What is this calculator?
Track change from pre-pregnancy weight and display the general singleton reference range.
What can you use it for?
Use it to understand the numerical relationship between the measurements or dates entered. Track change from pre-pregnancy weight and display the general singleton reference range.
How to use it
- Enter pre-pregnancy weight (kg).
- Enter current weight (kg).
- Enter height (cm).
- Select Calculate (or Generate for random tools).
- Read the answer and any additional results below the form. Check the units and the limits of the method.
Formula and method
The general singleton total-weight-gain reference range is selected using pre-pregnancy BMI. It is not a week-by-week target.
Worked example
Pre-pregnancy weight (kg): 65, Current weight (kg): 70, Height (cm): 165. The result is 5 kg (weight change since before pregnancy).
Assumptions and limits
General total singleton pregnancy reference, not a week-specific target. Discuss individual weight changes with your maternity clinician.
Method references
Frequently asked questions
What inputs does the Pregnancy Weight Gain Calculator need?
Use pre-pregnancy weight (kg), current weight (kg), height (cm). Read the answer and any additional results below the form. Check the units and the limits of the method.
What assumptions apply to the Pregnancy Weight Gain Calculator?
General total singleton pregnancy reference, not a week-specific target. Discuss individual weight changes with your maternity clinician.