniCalc, you acknowledge that all data you enter remains exclusively on your device. We are not liable for any loss of data resulting from clearing your browser cache or using the application on shared devices.

Last Updated: January 1, 2026

Terms of Service

By accessing or using OmniCalc, you agree to the following Terms of Service. Please read them carefully before using our computational tools.

1. Educational Purpose

All outputs generated by OmniCalc—including Medical BMI classifications, Gym Calorie estimates, Financial EMI projections, and Scientific calculations—are provided for educational and informational purposes only. These outputs are derived from standardized mathematical heuristics and should not be construed as professional advice.

2. Accuracy Disclaimer

While we strive for precision, OmniCalc cannot guarantee the accuracy of outputs in all scenarios. Users assume full responsibility for verifying critical calculations with qualified professionals (e.g., medical practitioners for BMI/health metrics, financial advisors for loan/EMI calculations).

3. No Warranty

OmniCalc is provided "as is" without warranties of any kind. The developers shall not be liable for any direct, indirect, incidental, or consequential damages arising from the use of this application.

4. Intellectual Property

OmniCalc and its entire codebase are released under the MIT License, permitting free use, modification, and distribution, provided credit is given to the original author, Moin Ud Din Chishti.

5. Changes to These Terms

We reserve the right to update these Terms of Service at any time. Continued use of OmniCalc constitutes acceptance of any revised terms.

Last Updated: January 1, 2026

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