calculategravel.com valid
CalculateGravel
Free gravel and aggregate calculators. Estimates cubic yards, tons, cubic meters, kilograms, and bag count for any project shape and 12+ gravel types. US-first with metric support. All calculations are pure-client and use industry-standard ASTM, USGS, and ACI density data documented at calculategravel.com/methodology.
- Authority
- 46 reach 0 · trust 6 · quality 25 · freshness 15
- Tier
- listed
- llms.txt
- https://calculategravel.com/llms.txt
- llms-full.txt
- https://calculategravel.com/llms-full.txt
- Sections
- 6
- Links
- 35
- Size
- 7545 bytes
- Registered
- 2026-04-25
- Country
- Germany Hosting inference
- Hosting country
- Germany Hosting inference
- Country evidence
- No published address evidence collected yet
- For agents
- Documentation: developer or product docs worth reading, nothing to call
- First seen
- 2026-10-27T11:16:50.175Z
- Last checked
- 2026-10-27T11:16:54.111Z
- Badge
Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-27T11:16:50.192Z. Cached copy · Source on calculategravel.com
# CalculateGravel
> Free gravel and aggregate calculators. Estimates cubic yards, tons, cubic meters, kilograms, and bag count for any project shape and 12+ gravel types. US-first with metric support. All calculations are pure-client and use industry-standard ASTM, USGS, and ACI density data documented at calculategravel.com/methodology.
## Flagship calculator
- [Gravel Calculator (homepage)](https://calculategravel.com/): Multi-shape, multi-material flagship calculator. Rectangle, circle, triangle, ring, and multi-area. 12+ materials with cited density ranges. Built-in cost estimator, copy/share/print, dark mode, metric toggle.
## Project-specific calculators
- [Driveway Calculator](https://calculategravel.com/calculators/driveway): Two-layer driveway base + top course math (4 inches CA6 base + 2 inches #57 top is the standard residential spec).
- [Pea Gravel Calculator](https://calculategravel.com/calculators/pea-gravel): For paths, play areas, fire pit zones, and decorative beds. 2 inches is the typical depth.
- [Patio Gravel Calculator](https://calculategravel.com/calculators/patio): 4 inches of #57 stone is the residential patio base spec.
- [Paver Base Calculator](https://calculategravel.com/calculators/paver-base): 4 inches of CA6/21AA dense-grade base + 1 inch bedding sand under pavers.
- [French Drain Gravel Calculator](https://calculategravel.com/calculators/french-drain): 12+ inches of #57 stone wrapped around a 4-inch perforated drain pipe.
- [Aquarium Gravel Calculator](https://calculategravel.com/calculators/aquarium): 1–2 inches of substrate for freshwater tanks, 2–3 inches for planted tanks. Includes the 1 lb/gallon sanity check.
- [Shed Base Gravel Calculator](https://calculategravel.com/calculators/shed-base): 4 inches of #57 stone for a level, well-drained shed pad.
- [Concrete Mix Calculator (Sand, Gravel, Cement)](https://calculategravel.com/calculators/concrete-mix): 1:2:3, 1:2:4, or 1:3:5 volumetric ratios with 1.54 dry-volume factor and 0.5 water-cement ratio.
- [Retaining Wall Drainage Calculator](https://calculategravel.com/calculators/retaining-wall): 12 inches of #57 backfill behind any retaining wall.
- [Landscape Gravel Calculator](https://calculategravel.com/calculators/landscape): 3 inches of river rock or decorative stone over weed fabric.
- [Circular Gravel Calculator](https://calculategravel.com/calculators/circle): Locked-shape circle for fire pits, tree wells, and round patios.
- [Crushed Stone Calculator (#57, #8, #4)](https://calculategravel.com/calculators/crushed-stone): All AASHTO grades with size-specific density.
- [Gravel Cost Calculator](https://calculategravel.com/calculators/cost): Cost panel forced open. Defaults: $50/ton or $65/yd³, fully editable.
- [Gravel Calculator (Metric / UK / EU)](https://calculategravel.com/calculators/metric): m² / m³ / tonnes. UK MOT Type 1 base default.
## Material-specific calculators
- [#57 Stone Calculator](https://calculategravel.com/calculators/57-stone): L
…Related sites
Similar publisher descriptions and documentation. Similarity does not imply affiliation or equivalent capabilities.
| Domain | Title | Category | Country | Authority | llms.txt | llms-full.txt | Save |
|---|---|---|---|---|---|---|---|
| calculate-this.com | Calculate This! | documentation | FR | 51 | ✓ | ||
| concreteestimatorhub.com | Concrete Estimator Hub | documentation Construction and architecture | — | 46 | ✓ | ✓ | |
| mygravelmonkey.com | Gravel Monkey | transactional Construction and architecture Ecommerce | — | 51 | ✓ | ||
| gravelshop.com | Gravelshop | transactional Construction and architecture Ecommerce | DK | 54 | ✓ | ||
| concretenetwork.com | The Concrete Network | documentation Construction and architecture Local business | — | 60 | ✓ | ||
| buysand.com | Sand and Gravel Los Angeles Delivery | transactional Construction and architecture Ecommerce | US | 46 | ✓ | ||
| stonedepotmi.com | The Stone Depot | documentation | US | 46 | ✓ | ||
| artsyprettyplants.com | Artsy Pretty Plants | transactional | — | 48 | ✓ |
Machine-readable: GET /v1/resolve?q=calculategravel.com · GET /v1/domain/calculategravel.com · this page as Accept: application/json or text/markdown · MCP lookup_domain
Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.
Own or manage this website?
If you own or manage calculategravel.com, you can update its listing and review file health, discovery activity and score history.
Manage this listing — optional
What verification unlocks
See how your site is discovered—and control what agents see.
- See your website in the map
Review your indexed topics, nearby publishers sharing headings, measured listing exposure and map snapshots in a private report for your website.
- Control what agents see
Edit your listing description, tags, public contact details and additional llms.txt paths. Publish your terms for automated access, attribution and pricing.
- Make your profile eligible for search
A valid, listed, unblocked, verified profile can appear in our publisher sitemap and become eligible for search-engine visibility. Search engines decide what to index and rank.
- Appear in our llms-full.txt
Eligible verified publishers are listed by name, with their file links and summaries, in the service overview agents can read.
Free. No account registration, backlink or payment required. Public discovery remains available without verification.
Let your coding agent verify it
If your coding agent is authorized to manage this website, paste these instructions into it.
Claim my listing on Agent Web Map for calculategravel.com:
1. POST https://agentwebmap.com/v1/sites/calculategravel.com/claims and keep claim_id and claim_secret private.
2. Publish the verification line "AgentWebMap verification: <token>" (token from step 1) in https://calculategravel.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes. This only verifies the listing; your website and domain remain yours.
3. POST https://agentwebmap.com/v1/sites/calculategravel.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/calculategravel.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.