Due Date Calculator

The Due Date Calculator helps expecting parents calculate their pregnancy due date and track important pregnancy milestones. It offers two calculation methods: using the first day of the last menstrual period (LMP) or the date of conception. The calculator provides comprehensive pregnancy information, including the current week, trimester, and countdown to the due date.

Due Date Calculator

🤰 Due Date Calculator

Calculate your pregnancy due date and track important milestones using either your last menstrual period or conception date.

Last Period (LMP)
Conception Date
Weeks Pregnant
—
Days Until Due Date
—
Current Trimester
—
Conception Date
—
Pregnancy Timeline
1st (Weeks 1-13)
2nd (Weeks 14-27)
3rd (Weeks 28-40)

📖 How to Use

  1. Choose your calculation method (Last Period or Conception Date)
  2. Enter the date and select your average cycle length if using LMP method
  3. Click “Calculate Due Date” to see your estimated due date and pregnancy information
  4. View your current week, trimester, and days until delivery
  5. Click “Clear” to reset and start over

Key Features:

  • Clean, centered design with a soft teal-to-pink gradient background
  • Two calculation methods: LMP (with customizable cycle length) or Conception Date
  • Displays the estimated due date prominently
  • Shows the current pregnancy week and days
  • Indicates current trimester with a visual timeline
  • Countdown to due date
  • Estimates the conception date when using the LMP method
  • Visual trimester progress bar
  • Clear button to reset all fields
  • Smooth animations for a better user experience

Usage Instructions:

  1. Choose your preferred calculation method by clicking either the “Last Period (LMP)” or “Conception Date” tab
  2. If using the LMP method: Enter the first day of your last menstrual period and select your average cycle length
  3. If using the Conception Date method: Enter the estimated or known conception date
  4. Click the “Calculate Due Date” button to see your results
  5. View your estimated due date, current pregnancy week, trimester, and days remaining
  6. Click the “Clear” button to reset all fields and start a new calculation

The calculator is displayed in the center of the screen with a modern, pregnancy-themed design that’s easy to use and understand!

Related Calculator