Life Tools
Everyday calculators and converters — unit and currency conversion, QR code generator, financial, health and math calculators, time and date tools, random generators.
Unit Converters
Data Storage Converter — Bytes, KB, MB, GB, TB, PB
Convert between bytes, KB, MB, GB, TB, and PB. Supports binary (1024) and decimal (1000) systems. Understand OS vs manufacturer capacity differences.
Speed Converter — Convert km/h, mph, m/s, Knots, Mach
Convert between kilometers per hour, miles per hour, meters per second, knots, feet per second, and Mach number. Essential for travel and aviation.
Unit Converter — Length, Weight, Temperature, Volume, Area
Convert between metric and imperial units for length, weight, temperature, volume, and area. Instant, accurate, and easy to use. Browser-based.
Financial Calculators
Loan Calculator — Calculate Monthly Payment & Total Cost
Calculate monthly payments, total interest, and total cost for mortgages, auto loans, and personal loans. Instant amortization schedule preview.
Profit Margin Calculator — Calculate Gross & Net Margin
Calculate gross and net profit margins. Compute profit percentage, markup, and break-even analysis. Essential for business planning and pricing.
Tax Calculator — Calculate VAT, Sales Tax & Income Tax
Calculate VAT, sales tax, and income tax. Add or remove tax from amounts with multiple rates and reverse calculations. Instant results.
Health Calculators
Age Calculator — Exact Age in Years, Months & Days
Calculate your exact age from any birth date. Shows age in years, months, days, and total days lived. Find age difference between two dates. 100% browser-based.
BMI Calculator — Calculate Body Mass Index & Health Status
Calculate Body Mass Index using metric (kg/cm) or imperial (lb/ft-in) units. Instantly shows BMI category and health risk assessment. Browser-based.
Calorie Calculator — Calculate Daily Intake & TDEE Online
Calculate daily calorie needs and TDEE based on Mifflin-St Jeor equation. Supports weight loss, gain, and maintenance goals. Results in your browser.
Math Calculators
Date Calculator — Calculate Days, Business Days & More
Calculate the difference between two dates. Count total days, business days, and weekends. Create countdown timers for upcoming events. Browser-based.
Discount Calculator — Calculate Sale Price & Savings
Calculate sale prices and savings from discount percentages. Find original price from discounted price. Supports multiple discounts. Browser-based.
Fraction Calculator — Add, Subtract, Multiply & Divide
Perform all fraction operations: add, subtract, multiply, and divide. Simplify fractions and find common denominators. Runs locally in your browser.
Percentage Calculator — Increase, Decrease & Ratio
Calculate percentage increase, decrease, ratio, and change rate. Find what percent one number is of another. All calculations run in your browser.
Tip Calculator — Calculate Tips, Split Bills & Tax
Calculate tips and split bills among multiple people. Supports tip percentage, tax calculation, and bill sharing. All calculations in your browser.
Time Management
Time Zone Converter — Convert Time Between Cities Online
Convert time between different time zones and cities worldwide. Supports 30+ time zones including UTC, GMT, EST, CST, PST, CET, JST.
World Clock — View Time Zones & Multiple Cities Online
View current time in multiple cities simultaneously. Features real-time updates, DST detection, 12/24 hour toggle, and quick city search.
Generators
Barcode Generator — Create Barcodes for Products Online
Create barcodes for products, inventory, and retail. Supports UPC-A, EAN-13, Code128, Code39, and ITF formats. Download as PNG. Runs in your browser.
QR Code Generator — Create QR for URL, Text, WiFi Free
Create QR codes for URLs, text, WiFi credentials, and vCard contacts. Download as PNG. No data sent to server — all generation in your browser.
Random Number Generator — Generate Numbers in Range
Generate random numbers within a custom range. Supports unique numbers, decimals, and multiple distributions. Perfect for games and simulations.