Countdown Timer Generator - Create Custom Countdowns

Calculate your age instantly from your date of birth. Find your age in years, months, and days. Includes next birthday countdown and lifetime statistics.

Calculate days between dates with our free date calculator. Find date differences, add or subtract days from dates, and calculate working days.

Calculate days between two dates instantly. Find date difference in days, weeks, months, and years. Includes working days and countdown options.

Calculate time differences, add/subtract time, and convert time units with our free time calculator. Perfect for calculating work hours, time zones, and more.

Convert time between different time zones instantly. Meeting planner functionality with multiple zone comparison. Worldwide timezone support.

Calculate date 90 days from any date instantly. Court date calculator, business day calculator, and forward/backward date calculation.

Calculate duration between two dates and times instantly. Display in days, hours, minutes, and seconds. Perfect for event planning.

Add or subtract time easily. Calculate hours, minutes, and seconds. Perfect for work shifts, time tracking, cooking, and project planning.

Calculate business days between dates instantly. Exclude weekends and holidays. Perfect for project planning and deadline calculations.

Calculate your BMI (Body Mass Index) instantly. Support for metric (kg/cm) and imperial (lbs/ft) units. Get health category and risk assessment.

Calculate your daily calorie needs instantly. TDEE calculator with BMR, macros, and weight goals. Support for metric and imperial units.

Calculate your TDEE (Total Daily Energy Expenditure) instantly. Discover exactly how many calories you burn daily based on your activity level and plan your nutrition accordingly.

Calculate your daily calorie needs for weight loss with our free weight loss calculator. Get personalized targets based on your age, gender, activity level, and goals.

Calculate your GPA instantly. Support for weighted and unweighted GPA. Multiple courses, cumulative GPA, and grade tracking.

Calculate your final grade with our free grade calculator. Determine what you need on your final exam to achieve your desired course grade.

Generate secure random passwords instantly. Customizable length, characters, and strength. Copy to clipboard. Free password generator.

Free online percentage calculator. Calculate percentage increase, decrease, difference and more. Fast, accurate results for all your percentage calculations.

Free random number generator. Generate random numbers within a custom range. Choose quantity, unique numbers, and sorting options. No download required.