About the Pregnancy Nutrition Calculator
What is the Pregnancy Nutrition Calculator?
Energy and protein needs rise in the second and third trimesters. This pregnancy nutrition calculator adds ICMR-NIN 2020 pregnancy allowances to your normal needs.
It also gives the healthy total weight gain for your pre-pregnancy BMI.
How to use the Pregnancy Nutrition Calculator
- Age (years) (sample: 28)
- Height (cm) (sample: 160)
- Pre-pregnancy Weight (kg) (sample: 55)
- Activity Level (sample: Sedentary – desk job (×1.2))
- Trimester (sample: Second (weeks 14–27))
- Press Calculate Pregnancy Nutrition (results also refresh as you type). The result card shows the Daily Calories, along with Extra calories for pregnancy, Protein, Iron and Folate.
Formula used
Calories = Mifflin–St Jeor × Activity + 350 kcal (2nd and 3rd trimesters)
- Protein = 0.83 g/kg + 9.5 g (2nd) or 22 g (3rd trimester)
Worked example
These are the sample values already filled in the calculator above, and the result it returns for them:
| Input | Sample value |
|---|---|
| Age (years) | 28 |
| Height (cm) | 160 |
| Pre-pregnancy Weight (kg) | 55 |
| Activity Level | Sedentary – desk job (×1.2) |
| Trimester | Second (weeks 14–27) |
| Result | Value |
|---|---|
| Daily Calories | 1,849 kcal |
| Extra calories for pregnancy | 350 kcal |
| Protein | 55.2 g |
| Iron | 27 mg |
| Folate | 570 µg |
| Calcium | 1,000 mg |
| Iodine | 250 µg |
| Pre-pregnancy BMI | 21.5 |
Tips for using the Pregnancy Nutrition Calculator
- Eat small, frequent meals if nausea or heartburn makes large meals hard.
- Avoid raw papaya, unpasteurised milk and undercooked meat or eggs.