Overview The Calculator is a fully functional four-operation calculator with full keyboard support, a two-line display showing both expression and result, thousands-separator formatting, scientific notation for large numbers, and a scrollable calculation history that lets you reload previous results. How…
Overview This dual-purpose time tool combines a precision stopwatch with a countdown timer in a single interface. The stopwatch records lap times for sports and productivity tracking, while the countdown timer features an animated progress ring and an alarm notification…
Overview The Base Converter translates numbers between the four most important numeral systems in computing and mathematics: Binary (base-2), Octal (base-8), Decimal (base-10), and Hexadecimal (base-16). It also displays a binary bit visualization for values up to 16 bits. How…
Overview The Multiplication Table generator produces either a focused single-number table or a complete n×n grid. It is a helpful learning and reference tool for students, teachers, and anyone who wants to quickly visualize multiplication relationships up to any number.…
Overview The Tip Calculator makes it easy to split restaurant bills and calculate gratuity. It supports custom tip percentages, per-person bill splitting up to 10 people, and includes quick-select buttons for the most common tip rates — 15%, 18%, and…
Overview The Currency Converter provides quick reference exchange rates between 12 major world currencies, including USD, EUR, GBP, JPY, CNY, AUD, CAD, CHF, HKD, SGD, KRW, and INR. It includes flag emojis for easy visual identification and supports both directions…
Overview The Loan Calculator helps users understand the true cost of borrowing money. By entering a loan amount, annual interest rate, and repayment period, users receive a complete breakdown of monthly payments, total interest paid, and total repayment amount —…
Overview The Length Converter allows users to convert a measurement into nine different units simultaneously — covering metric, imperial, and astronomical scales. It’s ideal for engineers, students, designers, and anyone working across different unit systems. How to Use Select a…
Overview The Temperature Converter provides instant, real-time conversion between Celsius, Fahrenheit, and Kelvin — the three temperature scales used in everyday life, scientific research, and engineering. Contextual notes help users understand each converted value in practical terms. How to Use…
BMI categories table for adults (age ≥ 20) BMI Category BMI Range(kg/m2) Health risk Underweight 18.4 and below Malnutrition risk Normal weight 18.5 – 24.9 Low risk Overweight 25 – 29.9 Enchanced risk Moderately obese 30 – 34.9 Medium risk…