CheckBodyScore
Age Calculator
Your Exact Age
Time Elapsed
You have been alive for -- days!
Accurately Calculate Age from Date of Birth (DOB)
The **Age Calculator** provides your precise **exact age** in years, months, and days based on your **date of birth (DOB)** and a chosen calculation date. This tool is a simple utility, essential for legal documents, personal records, and general curiosity about the **time elapsed** since you were born. Unlike simple subtraction of years, this calculator accurately accounts for leap years and varying month lengths.
Understanding Exact Age Calculation
Calculating **exact age** requires precise accounting for the time difference between the **DOB** and the target date. The core process involves:
- **Years:** Subtracting the DOB year from the target year.
- **Months/Days:** Adjusting the year based on whether the birthday has passed in the target year.
- **Total Days:** Converting the total **time elapsed** into days, which is the most precise measure of age.
You can use the **Age Calculator** for a simple **birthday countdown** by setting the calculation date to a future birthday, or to find the **exact age** of anyone on any past date.
The Importance of Age in Health Calculations
**Age** is a fundamental input in nearly all health and fitness metrics, such as the **Basal Metabolic Rate (BMR)**, **Target Heart Rate**, and cardiovascular risk scores (like the **Heart Age**). Use this tool to get an accurate **date of birth** calculation before using other tools in our suite.
Age Calculator FAQs
The **Age Calculator** allows you to determine your **exact age** not just for **today's date**, but for any date in the past or future. This is useful for knowing how old you were when a specific event occurred or predicting your age at a future milestone.
The **Age Calculator** uses modern date functions that automatically handle the complexities of **leap years** and month lengths, ensuring the calculation of **time elapsed** in total days is accurate, which forms the basis for your **exact age** in years and months.
The most precise way to state your age is by listing the total number of days elapsed since your **date of birth (DOB)**. However, the most conventional is years, months, and days, which the **Age Calculator** provides.