Disclaimer

Quick summary

Use Calcs.finance to understand formulas, compare assumptions, and prepare better questions. Do not use a calculator result as the final basis for a financial, tax, legal, lending, investment, pension, insurance, accounting, or regulated decision.

Educational estimates

Results are generated from the inputs shown on the page and the documented formula or model. They are useful for planning and comparison, but they can omit fees, taxes, inflation, live rates, provider rules, timing details, and personal circumstances.

Not personalised advice

The site does not know your full circumstances and does not recommend a specific product, provider, investment, loan, tax position, pension action, insurance decision, transaction, or course of action.

Verify before relying

Before acting, check the relevant provider documents, official source, tax authority, regulator, lender disclosure, pension administrator, professional adviser, or account statement.

Corrections still matter

This disclaimer does not make inaccurate content acceptable. Report formula errors, stale sources, confusing assumptions, broken links, or misleading wording so they can be reviewed.

• MethodologyRead how formulas, assumptions, validation, source requirements, and corrections are handled.
• Editorial PolicyRead how educational content is reviewed and separated from advertising.
• Correction and support contactReport calculator issues, stale sources, confusing assumptions, or legal/privacy questions.

What calculator results are

A calculator result is an input-driven estimate. The result can help you compare versions of a scenario, see which variables matter most, and understand the formula note behind the number.

• A planning estimate based on the values entered and the calculator's visible assumptions.
• A way to compare scenarios, such as changing a rate, payment, term, balance, or time horizon.
• A prompt to inspect formula notes, methodology, source requirements, and excluded assumptions.
• A starting point for questions to ask a provider, official source, or qualified adviser.

• Calculator libraryFind calculators by topic and check the assumptions on the page before relying on a result.
• Formula note exampleSee how variables, assumptions, limitations, and validation notes are documented.
• Why results are estimatesLearn why calculator outputs can differ from real-world outcomes.

What calculator results are not

A Calcs.finance result is not a professional decision or provider commitment. It should not be presented as proof that a rate, payment, tax result, affordability result, return, eligibility outcome, or balance will apply.

Not advice or a recommendation

The site does not provide financial, investment, mortgage, tax, legal, accounting, insurance, pension, debt, lending, or regulated advice. It does not tell you what is best for you.

Not a quote, approval, or offer

Loan, mortgage, insurance, investment, account, tax, pension, and provider calculators are not applications, preapprovals, rate locks, offers, quotes, official statements, or eligibility decisions.

Not an official determination

Tax, retirement, benefits, regulatory, and jurisdiction-specific results are not determinations by HMRC, IRS, GOV.UK, a state tax authority, a pension administrator, a court, a lender, or any regulator.

Not a complete financial record

Saved scenarios and exported or restored inputs are convenience records for comparison. They are not permanent records, account statements, regulated recordkeeping, or backups of your financial life.

Guidance versus regulated advice

Educational guidance can explain concepts and help you prepare questions. Regulated advice is different: it considers your circumstances and can recommend what is best for you. Calcs.finance provides educational guidance only.

• MoneyHelper financial adviser guidanceMoneyHelper explains what regulated financial advisers do and when advice may be useful.
• FCA Financial Services RegisterCheck whether a UK firm or individual is authorised for the relevant activity.
• What to check before trusting a resultReview inputs, assumptions, formula scope, source dates, and professional-check situations.

Loans, mortgages, taxes, pensions, and rule-based calculators

Some calculators use generic financial math. Others depend on official rules, provider disclosures, tax tables, pension rules, lending assumptions, jurisdiction, or dates. When an official source, provider disclosure, or regulated document conflicts with a calculator, the official or provider document is the source to rely on.

Lending and mortgages

Mortgage and loan calculators are planning tools. For US mortgage borrowing, a formal Loan Estimate is a specific lender disclosure received after applying for a mortgage, not a calculator page.

Tax and jurisdiction rules

Tax, VAT, sales tax, depreciation, retirement distribution, and country or state-specific calculators can become stale when rules, thresholds, forms, tables, or dates change.

Provider-specific costs

Provider products can include fees, minimums, penalties, promotional terms, underwriting rules, escrow changes, insurance terms, fund share classes, tax treatment, or rounding rules not modeled by a generic calculator.

• CFPB Loan Estimate guidanceOfficial CFPB explanation of the mortgage Loan Estimate disclosure.
• Mortgage calculatorExample of a calculator where lender rules, taxes, insurance, escrow, and rate-lock details can matter.
• RMD calculatorExample of a rule-based retirement calculator where official IRS tables and current rules matter.

Formula, source, and version limits

Formula notes describe how a calculator works, but they do not cover every real-world variation. A formula can be mathematically correct for its stated assumptions and still be unsuitable for a real decision if the inputs, timing, rules, or provider terms are incomplete.

• Check whether the calculator uses fixed rates, annual compounding, monthly payments, simple averages, rounded values, or other simplifying assumptions.
• Check whether taxes, fees, inflation, penalties, live rates, changing market prices, account minimums, or provider-specific rules are excluded.
• Check the formula version, source notes, and last-reviewed context when a calculator depends on official rules or dates.
• Use examples as illustrations only. Example numbers are not forecasts, typical outcomes, or recommendations.

• Methodology and source hierarchyRead when generic math is enough and when official sources are required.
• Formula limitations exampleSee an annual principal-only formula note with excluded assumptions.

Ads and external links

Ads and external links may appear because the product is free to use. They are not endorsements, recommendations, suitability assessments, advice, or confirmations that a provider, product, rate, return, or offer is appropriate for you.

• Advertisers do not control calculator formulas, assumptions, examples, source hierarchy, editorial conclusions, or review scores.
• External links can change, move, or contain information Calcs.finance does not control.
• Ad placement should not hide estimate limitations, methodology links, privacy choices, or disclaimers.

• FCA financial promotions and advertsFCA guidance for regulated promotions and adverts, including clear, fair, and not misleading standards.
• Privacy PolicyRead how analytics, advertising, calculator data, saved scenarios, and privacy choices are handled.
• Cookie PolicyRead how cookies, local storage, consent tools, analytics, and advertising storage work.

Saved scenarios, issue reports, and sensitive data

Saved scenarios and issue reports can make calculators more useful, but they do not change the estimate-only nature of the site. They can also contain personal financial information if you enter real figures.

Saved scenarios

Saved scenarios can include names, notes, inputs, outputs, assumptions, calculator type, formula version, timestamps, and restore history. Local-only scenarios remain on your device until deleted or cleared.

Issue reports

The in-product Report issue tool can include calculator values automatically, plus browser diagnostics, formula version, dataset version, current URL, and your written summary.

Sensitive information boundary

Do not enter or send passwords, full bank account numbers, card numbers, tax IDs, national insurance numbers, social security numbers, identity documents, or bank login details through calculators, notes, reports, or email.

• Saved scenariosOpen the scenario workspace and manage saved calculator work.
• How scenarios workLearn what saved scenarios store and what they are not meant to replace.
• Report a problemUse the contact page for calculator issues, corrections, privacy requests, or legal requests.

Before relying on an estimate

For important decisions, treat the result as one check in a larger review. A useful estimate should make the next question clearer, not replace the next check.

• Re-enter the numbers and check units, dates, currencies, terms, rates, and rounding.
• Read the formula note and confirm which costs, taxes, fees, rule changes, and provider terms are excluded.
• Compare the result with official sources, provider documents, account statements, disclosures, or an independent calculation.
• Stress-test the result with less favorable rates, higher costs, lower returns, longer timelines, or delayed payments.
• Use a qualified professional when the outcome could affect borrowing, taxes, investments, pensions, insurance, legal duties, business accounts, or household stability.

• Result-checking guideA practical checklist for checking assumptions before relying on a calculator result.
• Finance guidesRead guide context before using a calculator for a real money decision.

Corrections, availability, and consumer rights

Calcs.finance aims to publish useful, tested, and clearly limited calculators, but no website can guarantee that every estimate, example, formula note, source link, saved scenario, ad, or page will always be accurate, complete, current, available, or suitable for your circumstances. Nothing in this disclaimer removes rights that cannot be excluded by law.

• Terms of UseRead the terms for using calculators, saved scenarios, accounts, ads, and educational content.
• Correction workflowRead how content issues, stale sources, and advice-risk problems are prioritised.
• Google helpful content guidanceGoogle guidance on helpful, reliable, people-first content and YMYL trust expectations.