Free Online Calculators

Track real-time cryptocurrency prices, market caps, and portfolio performance. Monitor Bitcoin, Ethereum, and thousands of cryptocurrencies with live charts, price alerts, and portfolio management.

Calculate missing dimensions, resize images and videos proportionally, or convert between different aspect ratios. Supports common ratios like 16:9, 4:3, and golden ratio.

Convert between hourly, monthly, and annual salary with tax considerations

Convert between currencies with real-time exchange rates

Calculate monthly mortgage payments, interest, and affordability with detailed breakdown

Calculate final grades, GPA, and weighted averages for students

Calculate compound interest, future value, and investment returns

Calculate income tax, deductions, and tax refunds for different brackets

Calculate Body Mass Index, ideal weight, and health status with detailed analysis

Calculate percentages, percentage change, increase/decrease, and percentage of a number

Calculate exact age in years, months, days, and more. Find your zodiac sign and next birthday

Calculate daily calorie needs, BMR, TDEE, and macro requirements for your fitness goals

Calculate loan payments, interest rates, and amortization schedules for various loan types

Calculate tips and split bills with customizable tip percentage and party size

Convert between units of length, weight, temperature, and more

Advanced calculator with scientific functions, memory, and history

Calculate date differences, add/subtract days, and date formatting

Discover your destiny with our comprehensive numerology calculator! Choose between sacred Indian Chaldean or International Pythagorean systems. Get your Life Path, Expression, and Soul Urge numbers with detailed personality analysis, career guidance, and relationship compatibility insights.

Create your complete Vedic birth chart instantly! Get accurate rashi (moon sign), nakshatra (birth star), and lagna (ascendant) calculations with detailed dosha analysis. Includes traditional gemstone recommendations, spiritual remedies, and marriage compatibility insights from authentic Indian Jyotish astrology.