Calculators & Timers
Age calculator, BMI, countdown timer, and more
Age Calculator
Calculate your exact age in years, months, days, hours, and seconds
BMI Calculator
Calculate your Body Mass Index and find your healthy weight range
Countdown Timer
Create countdown timers for any event or special date
Timezone Converter
Convert time between different time zones around the world
Hijri Gregorian Date Converter
Convert dates between the Islamic Hijri calendar and the Gregorian calendar
Random Generator
Generate random numbers, roll dice, flip coins, and create passwords
Accurate Online Calculators for Everyday Needs
Calculate BMI, age, dates, timezones, and Hijri calendar conversions with precision and ease
Diverse Calculations
Comprehensive calculator suite including BMI calculator with WHO standards, age calculator with precise day counting, date calculator for adding/subtracting days, timezone converter supporting all global zones, Hijri-Gregorian calendar converter, date difference calculator, and leap year checker. All calculators provide instant results with detailed explanations and multiple unit options.
Quick Results
Get accurate calculations instantly without manual math. Avoid errors in date and time conversions across timezones. Make informed health decisions with BMI calculations. Plan events accurately with date calculations. Convert between calendar systems effortlessly. Access reliable tools from any device without app installations. Save time on everyday calculations.
Daily Life Tools
Perfect for fitness enthusiasts tracking BMI and health metrics, travelers coordinating across timezones, event planners calculating date ranges, Muslims converting prayer times and religious dates, HR professionals calculating age for records, project managers determining project durations, and students solving date and time problems for coursework.
Simple Interface
Enter your values in the input fields provided by each calculator. Select units or options as needed (metric/imperial, timezone regions, calendar types). Click calculate to receive instant, accurate results. View detailed explanations and interpretations where applicable. Use additional features like date ranges or timezone comparisons for comprehensive analysis.
Calculator FAQ
How accurate is the BMI calculator?▼
Our BMI calculator uses the standard WHO formula: weight (kg) / height (m)². It provides accurate BMI values with health category classifications (underweight, normal, overweight, obese). Results include metric and imperial units with detailed health interpretations.
Can I convert Hijri dates to Gregorian?▼
Yes, our Hijri calendar converter handles bidirectional conversion between Islamic and Gregorian calendars. It accounts for moon sighting variations and provides accurate date conversions for religious observances, historical dates, and event planning across both calendar systems.
Does the timezone converter handle daylight saving time?▼
Absolutely. Our timezone converter automatically accounts for daylight saving time (DST) changes across all regions. It updates based on current DST rules and provides accurate time conversions for scheduling meetings and coordinating across global time zones.