Free Online Calculators for Every Need

Health & Fitness Calculators

Stay on top of your health goals with our calculators for fitness and well-being. Our health tools cover BMI, BMR, calorie needs, pregnancy, and more, making it easy to track your fitness metrics and plan for health milestones:

BMI Calculator

Assess your healthy weight range with ease.

Pregnancy Calculator

Track due dates and pregnancy milestones.

Age Difference Calculator

Compare ages between two dates or people.

Financial Calculators

Our financial calculators assist with everything from budgeting and tax calculations to loan planning and investments, helping you make informed money decisions. Use these tools to plan loans, calculate EMIs, taxes, interest, and more with ease:

Mortgage Calculator

Plan your home loan payments precisely.

EMI Calculator

Quick EMI estimates for any loan scenario.

Encryption & Decryption

Secure your data with ease – Our encryption and decryption tools allow you to convert sensitive information into secure formats and back, ensuring privacy and data protection. Whether you're encrypting passwords, text, or URLs, these tools use industry-standard algorithms (AES, DES, RSA, Base64, etc.) to keep your information safe from unauthorized access:

AES Encryption & Decryption

Secure text with AES algorithm in seconds.

DES Encryption & Decryption

Classic DES encryption for simple use.

Random Generators

Generate unpredictable results instantly – Need a random number, string, password, or name? Our random generator tools help you create unpredictable, unbiased outputs for secure passwords, simulations, games, cryptography, and more. Fully customizable, fast, and secure:

Number Generator

Random numbers for games or draws.

Animal Generator

Random animal with fun trivia.

Bible Verse Generator

Uplifting scripture at your fingertips.

Name Generator

Find the perfect name instantly.

Noun Generator

Get new nouns for creative writing.

Password Generator

Strong, random passwords in one click.

Maths Calculators

For students, professionals, or anyone dealing with numbers, our math and scientific calculators handle everything from basic arithmetic to advanced equations. These tools bring the power of a calculator right into your browser for quick problem-solving:

Time and Work

Now solve Time and Work questions easily.

Time and Distance

Now solve Time and Distance questions easily.

Other Useful Calculators

CalculateKaro also provides various other handy calculators for day-to-day use beyond finance and health. These tools make it simple to figure out dates, ages, and more in just a few clicks:

Age Difference Calculator

Compare ages between two dates or people.