Wondering “How old am I?” Our Age Calculator makes it effortless to calculate your exact age in years, months, and days .—just by entering your date of birth. Whether you’re planning a birthday, verifying age eligibility, or simply curious,. our online age calculator provides detailed insights in multiple time units—right down to the second.

🔢 What Can This Age Calculator Do?

Our tool is far more than a basic birthday calculator. It gives you:

• Exact age in years, months, days
• Age in months and days only
• Total days, weeks, hours, minutes, and seconds lived
• Gestational age calculator (for pregnancy tracking)
• Reverse age lookup – Find a date of birth from a known age
• Countdown to your next birthday or future event
• Supports custom “Find Age On” dates (not just today)

Whether you need an age calculator by date of birth, a gestational age calculator, or a date duration tool,. this platform does it all—accurately and instantly.

✅ All-in-One Age Calculator Online – Key Features

🎯 Who Is This Calculator For?

This tool is for everyone, including:

• Parents tracking newborn milestones (weeks/months)
• Students and teachers using age data in projects
• HR teams checking employment eligibility
• Doctors estimating gestational age
• Anyone planning birthdays, anniversaries, or major life events

Try it as your go-to age calculator app—without needing to download one.

🧠 How Age is Calculated

Our current age calculator uses two reliable approaches:

1. Standard Format
   • Assumes each year = 365 days
   • Each month = average of 30.4167 days
   • Best for general age in years/months/days
2. Exact Calculation
   • Accounts for leap years
   • Uses true calendar values for day/month variations
   • Ideal for precise duration in total days, hours, minutes, and seconds

For example, if you’re born on March 5 and today is June 7. you’ll get the full breakdown—exact years, months, and days, plus total time units if needed.

📅 Need to Calculate Time Between Dates?

You can also use this tool as a date difference calculator. It shows the number of days until or between two dates—perfect for:

• Vacation countdowns
• Project deadlines
• Upcoming holidays
• Medical follow-ups
• Maternity planning

Just enter today’s date in the “Date of Birth” field and your target date in “Find Age On.” Instantly, the calculator reveals the full time span.

👶 How Old Is My Baby?

If you’re a parent wondering “how many weeks old is my baby?” this tool makes it effortless. Enter your child’s Birth Date, and you’ll see their exact age in weeks and months—updated in real time.

This is especially helpful for:

• Pediatric appointments
• Baby milestone tracking
• Feeding and sleep schedule planning

📈 Excel Comparison: Manual vs. Automated

You can calculate age manually using Excel with formulas like =DATEDIF(A1, TODAY(), "Y") for years. But why do that when you can get:

• More detail (including hours & seconds)
• Leap year adjustments
• Automatic formatting
• Mobile access
• No formulas or spreadsheet errors

Our online age calculator is faster, more precise, and requires zero effort.

🗓️ Month-by-Month Reference Table

If you still prefer manual counting, here’s a quick guide:

But again, let the calculator do the work for you!

🔍 Common Searches Answered by This Tool:

• “Age calculator Google”
• “How old am I in days?”
• “Age calculator birthday countdown”
• “Online age calculator from DOB”
• “Age calculator 2025”
• “Age calculator by year or by date”

You won’t need to search again—our tool answers them all.

🚀 Start Calculating Now

✔ Free to use
✔ No sign-up required
✔ 100% accurate
✔ Mobile-friendly
✔ Works globally (supports all date formats)

🎯 Try the most precise, reliable, and user-friendly Age Calculator online today!