Calculators
Percentage, age, BMI, loans, interest, dates and more with step-by-step results. All 10 tools below run 100% in your browser — free, instant and private.
Percentage Calculator
Calculate percentages, increases, decreases and differences with steps shown.
Age Calculator
Calculate exact age in years, months, days — plus countdown to next birthday.
BMI Calculator
Calculate Body Mass Index with metric or imperial units and WHO categories.
Loan EMI Calculator
Calculate monthly loan payments, total interest and an amortization view.
Tip Calculator
Calculate tips and split bills between any number of people.
Compound Interest Calculator
Project investment growth with compounding and optional monthly contributions.
Discount Calculator
Calculate sale prices, savings and stacked discounts instantly.
Date Difference Calculator
Count days, weeks, months and years between two dates.
GPA Calculator
Calculate your Grade Point Average on a 4.0 scale with weighted credits.
Fuel Cost Calculator
Estimate fuel cost for any trip from distance, efficiency and fuel price.
Explore other categories
Text Tools
Count, convert, clean, encode and transform text instantly.
11 toolsImage Tools
Compress, resize and convert images privately — files never leave your device.
6 toolsConverters
Units, colors, number bases, Roman numerals and Morse code.
6 toolsDeveloper Tools
JSON, regex, UUIDs, timestamps, JWT, Markdown, CSS and encoding utilities.
10 tools