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GLP-1 Weight Scenario Projector

Updated Oct 2026
Calculation inputsEnter measured, questionnaire, or label values exactly as defined.
This is the scenario starting point.
Enter a scenario assumption; it is not supplied as expected drug efficacy.
Choose the planning horizon.

Guest calculations stay on this device. Signed-in results sync privately.

Your result

Projected scenario weight

Enter your values, then calculate to see a verified result.

Inputs usedReview the information used for this result.
Full calculation and sourcesOpen Full calculation and sources to review the method, assumptions, boundaries, and evidence.

Versioned calculationFormula v1.0.0

Formula definitionUnit-normalized calculationFormula v1.0.0

What is calculated

A user-controlled percentage-change scenario.

Method

Apply the entered percentage and duration without importing trial efficacy.

Important boundary

Actual treatment response is nonlinear and individualized.

Result actions
1
Enter a starting pointUse the labeled field and matching unit.
2
Choose your own assumptionThe calculator applies the displayed method at full precision.
3
Treat output as a scenarioKeep the stated boundary beside the result.

Interpretation

The primary value follows directly from the entered percentage.

The weekly value is only an arithmetic average.

No efficacy, dose, adherence, or safety prediction is made.

Use this result

Method and test recordFormula v1.0.0
Recorded scope
health-evidence-completion
Publisher
CalculatorGeek
Recorded review date
2026-10-05
Next source review
2027-04-05
Definition fixtures
1 configured scenarios
Published examples
1 shown below

Recorded method

Verify percentage arithmetic, negative/no-change branches, unit parity, and absence of drug-efficacy defaults.

These records describe the published model and reference tests. A test-case count is not a certification of every possible input or an independent specialist review. Editorial policy

Known limitations

  • No medicine, dose, diagnosis, adherence, or trial response is modeled.
  • Does not predict plateaus, regain, side effects, or body composition.
  • Not a treatment target.
  • User assumption controls the result.

Method sources

Latest model update

2026-10-05 - Initial evidence-limited shared-system implementation with fixtures, original support content, and contextual links.

Reference inputs and expected results

Up to 12 examples from the configured definition fixtures are shown. Expected values use the stated output units; invalid inputs are intended to be rejected.

CaseInputsExpected result
ten percent scenarioStarting weight: 100 kg; User-entered assumed weight change: 10 percent; Scenario duration: 52 numberProjected scenario weight: 90 kg; Scenario weight change: 10 kg; Arithmetic average per week: 0.1923076923 kg/week; classification: loss-scenario (allowed numeric tolerance: 0.001)

Report an issue with this tool. Include the page URL, units, expected answer, and steps to reproduce. Do not include sensitive personal information.

On this page

What the GLP-1 Weight Scenario Projector calculates

Convert a user-entered percentage weight-change assumption into projected weight and simple average weekly change.

The tool avoids presenting trial averages as a personal outcome forecast.

How to use the GLP-1 Weight Scenario Projector

  1. Enter starting weight.
  2. Enter an explicitly chosen scenario percentage.
  3. Choose a duration for arithmetic averaging.
  4. Compare multiple scenarios rather than treating one as expected.

Formula, variables and calculation order

projected weight = starting weight x (1 - assumed change / 100).

Inputs are validated and normalized before the calculation. Working precision is retained until display rounding.

Worked example and boundary check

Worked example

100 kg with a user-entered 10% change gives a 90 kg scenario and 10 kg arithmetic change.

Boundary check

A weekly average does not mean actual change will be linear.

How to interpret the result

Use the output for sensitivity planning only.

  • No medicine, dose, diagnosis, adherence, or trial response is modeled.
  • Does not predict plateaus, regain, side effects, or body composition.
  • Not a treatment target.
  • User assumption controls the result.

Frequently asked questions

Is 10% an expected result?

No; it is only the entered assumption.

Does the page compare medicines?

No.

Is weekly change linear?

No.

Can it prescribe a target?

No.

Primary sources and evidence limits

Sources and version-sensitive boundaries were checked 2026-10-05. The page does not replace diagnosis, prescribing, emergency care, or individualized professional judgment.

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