calculatodo.com valid
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Claim my listing on Agent Web Map for calculatodo.com:
1. POST https://agentwebmap.com/v1/sites/calculatodo.com/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://calculatodo.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/calculatodo.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/calculatodo.com).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verifyCorrections or removal requests: contact the directory. Ownership management is optional.
Calculatodo
Free online calculators for health, finance, math, geometry, calendar, other tools, and statistics. Most calculations run client-side with instant results, while some pages use server-prepared regional or dynamic data. Available in 35 languages.
- Authority
- 47 reach 6 · trust 5 · quality 21 · freshness 15
- Tier
- listed
- llms.txt
- https://calculatodo.com/llms.txt
- Sections
- 11
- Links
- 51
- Size
- 8961 bytes
- Popularity rank
- #636824
- Country
- United States
- For agents
- Documentation: developer or product docs worth reading, nothing to call
- First seen
- 2026-10-19T10:41:10.804Z
- Last checked
- 2026-10-20T03:56:32.661Z
- Badge
Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-21T11:41:26.125Z. Cached copy · Source on calculatodo.com
# Calculatodo
> Free online calculators for health, finance, math, geometry, calendar, other tools, and statistics. Most calculations run client-side with instant results, while some pages use server-prepared regional or dynamic data. Available in 35 languages.
Calculatodo.com provides free, ad-supported online calculators. Each calculator includes an interactive tool and educational content explaining the formulas, methodology, and practical applications. No registration required.
## Calculator Categories
- [Health Calculators](https://calculatodo.com/en/health-calculators)
- [Finance Calculators](https://calculatodo.com/en/financial-calculators)
- [Math Calculators](https://calculatodo.com/en/math-calculators)
- [Geometry Calculators](https://calculatodo.com/en/geometry-calculators)
- [Calendar Calculators](https://calculatodo.com/en/calendar-calculators)
- [Other Calculators](https://calculatodo.com/en/other-calculators)
- [Statistics Calculators](https://calculatodo.com/en/statistics-calculators)
## Health Calculators
- [BMI Calculator](https://calculatodo.com/en/calculate-body-mass-index-bmi): Calculate Body Mass Index from height and weight. Includes BMI classification and related health information.
- [Body Fat Calculator](https://calculatodo.com/en/calculate-body-fat): Estimate body fat percentage using neck, waist, and hip measurements.
- [Basal Metabolic Rate Calculator](https://calculatodo.com/en/calculate-basal-metabolic-rate-bmr): Calculate BMR using the Mifflin-St Jeor equation to estimate daily calorie needs at rest.
- [PaFi Ratio Calculator](https://calculatodo.com/en/pf-ratio-calculator): Calculate the PaO2/FiO2 ratio used to assess oxygenation and classify respiratory distress.
- [Mean Arterial Pressure (MAP) Calculator](https://calculatodo.com/en/mean-arterial-pressure-map-calculator): Estimate mean arterial pressure and pulse pressure from systolic and diastolic blood pressure.
- [Glomerular Filtration Rate (eGFR) Calculator](https://calculatodo.com/en/glomerular-filtration-rate-egfr-calculator): Estimate eGFR using the race-free CKD-EPI 2021 creatinine equation, serum creatinine, age, and sex, with KDIGO G1–G5 reference categories.
- [Ovulation and Fertile Days Calculator](https://calculatodo.com/en/ovulation-fertile-days-calculator): Estimate ovulation dates and fertile days from cycle information.
## Finance Calculators
- [Compound Interest Calculator](https://calculatodo.com/en/compound-interest-calculator): Calculate compound interest with customizable principal, rate, time period, and compounding frequency.
- [VAT Calculator](https://calculatodo.com/en/vat-calculator): Calculate Value Added Tax using country-specific rates and precision settings.
- [Simple Interest Calculator](https://calculatodo.com/en/simple-interest-calculator): Calculate simple interest from principal, annual rate, and time period.
- [NPV and IRR Calculator](https://calculatodo.com/en/net-present-value-npv-and-irr-calculator): Calculate Net P
…Help agents understand your site
Optionally manage your description, publish terms for agents, review file health, measured discovery requests, publisher clicks and score history. Confirm domain control in your browser using a fresh token in your llms.txt, DNS, meta tag or well-known file. No backlink is required.
Manage this listing → · Agent and API instructions
Machine-readable: GET /v1/resolve?q=calculatodo.com · GET /v1/domain/calculatodo.com · this page as Accept: application/json or text/markdown · MCP lookup_domain