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CALCURON Fast, focused online tools.
No Accounts • No Tracking • Zero Data Stored

Calcuron – Analytics Made Simple

A growing collection of fast, privacy-first calculators, generators and converters. No accounts, no stored data, and no background tracking — everything runs directly in your browser.

⚡ Fast, Static Tools 🛡 No Accounts, No Tracking, No Stored Personal Data 📱 Optimized for Mobile

What you can do here

Use Calcuron for quick everyday calculations:

  • Calculate your age in years, months, and days
  • Estimate BMI using feet, inches, and pounds
  • Plan loans and monthly payments
  • Convert units, compute tips, and generate passwords
  • Estimate your Mortgage Loan Pre-Approval amount
  • Estimate your Tax Withholdings
  • Calculate your Return on Investment
  • Convert cooking measurements
  • Create a weekly & yearly budget planner
  • Calculate sleep, water intake, calorie burn, and Heart Rate Zone

Core tools

Instant calculations right on the homepage. Open full pages for extended versions.

🎂 Age Calculator

Type your date of birth to see your exact age in years, months, and days.

Type your birth date — slashes will auto-fill (e.g., 04/15/1990).
Enter your birth date and tap “Calculate Age”.

⚖️ BMI Calculator

Estimate your Body Mass Index using height in feet/inches and weight in pounds.

Enter height in feet and inches (e.g., 5 ft 9 in).
Enter your height and weight, then tap “Calculate BMI”.

🏦 Loan Calculator

Estimate your monthly payment, total paid, and total interest for a fixed-rate loan.

Enter loan details and tap “Calculate Payment”.

📏 Unit Converter

Convert length, weight, and temperature using a compact, fast converter.

Choose a category, units, and value to convert.

💸 Tip Calculator

Split the bill and calculate tip amount per person in seconds.

Enter bill info and tap “Calculate Tip”.

🔐 Password Generator

Create strong random passwords generated entirely in your browser.




Choose options and tap “Generate Password”.

🧮 Basic Calculator

Quick four-function calculator for everyday arithmetic.

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You can also use your keyboard: digits, +, −, ×, ÷, Enter, Backspace, and Esc.

📈 Compound Interest

Estimate future value with compound interest and optional monthly contributions.

Optional — leave at 0 for no additional contributions.
Enter your starting balance, contributions, rate, and years.