Not sure which calculator to use? Here's a side-by-side comparison of the Menstrual Cycle Calculator and Pregnancy Weight Gain Calculator to help you pick the right one for your needs.
Calculate your ovulation day, fertile window, and next period date based on your cycle length. Understand your follicular and luteal phases.
Includes visual bar chart breakdown
Calculate recommended weight gain during pregnancy based on your pre-pregnancy BMI using Institute of Medicine (IOM) guidelines.
| Feature | Menstrual Cycle Calculator | Pregnancy Weight Gain Calculator |
|---|---|---|
| Category | Health & Fitness | Health & Fitness |
| Inputs | 3 required fields | 5 required fields |
| Outputs | 6 results | 4 results |
| Chart | bar chart | No chart |
| FAQs | 3 answered | 3 answered |
Choose the Menstrual Cycle Calculator if you need to calculate ovulation day (of cycle). Use the Pregnancy Weight Gain Calculator if you need to calculate pre-pregnancy bmi. Both calculators are free and require no sign-up.