About CalculateToday
Your trusted companion for accurate, fast, and free online calculations
Our Mission
We believe that everyone should have access to powerful, accurate calculation tools without any barriers. CalculateToday provides free, easy-to-use calculators that help people make informed financial, health, and life decisions.
Lightning Fast
Get instant results with our optimized calculation engines. No waiting, no delays - just immediate, accurate answers.
100% Accurate
Our calculators use industry-standard formulas and are regularly tested to ensure the highest level of accuracy you can trust.
Always Free
All our calculators are completely free to use, with no hidden fees, subscriptions, or premium features locked behind paywalls.
What We Offer
Financial Calculators
Make informed financial decisions with our comprehensive suite of calculators including mortgage, retirement, loan, and investment tools.
- • Mortgage payment calculators
- • Retirement planning tools
- • Loan and interest calculators
- • Investment return projections
Health & Fitness
Take control of your health with calculators for BMI, calorie needs, ideal weight, and other important health metrics.
- • BMI and body composition
- • Calorie and metabolism calculators
- • Ideal weight ranges
- • Fitness goal tracking
Time & Planning
Plan your life events and manage time effectively with our event countdown, date calculators, and planning tools.
- • Event countdown timers
- • Date and age calculators
- • Project planning tools
- • Budget breakdown helpers
Utility Tools
Everyday calculation tools for unit conversion, recipe scaling, and other practical applications.
- • Unit conversions
- • Recipe scaling
- • Percentage calculators
- • Math and science tools
Built with Modern Technology
CalculateToday is built using cutting-edge web technologies to ensure fast performance, security, and accessibility across all devices and browsers.
Have a Question or Suggestion?
We're always looking to improve our calculators and add new tools that help our users.