Calculator Inputs and Outputs
Inputs
- Total weight change (kg) — example: -1
- Time period (weeks) — example: 4
Results
- Average weekly weight change (kg/week)
- Absolute weekly change (kg/week)
Formula used
Weekly weight-change rate = total weight change ÷ number of weeks.
How to Use the Weekly Weight Change Rate Calculator
- Enter each requested input using consistent units.
- Select Calculate Weekly Weight Change Rate.
- Review the primary answer and supporting results.
Inputs
- Total weight change: enter a value in kg.
- Time period: enter a value in weeks.
Formula
Weekly weight-change rate = total weight change ÷ number of weeks.
Results
- Average weekly weight change in kg/week.
- Absolute weekly change in kg/week.
Accuracy and Limits
Use measured inputs and keep units consistent. Results are estimates and should be independently checked before financial, medical, construction, scientific, legal, or safety-critical decisions.
Calculation Standards
This tool uses documented formulas and high-precision internal values. Displayed results may be rounded for readability. Review the assumptions and verify important decisions with a qualified professional.
Read our calculation methodology