Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Pregnancy
Pregnancy Exercise Heart Rate Calculator
Calculate a safe upper target heart rate for exercise during pregnancy based on your age and pre-pregnancy fitness level. Use it to stay active without overexerting yourself or stressing the baby.
Fill in the required fields to see your result.
Pregnancy
Pregnancy Weeks to Months Converter
Convert pregnancy weeks and days into months and identify your trimester, using either calendar months or four-week 'lunar' months β the two conventions that cause confusion.
Months and trimester
4.6 months (2nd trimester)
Key differences
| Pregnancy Exercise Heart Rate Calculator | Pregnancy Weeks to Months Converter | |
|---|---|---|
| Category | Pregnancy | Pregnancy |
| Inputs required | 2 | 3 |
| Result | Maximum exercise heart rate (bpm) | Months and trimester |
| What it does | Calculate a safe upper target heart rate for exercise during pregnancy based on your age and pre-pregnancy fitness level. Use it to stay active without overexerting yourself or stressing the baby. | Convert pregnancy weeks and days into months and identify your trimester, using either calendar months or four-week 'lunar' months β the two conventions that cause confusion. |