Who operates Calcs.finance
Calcs.finance is operated by Savi Tech Limited, a private limited company established in Scotland, United Kingdom, company number SC810783. The site is not a bank, lender, broker, tax authority, insurer, investment adviser, mortgage adviser, pension adviser, or accounting firm.
- Contact Calcs.financeReport calculator issues, content questions, privacy requests, or business enquiries.
- Terms of UseRead the ground rules for using calculators, saved scenarios, accounts, ads, and educational content.
What the calculators are for
The calculators are built for general planning questions: saving, borrowing, budgeting, retirement estimates, taxes, mortgages, debt payoff, investing math, and other money comparisons. They are meant to make assumptions visible before a reader talks to a provider, checks an official source, or seeks qualified advice.
- Change one input at a time to see what drives the result.
- Use guides to understand the decision context before relying on a number.
- Use formula pages to check variables, assumptions, limitations, and validation notes.
- Calculator libraryFind calculators by task, category, topic, and common money question.
- Money guidesRead plain-English explanations that connect guides to calculators and formula notes.
- Formula note exampleSee how a formula page documents variables, assumptions, examples, and validation.
What a result can and cannot prove
Calculator results are educational estimates based on the inputs shown on the page. They are not quotes, applications, approvals, eligibility checks, account statements, tax determinations, investment recommendations, or personalised financial advice.
- Real outcomes can change because of fees, taxes, lender rules, provider terms, inflation, timing, rate changes, and personal circumstances.
- Rule-based or jurisdiction-specific calculators need the relevant official source checked before a real decision.
- For decisions with real consequences, consider speaking with a qualified professional.
- Estimate disclaimerUnderstand the limits of calculator estimates, examples, ads, and educational content.
- Why results are estimatesLearn how to read assumptions, missing variables, and result limits.
How formulas and content are reviewed
Calcs.finance uses a methodology-first process. Generic financial math is explained through formula derivation, implementation notes, fixtures, and internal independent comparator checks. Calculators that depend on tax rules, retirement rules, lending disclosures, regulatory definitions, or jurisdiction-specific thresholds need official sources before those claims are treated as publishable.
- Formula scope
- Each calculator should define the question it answers, the inputs it uses, and the assumptions it leaves out.
- Validation
- Outputs are checked with deterministic fixtures, edge cases, rounding tests, and internal comparator-style reviews where useful.
- Editorial review
- Substantial finance content is reviewed for source needs, advice risk, missing caveats, originality, internal links, and alignment with the actual calculator.
- Corrections
- Reader reports, formula changes, test failures, and source changes can trigger updates to calculator pages, formula notes, guides, examples, and the content review queue.
- MethodologySee the formula lifecycle, source hierarchy, validation evidence, assumptions, and correction workflow.
- Editorial policySee how educational finance content is written, reviewed, corrected, and separated from advertising.
Advertising and editorial independence
Calcs.finance is free and supported by advertising, including Google AdSense where enabled. Ads do not determine calculator formulas, assumptions, examples, editorial conclusions, content scores, internal links, or page rankings. Ads are not endorsements, recommendations, eligibility signals, or product suitability checks.
- Advertisers do not receive editorial control over calculators or educational content.
- Ad placement must not hide estimate limitations, methodology links, or disclaimers.
- Commercial links and ads must not be framed as advice from Calcs.finance.
- Cookie PolicyRead how cookies, local storage, analytics, advertising, and consent choices are handled.
- Privacy PolicyRead how calculator data, saved scenarios, analytics, ads, accounts, and privacy choices are handled.
Calculator data and ad targeting
Calculator inputs, outputs, saved scenarios, scenario notes, debts, income, balances, favourites, calculator usage details, account state, authentication identifiers, and local scenario data are not used for ad targeting, remarketing, lookalike audiences, custom ad segments, or personalised advertising profiles.
- Analytics and ad payloads should stay limited to page and navigation metadata.
- Saved scenarios are convenience features, not permanent financial records.
- Do not enter passwords, full account numbers, tax IDs, bank login details, or other sensitive account data into calculators or support messages.
- Scenario workspaceView saved calculator versions and understand what scenario storage is for.
- How scenarios workLearn how saved scenarios help compare versions without becoming financial records.
Where to start
Use the site as a structured estimate workflow: find the calculator, read the related guide when the concept is unfamiliar, check the formula notes when assumptions matter, and use trust pages when privacy, source, or advice boundaries matter.
- Browse calculatorsStart with the full calculator library.
- Guide exampleSee how a guide connects concept, calculator scope, assumptions, and formula notes.
- Loan payment formula notesReview formula variables and assumptions before relying on a payment estimate.
- Help centerFind support for calculators, saved scenarios, estimates, formula pages, and privacy choices.