Fast, accurate, and easy-to-use tools for math, finance, health, education, and more. No registration required!
Get a precise Body Mass Index assessment tailored to your details. Choose Metric or Imperial units, then enter gender,…
Determine your daily calories with precision. Select Metric or Imperial units, enter gender, age, height, and weight,…
Plan your loan with confidence using a comprehensive EMI breakdown. Select currency, enter loan amount (or asset cost),…
Split dining bills fairly and tip with confidence. Select your currency, enter the bill amount, and choose service…
Shop smarter by seeing the true final price. Enter the original price, primary discount percentage, and any extra…
Estimate trip fuel expenses before you drive. Enter distance, your vehicle’s fuel efficiency (MPG), and the current…
Visualize how your money grows over time. Enter principal, annual interest rate, years, and compounding frequency…
Estimate how much you can borrow safely based on your finances. Enter monthly income and existing debts to approximate…
Estimate income tax for FY 2024–25 under the New or Old Regime using current slabs. Enter annual income, select age…
Track today’s gold prices in India at a glance. View live 22K and 24K rates with clear labeling so shoppers and…
Monitor leading cryptocurrencies in real time. Get up‑to‑date prices for Bitcoin, Ethereum, Solana, and more in INR and…
Find your precise age in years, months, and days in seconds. Simply enter your date of birth and let the calculator…
See your local weather instantly. With permission, the tool uses your device’s location to deliver a precise report…
Convert currencies with confidence using live foreign exchange rates. Enter the amount and choose your source and…
Quickly convert temperatures among Celsius, Fahrenheit, and Kelvin with scientific precision. Enter a value, choose…
Convert weights between kilograms, grams, pounds, ounces, and metric tons with instant accuracy. Enter a value, choose…
Handle everyday percentage math without mistakes. Choose the calculation type—What percent X is of Y, X percent of Y,…
Add or subtract time intervals without spreadsheets. Enter hours and minutes for the first duration, choose Add or…
Measure room and project areas with confidence. Enter length and width in feet to compute square footage instantly,…
Work with dates accurately in one place. Pick a mode—Days Between Dates, Add Days to a Date, or Subtract Days—and…
Analyze your text instantly. Paste or type content to get live counts for words and characters, plus helpful indicators…
Transform text into the exact case you need—UPPERCASE, lowercase, Title Case, Sentence case, and more. Paste your…
Estimate your Grade Point Average with clarity. Enter the number of courses to set up your term, then record each…
Turn test scores into clear grades instantly. Input your achieved score and total points to compute percentage and a…
Create clean, scannable QR codes from any URL or text in seconds. Enter your content and generate a high‑quality code…
Generate strong, unique passwords tailored to your security needs. Choose length and include uppercase, lowercase,…
Create a direct WhatsApp chat link without saving contacts. Enter the phone number with country code and optionally add…
Have fun testing name‑based compatibility scores. Enter two names to instantly generate a playful love percentage you…
Create custom memes in seconds. Upload an image, add top and bottom captions, and download a clean result ready for…
Shrink image file sizes while preserving quality. Upload a JPG, PNG, or WebP and adjust quality to balance clarity and…
CalcTools provides a growing collection of fast, accurate, and easy-to-use online calculators and converters. Whether you are planning finances, checking dates, converting units, or exploring educational math helpers, our tools are designed to give instant, reliable results on any device. Every calculator is lightweight, mobile-friendly, and optimized for performance so you can get answers without distractions, pop‑ups, or sign‑ups. From percentage and ratio calculators to health, time, and loan utilities, CalcTools helps students, professionals, and curious learners solve everyday problems quickly and confidently.
We focus on clarity and transparency: inputs are clearly labeled, outputs are formatted for readability, and sample explanations make it easy to understand how results are computed. Bookmark your favorite tools and explore categories like Finance, Math, Date & Time, Converters, and Education. New tools are added regularly based on real user needs and feedback, with careful attention to accuracy and accessibility.
Looking for something specific? Browse the full catalog from the Tools menu or discover trending picks on the homepage. If you have suggestions for a new calculator, let us know—CalcTools is built to make everyday calculations simple, fast, and dependable.