Popular Online Tools
Welcome to our Popular Online Tools section — your go-to hub for smart, fast, and reliable online calculators and utilities. Whether you’re tracking your health, managing time, making financial decisions, or working with color and data — our tools are designed to save you time and effort.
From the easy-to-use Body Mass Index (BMI) Calculator to our handy Tip Calculator for restaurants and bills — we offer a wide range of free tools built for everyday needs.
Need to calculate how long something took? Use our precise Date & Time Duration Calculator, Multiple Time Duration Calculator, or the Standard Time Duration Calculator. Prefer to work with decimals? We’ve got the Decimal to Time Calculator and Time to Decimal Converter too!
Curious about your age down to the exact day? Try the Chronological Age Calculator. Need a random result fast? Flip a virtual coin with our Coin Toss Tool.
For designers and developers, we have the Color Picker and Color Chart with HEX, RGB, HSL Codes — ideal for quick color referencing and choosing perfect shades.
Looking for advanced functions? Head over to our powerful and free Scientific Calculator, perfect for students, engineers, and anyone who needs serious calculating power.
Explore all the tools above and supercharge your daily calculations — all in one place, all for free!
Body Mass Index Calculator
Quickly calculate your BMI using our Body Mass Index Calculator. Get your health category in seconds – free, accurate, and mobile-friendly.
Tip Calculator
Tip Calculator helps you quickly calculate the tip amount and total bill by applying your chosen tip percentage to the original bill—fast and accurate.
Color Chart With HEX, RGB, HSL Code
Explore color representations with HEX, RGB & HSL codes. Adjust hue, saturation, and brightness using our interactive color chart interface.
Date and Time Duration Calculator
Calculate the time intervals between two different dates and times with our Date and Time Duration Calculator. It provides precise results. Try It.
Add Multiple Time Duration Calculator
Use our Multiple Time Duration Calculator to find and sum intervals between multiple times. Get results in HH:MM:SS, hours, minutes, & seconds.
Time Duration Calculator
Find the time duration between two different times with our Time Duration Calculator. Results are shown in HH:MM:SS, Hours, Minutes, Seconds.
Decimal to Time Calculator
Easily convert decimal time to hh:mm:ss format with our Decimal to Time Calculator. Get accurate results with options for seconds & hundredths.
Convert Time to Decimal
Use our tool to Convert Time to Decimal format. Easily transform hh:mm:ss into decimal hours, minutes, or seconds for accurate time tracking.
Chronological Age Calculator | Date of Birth Calculator
Calculate your exact age with our Chronological Age Calculator. Enter your dob and any specific date to get your age in years, months, and days.
Flip a Coin (Online Toss)
Use our Flip A Coin tool to make quick decisions with a virtual coin toss. Perfect for choosing who goes first in a game, it records each result.
Color Picker
Generate color codes in RGB, HSL, HSV, CMYK & Hex formats with our Color Picker Tool. Ideal for designers, developers & precise color selection.
Scientific Calculator Online
Use our free Scientific Calculator Online for accurate calculations, including trigonometry, exponents, logarithms, factorials, gamma, and more.