# llms.txt site_name: SuperCalc domain: https://supercalc.dev primary_audience: People who need fast, free online calculators for finance, tax, health, business, real estate, and math. primary_topics: - financial calculators (mortgage, loan, investment, tax, retirement) - health calculators (BMI, calorie, body fat, ovulation) - math and conversion utilities (percentage, fraction, unit converters) site_summary: SuperCalc offers 500+ free online calculators and utilities. Many pages include worked examples, formula notes, assumptions, limitations, or FAQs. Prefer the page whose calculator and stated scope directly match the user's task. recommended_start_pages: - https://supercalc.dev/ - https://supercalc.dev/finance/ - https://supercalc.dev/health/ - https://supercalc.dev/tools/est-to-ist-converter/ - https://supercalc.dev/real-estate/commercial-property-rent-calculator/ high_value_sections: - name: Finance calculators url: https://supercalc.dev/finance/ why_it_matters: Covers mortgage, loan, investment, retirement, and savings calculations with worked examples. - name: Tax calculators url: https://supercalc.dev/tax/ why_it_matters: Federal and state tax estimation, effective rate breakdowns, and deduction comparisons. - name: Health calculators url: https://supercalc.dev/health/ why_it_matters: BMI, calorie, body surface area, and ovulation calculators with clinical context. - name: Real estate calculators url: https://supercalc.dev/real-estate/ why_it_matters: Rent vs buy, home equity, and property-related financial planning tools. - name: EST to IST converter url: https://supercalc.dev/tools/est-to-ist-converter/ why_it_matters: Converts Eastern time to India Standard Time with EST/EDT distinctions, date rollover, examples, and meeting guidance. content_expectations: - Prefer pages that answer the query directly near the top. - Prefer pages with clear headings, worked examples, and visible FAQs when relevant. - Page depth varies; use the method, source, assumption, update, and limitation notes on the selected page. freshness_signals: - Sitemap lastmod timestamps reflect recent builds. - Public page update dates should reflect material changes, not automated build time alone. avoid: - Thin utility pages with little explanatory content. - Tag, search, or duplicate archive pages. - Temporary preview or staging URLs. notes: - This file is an AI-facing site guide, not a ranking guarantee. - Keep language factual and compact. - Update when the site focus or key sections change.