Pregnancy Weight Gain Calculator
Reference weight-gain range by pre-pregnancy BMI.
Used only to show the change from your pre-pregnancy weight.
Full-term reference range
11.3–15.9
kg25–35 lb · pre-pregnancy BMI 23.9 (Healthy weight)
Introduction
See a general full-term weight-gain reference range for a singleton pregnancy, based on pre-pregnancy BMI. Your own target should be set with your prenatal-care clinician. This result is an estimate based on the information provided. It is not a diagnosis and may not reflect individual medical circumstances.
What is Pregnancy Weight Gain Calculator?
This calculator uses pre-pregnancy weight and height to estimate BMI, then shows general total-gain reference ranges for a singleton pregnancy. It does not create a diet, calorie prescription, or individual target. Weight-gain goals should be discussed with a prenatal-care clinician.
Definition: Pregnancy Weight Gain Calculator shows a general full-term weight-gain reference range for a singleton pregnancy based on pre-pregnancy BMI.
How it works
- Configure the inputs shown in the Pregnancy Weight Gain Calculator form above.
- The tool applies the method described by its inputs and result labels.
- Review the result and the assumptions used to produce it.
- Use the related tools below when you need a different pregnancy task.
Worked example
Example: singleton-pregnancy reference range
Inputs: Pre-pregnancy weight = 65 kg, Height = 165 cm
- Calculate pre-pregnancy BMI from weight and height.
- Match that BMI to the general singleton-pregnancy reference range.
- Show the full-term range in kilograms and pounds.
The range is a general reference, not a personalised week-by-week plan.
Use cases
- Understanding the general role of pre-pregnancy BMI in reference ranges
- Recording a personal change from pre-pregnancy weight
- Preparing a question for a prenatal-care appointment
Advantages
- Browser-based processing — entered values and selected files are not sent to our servers
- No account required
- Instant results with a clean, readable interface
Limitations
- The displayed ranges are for singleton pregnancies; twins and higher-order pregnancies need different guidance.
- A full-term total range is not a week-by-week target.
- Medical conditions, fetal growth, nausea, eating disorders, and other individual factors need professional care.
Frequently asked questions
- What does this calculator use?
- It uses pre-pregnancy BMI and general reference ranges for a singleton pregnancy. It does not use current weight to judge whether your progress is healthy.
- Does this work for twins?
- No. Multiple pregnancies use different reference ranges and should be discussed with your prenatal-care clinician.
- Can I use this to set a diet or calorie target?
- No. This is not a meal plan or medical advice. Discuss nutrition and weight changes with your clinician.
- Is the Pregnancy Weight Gain Calculator free to use?
- Yes. Pregnancy Weight Gain Calculator on The Daily Tools is completely free, requires no account, and runs entirely in your browser.
- Does The Daily Tools store my inputs?
- No. Your numbers and text never leave your device. The Daily Tools has no backend database for calculator inputs.
- Who should use the Pregnancy Weight Gain Calculator?
- Anyone who needs a clear health and fitness calculation and wants to check the assumptions used.
- How accurate is the Pregnancy Weight Gain Calculator?
- Results are computed locally using established methods for pregnancy. Treat outputs as estimates, not professional advice.
- Can I use the Pregnancy Weight Gain Calculator on mobile?
- Yes. The Daily Tools is fully responsive and works on phones, tablets, and desktops.
Sources & references
Key points
- Pregnancy Weight Gain Calculator is a free, browser-based calculator for reference weight-gain range by pre-pregnancy BMI.
- Reference weight-gain range by pre-pregnancy BMI.
- Private, browser-only processing
- Private, browser-based processing