Online Calculator Tools

Smart and easy-to-use calculators for quick and accurate results.

Age Calculator

Find your exact age in years, months, and days from your date of birth.
Gratuity Calculator

Calculate your gratuity amount based on years of service and basic pay.
Salary Hike Calculator

Compute your new salary and percentage increase after a hike.

Free Online Calculators for Everyday Use

Welcome to TwinFishTech Calculator Suite — your smart toolkit for quick and precise calculations. Whether you need to calculate age, gratuity, or salary hike, our tools deliver instant and accurate results in a simple interface.

Popular Calculator Tools

We’ve designed each calculator with simplicity, accuracy, and efficiency in mind:

  • Age Calculator: Instantly find your age from your date of birth in years, months, and days.
  • Gratuity Calculator: Calculate gratuity based on your total service period and last drawn basic pay.
  • Salary Hike Calculator: Find your new salary after increment and see the exact percentage of increase.

All TwinFishTech Calculators run directly in your browser — fast, secure, and easy to use.