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Calcimator

Pregnancy Due Date Calculator

Calculate your estimated due date, current gestational week, trimester, and key pregnancy milestones.

Inputs

Results

Estimated Due Date

3/8/2026

Current Week43 weeks, 3 days
TrimesterThird
Days Remaining0
Progress100%

Estimated Due Date

3/8/2026

How to Use This Calculator
  1. Start by filling in the input fields below. Results update instantly as you type, so you can experiment with different values to see how they affect the outcome.
  2. Calculate From — Calculation method to use. Choose from: Last Menstrual Period (LMP), Conception Date. default: 0.
  3. Month — Month of the year (1-12). Accepts values from 1 to 12 (default: 6).
  4. Day — Day of the month (1-31). Accepts values from 1 to 31 (default: 1).
  5. Year — The year to check. Accepts values from 2,024 to 2,030 (default: 2,025).
  6. Once all inputs are set, review your results in the Results panel. Here's what each output means:
  7. Estimated Due Date — your calculated result. This is the primary result of this calculator.
  8. Current Week — your calculated result.
  9. Trimester — your calculated result.
  10. Days Remaining — shown as a numeric value.
  11. Progress — shown as a numeric value.
  12. View the Progress below for a visual breakdown of how the numbers relate to each other.
  13. Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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