BBT Calculator

Free calculate basal body temperature (BBT) patterns to track ovulation. Get instant, accurate results with our easy-to-use calculator.

Temperature Data

Enter at least 7-10 days of data. Example: 36.2, 36.1, 36.0, 36.1, 36.2

Results

Enter temperature data to analyze ovulation pattern

About BBT Tracking

  • • Take temperature first thing in the morning before any activity
  • • Ovulation typically causes a sustained temperature rise of 0.2-0.5°C
  • • Temperature stays elevated until next period
  • • Most accurate when combined with other fertility signs