Life Tools
Everyday utility tools for tracking milestones. Calculate age in years, months, and days with the age calculator, find durations with the date calculator, and track health indexes. Simple utilities to check your exact age, count down the days to your next birthday, or calculate differences between calendar dates.
Age Calculator
Calculate your exact age in years, months, days, minutes, and count down to your next birthday.
Date Calculator
Add or subtract days, weeks, months, or years from any given date to find a target date.
Birthday Countdown
Find out exactly how many days, hours, and minutes remain until your next birthday.
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between two dates.
Pregnancy Calculator
Calculate your estimated due date, gestational age, and track weekly progress with baby size milestones.
Stopwatch & Timer
Track time with a high-precision stopwatch or set custom countdown timers. Supports Picture-in-Picture system-wide overlay, lap splits, and audio alarms.
Internet Speed Test
Measure your internet connection download speed, upload speed, ping latency, and jitter in real-time with an active oscilloscope waveform.
Life Tools FAQ
Quick answers regarding delivery timelines, hydration, and other everyday calculations.
How long will mail take from zip code to zip code?
Mail delivery time depends on the carrier service (like USPS, FedEx, or UPS). Standard USPS First-Class mail generally takes 1 to 5 business days within the contiguous United States, while Priority Mail takes 1 to 3 days. You can estimate transit times using our date calculator or checking official carrier mapping tools.
How much water to drink a day calculator?
A general rule of thumb is to drink about 8 to 12 cups (64 to 96 ounces) of water daily. However, individual water needs depend on your weight, activity level, and climate. A standard formula recommends drinking 0.5 to 1 ounce of water per pound of body weight daily.