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Weight Gain Calculator in Pregnancy: A Complete Guide

by | Pregnancy

For a pregnant woman, it is normal to gain weight. As the baby grows, it is common and healthy to increase weight gradually. However, do you wonder how much weight gain is normal because overweighting also creates complications?

Weight gain

A weight gain calculator or calorie calculator during pregnancy is a useful tool to answer this question. They help track how much weight you are gaining by consuming a particular number of calories. You can use it to track increasing weight day by day. Stay calm if you are gaining weight a little faster or slower. This guide will help you get back to normal weight gain speed.

What is a Weight Gain Calculator?

It is a special software designed to help to conceiving women track their increasing weight. The optimal or irregular weight gain determines if the baby is growing healthy or if the mother needs to increase calorie intake. The weight gain calculator usually asks for height, bow, and then weight and tells if you have a healthy weight.

Calculator weight pregnancy

If you are underweight or unable to gain the required weight, it can affect the baby’s growth and may lead to preterm labor. On the contrary, if you are overweight or dealing with obesity, it will also affect both body and the infant. Complications in labor can lead to C-sections and miscarriages.

Pregnancy Weight Gain Timeline

during pregnancy, the common weight is not-alike to the non-pregnant. Are you skeptical about the increasing weight and calories you are intake? Actually, pregnancy weight gain relies on two main aspects: the type of pregnancy and pre pregnancy bmi.


Here are some normal weight conditions (It can vary if you are carrying twins) :

  • In case you have low weight, such as you had below 19 body mass index, you can expect to 28 to 40 pounds weight gain during pregnancy.

  • If you have a normal weight, your weight should increase by at least 25 to 35 pounds.

  • If you were overweight, you could not expect steep in recommended weight gain graph during pregnancy. Averagely, you can gain weight from 15 to 25 pounds.

  • Lastly, if you were dealing with obesity before conceiving, you should gain weight from 11 to 20 pounds. In the case of twins, the weight will get boosted up to 25 to 42 pounds.

This weight gain is the goal for the fortieth week. Anyhow you should keep monitoring your fluctuating weight. If your weight is increasing slowly, there is no need to worry. It is because, at the time of the first trimester, you are likely to gain 3 to 4 pounds. In the second and third trimesters, you will experience a significant increase in weight due to the baby’s development.

What to Eat during Pregnancy to Increase Optimal Weight?

At the time of pregnancy, healthy weight gain is important for the healthy development of the baby. However, maternal obesity should be controlled anyhow because it can lead to neonatal deaths and stillbirths. You need to keep in mind that a healthy diet is a crucial factor in a healthy lifestyle at all times.

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What is meant by a healthy diet? Most pregnant women wonder if they should eat for the optimal development of the fetus. If you had a normal weight before conceiving, you do not need to set a special diet plan with the recommendation of a healthcare provider. Anyhow, it is crucial to bring versatility.

You are suggested to consume a variety of foods every day to acquire all the necessary minerals and vitamins. During pregnancy, or even on normal days, it is better to get nutrients directly from food instead of dietary supplements. But then, folic acid is essential to take during pregnancy in the form of supplements.

When women are pregnant, they have more cravings, so they should eat more. You can eat plenty of fruits, vegetables, and other food as they offer all essential vitamins and minerals. Moreover, they also provide fibers that help digestion and prevent constipation in pregnant women.

Healthy Diet

Here is what you should eat and avoid:

  • Avoid snacking on food that is high in fats and sugar.

  • Do not use cigarettes and avoid alcohol consumption.

  • Consume protein foods such as beans, eggs, and meat.

  • Increase fruit and vegetable intake.

Making an adequate quantity of dried fruits part of daily life avoids raw meat as it can cause infection.

Why do Women Gain Extra Weight while conceiving?

Pregnancy brings many changes in routine and habits, such as it alters your eating habits, exercising routine, and above all, your figure. A woman’s body changes at the time of pregnancy to make sure that their baby is getting adequate food and other nutrients for healthy development.

These changes are also evident in the initial phase, but a woman gains more weight during the final few months.

There are multiple reasons why a woman gains weight, such as the body starts storing fats to use as a source of energy which it is going to use at the time of breastfeeding. Moreover, the breast also increases, and the body gains weight due to an enlarged uterus, placenta, and amniotic fluid through which the baby gets nutrients. The rest of the weight gain happens due to increased blood and body fluids.

How to Weight yourself?

You do not need to stress yourself a lot. During pregnancy, you do not need to check your weight daily. A day of fluctuation can drive you crazy. You should weigh yourself once a pregnancy week. It is more than enough. Make sure to weigh same time of the day. Moreover, make sure to wear the same number of clothes. You can make pregnancy weight gain chart to monitor how fast your weight is increasing.

What do I need to know about tracking pregnancy weight gain?

According to the Centers for disease control, pregnant women should start tracking the record regularly throughout the pregnancy. By comparing the progress, you can understand if you are on the right track or not. Setting appropriate weight gain goals and progress tracking should always be done under the supervision of a healthcare provider. Otherwise, myths can make you delusional and drive you crazy.

How does the Pregnancy Weight Calculator Work?

When you are unable to determine the weight, it becomes necessary to get a hand on a weight calculator. It is a tool that paves the path to follow your weekly progress in the comfort of your home.

If your weight is fluctuating, it means you are not sticking to the best healthy diet. Your calorie intake graph is significantly fluctuating. Therefore, start using the best calorie calculator. It will help you maintain the best weight and postpartum weight retention.

It is easy to use. All you need is to enter your age, weight, and height. It will show you your basal metabolic rate or if there is excessive weight gain. After that, you can adjust your diet accordingly.


The pregnancy weight gain calculator is an essential tool for maintaining optimal weight. It prevents panicking as many women feel like they are either overweight or underweight. With a weight gain calculator, you are also suggested to use a calorie calculator. In case your weight goes up or down, it will help you get back on track.


When do the Women Start Gaining Weight?

In the first trimester, you will not experience significant weight change. The graph usually goes up during the second trimester. You will start gaining weight with the growth of the baby. In the first trimester, you will feel nausea and other bodily changes, but weight gain will happen from the second to the last trimester.

Do Women Gain Weight Efficiently during Second Pregnancy?

The weight increase rate during the second pregnancy is equal to the first pregnancy. However, you can experience gaining extra pounds. It can happen due to the fact that you have not shed the weight from your pre pregnancy weight. Moreover, the abdominal muscles and ligaments never come back to their previous shape, which also prominently increases weight.

How much Weight should Teenager Gain During Pregnancy?

The weight gain timeline of teenagers is not different for adults. Teenagers, during pregnancy, should gain about 11-40 lbs. according to the BMI. Still, a conceiving teenager requires support not only for the baby but for themselves. That is why more weight gain can be appropriate.

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