Calculatify
Everyday Math Made Clear
Free calculators and guides that teach you how calculations work—not just the answers. Master the math behind everyday numbers.
Visit Calculatifywww.calculatify.co
Popular Tools
Accurate tools to verify your calculations and practice what you have learned.
Percentage Calculator
Calculate discounts, taxes, and percentages instantly
Date Calculator
Find the difference between any two dates
Age Calculator
Calculate age down to the second
Random Number Generator
Generate random numbers for any use case
Discount Calculator
Quickly calculate sale prices and savings
Tip Calculator
Calculate tips and split bills easily
Featured Guides
Comprehensive guides that teach you how calculations work, not just the answers.
The Complete Percentage Guide
Master percentage calculations with our comprehensive guide. Learn the three essential formulas, real-world applications, and common mistakes to avoid.
Read Full GuideUnderstanding Date Math
From Unix timestamps to leap years, discover the science behind date calculations. Perfect for project planning and scheduling.
Read Full GuideRandom Number Science
Discover the science behind random numbers. Learn about true randomness vs pseudo-randomness, and applications in security and gaming.
Read Full GuideWhy Choose Calculatify?
Learn the Math
Not just answers—we show you the formulas and logic behind every calculation.
Instant Results
Get answers immediately with no sign-ups, no delays, and no barriers.
Comprehensive Guides
Detailed explanations covering percentages, date math, age calculations, and more.
Free to Use
Web version is free with no hidden costs. Start calculating instantly without barriers.
Start Calculating Today
No sign-up required. Free to use. Learn the math behind the numbers.
Visit Calculatify