Life Tools
Calculators and converters: unit and currency conversion, QR generator, financial, health and math calculators, time and date tools, random generators.
Unit Converters
Data Storage Converter: Bytes, KB, MB, GB, TB, PB, EB
Data storage converter online: convert bytes, KB, MB, GB, TB, PB, and EB in binary (1024) or decimal (1000) for disk, cloud, and download math.
Speed Converter: km/h, mph, m/s, Knots & Mach Online
Speed converter online: convert between km/h, mph, m/s, knots, and Mach with instant results, formulas, and common value presets.
Unit Converter: Length, Weight, Temperature, Volume, Area
Unit converter online: convert length, weight, temperature, volume, and area units with instant accurate results and metric-imperial support.
Financial Calculators
Loan Calculator: Calculate Monthly Payment & Total Cost
Loan calculator online: calculate monthly payments, interest, and total cost for mortgages and personal loans with amortization.
Profit Margin Calculator: Calculate Gross & Net Margin
Profit margin calculator online: calculate gross and net margin, markup, and profit from cost and revenue inputs. See margin and markup side by side.
Tax Calculator: Calculate VAT, Sales Tax & Income Tax
Tax calculator online: calculate VAT, sales tax, and income tax with rate presets and reverse calculation from total prices.
Health Calculators
Age Calculator: Exact Age by Date of Birth, Years & Days
Age calculator online: calculate exact age in years, months, and days from date of birth, with age difference between dates.
BMI Calculator: Calculate Body Mass Index & Health Status
BMI calculator online: calculate body mass index for men and women with metric or imperial units, plus health category results.
Calorie Calculator: Daily Intake & TDEE for Weight Loss
Calorie calculator online: estimate daily calorie needs and TDEE with BMR formulas for weight loss, gain, and maintenance goals.
Math Calculators
Date Calculator: Days Between Dates & Countdown Timer
Date calculator online: find days between two dates, count business days and weekends, and run a live countdown timer for upcoming events.
Discount Calculator: Calculate Sale Price & Savings Online
Discount calculator online: calculate sale price, savings, and original price with percentage discounts and tax support.
Fraction Calculator: Add, Subtract, Multiply & Divide
Fraction calculator online: add, subtract, multiply, and divide fractions with automatic simplification and decimal equivalents.
Percentage Calculator: Increase, Decrease & Ratio Online
Percentage calculator online: calculate percentage increase, decrease, change, and ratios with step-by-step formulas for any numbers.
Tip Calculator: Calculate Tips, Split Bills, Tax & More
Tip calculator online: calculate tip amounts and split bills among multiple people, with tax and custom tip percentages.
Time Management
Time Zone Converter: Time Between Cities & Zones Online
Time zone converter online: convert time between cities and 28 time zones with DST support, and compare UTC offsets instantly.
World Clock: View Time Zones & Multiple Cities Online
World clock online: view current time across multiple cities and time zones, with seconds display, DST awareness, and 24-hour formats.
Generators
Barcode Generator: Create Barcodes for Products Online
Create UPC-A, EAN-13, Code128, Code39, and ITF barcodes online for your products, with instant PNG download for labels and inventory tracking.
QR Code Generator Online: Create QR for URL, Text, WiFi
QR code generator online: create QR codes for URLs, plain text, WiFi, and vCards, choose the pixel size, and download as PNG.
QR Code Decoder: Read QR Codes from Photos & Images Online
QR code decoder online: read QR codes from images and screenshots, extracting URLs, WiFi configs, vCards, and plain text.
Random Number Generator: Generate Numbers in Range
Random number generator online: generate random numbers in custom ranges like 1-10 or 1-100, with unique and decimal options.