WeightLossTools.in aims to provide accurate, useful, and transparent calculators and supporting educational information. Despite careful development and review, calculation errors, outdated references, unclear explanations, broken links, or technical issues can occasionally occur.
This Corrections & Updates Policy explains how we identify, review, prioritise, correct, and document material issues affecting our calculators and content.
What We May Correct
Corrections may relate to calculator functionality, scientific methodology, supporting content, references, user interface, or technical implementation.
Examples include:
- Incorrect mathematical formulas
- Formula implementation errors
- Incorrect unit conversions
- Rounding errors that materially affect interpretation
- Incorrect result categories or thresholds
- Incorrect activity or nutritional values
- Outdated scientific information
- Unsupported or misleading health statements
- Broken or outdated references
- Incorrect internal links
- Calculation fields that do not behave as intended
- Mobile or browser compatibility problems
- Typographical or grammatical errors
- Unclear explanations or instructions
Calculator Errors Receive Priority
Errors affecting calculator results are treated more seriously than ordinary wording or formatting issues.
If we become aware that a calculator may be producing materially incorrect results, we aim to investigate the underlying formula, code, inputs, units, assumptions, and result interpretation before deciding the appropriate correction.
How Corrections Are Reviewed
Depending on the nature of the reported issue, the review may include:
- Rechecking the mathematical equation
- Comparing implementation with the referenced methodology
- Testing known or representative input values
- Testing Metric and US/Imperial unit conversions
- Reviewing the scientific or public-health source
- Checking whether the source has been revised or replaced
- Comparing calculator results before and after the proposed correction
- Reviewing related calculators that may use the same formula
Central Formula Corrections
Some calculators may share common calculations such as BMI, BMR, activity-energy estimates, unit conversions, or calorie requirements.
Where an error affects a shared calculation method, we aim to review other tools using the same underlying formula or data rather than correcting only the page where the issue was first discovered.
Types of Updates
Minor Editorial Updates
These may include spelling corrections, formatting improvements, clearer wording, minor interface changes, or replacement of a broken link with the same source.
Minor changes may be made without a prominent correction notice.
Content Updates
These may include expanded explanations, updated FAQs, new references, revised terminology, improved limitations, or changes reflecting updated health information.
Methodology Updates
A methodology update occurs when the underlying formula, reference standard, classification threshold, activity value, nutritional assumption, or calculation approach is materially changed.
Methodology changes receive additional review because they may alter calculator results.
Critical Corrections
A critical correction involves an error that could materially mislead users, such as a significant formula error, incorrect unit conversion, incorrect health threshold, or result that could lead to inappropriate interpretation.
Critical calculation issues receive the highest correction priority.
Formula Versioning and Review Dates
Where practical, WeightLossTools.in may maintain internal version information for formulas or calculation methods.
Calculator pages may also display information such as:
- Methodology used
- Reference source
- Last reviewed date
- Last updated date
Not every minor editorial change will result in a new formula version.
Changes in Scientific Guidance
Health and nutrition guidance can change over time. An older calculator is not automatically incorrect merely because a newer publication exists, particularly where the calculator is based on an established mathematical equation.
When important authoritative guidance changes, we assess whether the change affects:
- The calculation itself
- Result classifications
- Interpretation of results
- Safety information
- Recommended limitations
- Supporting educational content
External References
External organisations may change website addresses, revise publications, archive pages, or replace guidance documents.
If an external reference becomes unavailable, we may update the link, cite an archived or replacement publication, or substitute another authoritative reference supporting the same information.
User-Reported Corrections
Users, researchers, healthcare professionals, developers, and other readers are welcome to report potential errors.
A useful correction report should, where possible, include:
- The URL or name of the affected calculator or page
- The input values used
- The result produced
- The result you believe should have been produced
- The formula, reference, or evidence supporting your concern
- Details of the device or browser if the problem appears technical
How to Submit a Correction
Please use our Contact Us page to report a potential calculator, content, reference, or technical error.
Providing specific details helps us investigate more efficiently.
What Happens After a Report?
Receiving a correction request does not automatically mean that the existing content is incorrect. We review the evidence and determine whether a change is justified.
Where a correction is confirmed, we may update the calculator code, methodology, explanatory content, references, or related tools as appropriate.
Transparency
Our goal is not to pretend that errors can never occur. Our goal is to maintain a process that allows errors to be identified, investigated, corrected, and prevented from affecting related calculators where possible.
Maintaining transparent methodology, reliable references, and an accessible corrections process is an important part of making WeightLossTools.in a trustworthy calculator resource.
No Guarantee of Individual Outcomes
A calculator can be mathematically correct and still differ from an individual’s real-world outcome. Weight, metabolism, calorie expenditure, body composition, nutritional requirements, and physical performance vary among individuals.
A difference between a calculated estimate and a real-world result does not necessarily indicate a calculator error. Users should consider the assumptions and limitations explained on the relevant calculator page.
Last reviewed: August 2026