Fast, accurate, and easy-to-use calculators, converters, and generators. No sign-up required.
Calculate percentages, percentage increase/decrease, and find what percentage one number is of another.
Create GST-ready professional invoices in Indian Rupees. Automatic totals, clean layout, and instant invoice preview for Indian businesses.
Analyze your daily Indian diet to identify vitamin and mineral deficiencies. Compare your food intake with official Indian RDA guidelines and get practical food
Calculate your ideal daily macros with instant precision. Get personalized protein, carb, and fat targets based on your age, weight, activity, and fitness goals
Get started in seconds with our simple 4-step process
Find your tool using search or browse by category
Input your values in the simple, intuitive form
Instant, accurate calculations with detailed explanations
Copy results, share links, or download reports
Find the perfect tool for your needs
Health calculators, BMI, calorie counters, and fitness tools
Financial calculators, EMI, SIP, loan, and investment tools
Construction calculators, area, volume, and material estimators
Mathematical calculators, percentages, fractions, and statistics
Developer tools, JSON formatter, base64, hash generators
Text tools, case converters, word counters, and formatters
Our most-used calculators and utilities
Calculate the true value of your investments by adjusting returns for inflation. See both nominal and growth to understand the actual purchasing power of money.
Instantly calculate the return on investment (ROI) for any project, business, or financial decision.
Format, beautify, and validate XML/HTML with syntax highlighting. Supports minification and custom indentation.
Check how compatible two people are in love by analyzing their names and dates of birth.
A fast and accurate Tip Calculator to compute tip amount, total bill, and per-person share instantly for restaurants, cafés, bars, and dining worldwide.
Format, validate, and beautify JSON data. Minify or prettify JSON with syntax highlighting. Perfect for developers working with APIs and data.
Tools that are gaining popularity
Calculate percentages, percentage increase/decrease, and find what percentage one number is of another.
Create GST-ready professional invoices in Indian Rupees. Automatic totals, clean layout, and instant invoice preview for Indian businesses.
Analyze your daily Indian diet to identify vitamin and mineral deficiencies. Compare your food intake with official Indian RDA guidelines and get practical food
Calculate your ideal daily macros with instant precision. Get personalized protein, carb, and fat targets based on your age, weight, activity, and fitness goals
Check out our latest additions
Calculate your Instagram engagement rate instantly. Analyze likes, comments, shares, and saves to understand how well your content performs.
Calculate your bar’s gross profit, margin percentage, and cost efficiency instantly. Identify profit leaks and improve bar profitability with ease.
Calculate your screen age and see how daily screen time, sleep, and habits impact your ageing, focus, and long-term digital health.
Calculate email campaign revenue, profit, and ROI instantly. Analyze opens, clicks, conversions, and investment to optimize email marketing performance.