Now combine the functions into practical Excel projects.

Project 1 — Age Calculator

Name

DOB

As On Date

Age

Amit

15-Mar-1995

28-Sep-2026

 

Neha

10-Jul-2000

28-Sep-2026

 

Rahul

22-Jan-1988

28-Sep-2026

 

Formula:

=DATEDIF(B2,C2,”Y”)

Project 2 — Employee Experience Calculator

Employee

Joining Date

As On Date

Experience

Amit

10-Jun-2018

28-Sep-2026

 

Neha

15-Jan-2021

28-Sep-2026

 

Rahul

01-Apr-2016

28-Sep-2026

 

Calculate:

  • Complete Years
  • Complete Months
  • Total Days

Project 3 — Attendance Tracker

Create:

Date | Employee | Day | Week No. | Status

Use:

=WEEKDAY(A2,2)

=WEEKNUM(A2)

=NETWORKDAYS(StartDate,EndDate,Holidays)

Tasks:

  1. Identify weekdays and weekends.
  2. Calculate working days.
  3. Exclude holidays.
  4. Calculate attendance percentage.

Project 4 — Due Date Calculator

Create:

Task

Start Date

Working Days

Due Date

Project A

28-Sep-2026

10

 

Project B

01-Oct-2026

15

 

Project C

05-Oct-2026

20

 

Formula:

=WORKDAY(B2,C2)

With holidays:

=WORKDAY(B2,C2,$H$2:$H$5)

Also calculate month-end:

=EOMONTH(B2,0)