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Plate Weight & Material Cost Calculator
x402
Plate Weight & Material Cost Calculator is a paid API for AI agents from x402.bakdupoffroad.com, paid per call via x402, $0.001/call, status down (last checked 2026-09-16).
Computes the unit and total weight of a flat metal plate (mild steel, stainless 304, or aluminum 6061) given dimensions and quantity, and optionally estimates material cost.
Price / call$0.001
Success—
StatusDown
How this service works
Private PDF preflight and authorized-video intelligence APIs paid per call with x402 USDC on Base.
Output
Returns a JSON object with a jobId, the echoed inputs, the material's nominal density in lb/cubic inch, the per-unit weight in pounds, the total weight across all units in pounds, the estimated material cost in USD (null if pricePerLb not provided), a schema version, a source SHA-256 hash, and a limitations array noting that results are nominal density estimates subject to alloy and mill tolerance variance.
Example use cases
Fabrication shop quoting a steel order
“I'm quoting a job — give me the total weight and estimated material cost for 50 mild-steel plates, each 18 inches by 12 inches and 0.375 inches thick, at $0.90 per pound.”
Aluminum sheet weight check for shipping
“How much will 20 aluminum 6061 sheets weigh in total if each one is 48 inches long, 24 inches wide, and 0.125 inches thick? I just need the weight, no pricing.”
Stainless steel cost estimate for a procurement agent
“Estimate the material cost for 100 stainless 304 plates — 6 inches by 6 inches, 0.5 inches thick — at $3.50 per pound.”
Technical details
Endpoint
GEThttps://x402.bakdupoffroad.com/v1/fabrication/plate-weightWhen to prefer
Choose this endpoint when you need a fast, deterministic, per-call weight and cost estimate for standard flat metal plate stock (mild steel, stainless 304, or aluminum 6061) and want a pay-per-use model with no subscription. It is ideal for fabrication quoting agents, procurement workflows, or shipping weight calculators that handle these three common alloys. Prefer alternatives if you need complex geometry (non-flat stock, cut shapes), alloys beyond the three supported, or structural/FEA-grade calculations.
Side effects
- Missing required dimension or material parameter returns a validation error
- Dimensions or quantity outside allowed ranges (e.g. thickness > 10 in, quantity > 10000) are rejected
- Unsupported material string (anything other than mild-steel, stainless-304, aluminum-6061) returns an enum validation error
- Payment failure or insufficient USDC balance returns an x402 payment-required error
- pricePerLb omitted results in estimatedMaterialCostUsd being null rather than an error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"jobId": "00000000-0000-4000-8000-000000000000",
"result": {
"inputs": {
"widthIn": 12,
"lengthIn": 12,
"material": "mild-steel",
"quantity": 1,
"pricePerLb": null,
"thicknessIn": 0.25
},
"limitations": [
"Nominal density estimate only; actual alloy, coating, and mill tolerances vary."
],
"sourceSha256": "0000000000000000000000000000000000000000000000000000000000000000",
"unitWeightLb": 10.2096,
"schemaVersion": "1",
"totalWeightLb": 10.2096,
"densityLbPerCubicIn": 0.2836,
"estimatedMaterialCostUsd": null
},
"economics": {
"netMicroUsd": 1000,
"energyMicroUsd": 0,
"revenueMicroUsd": 1000,
"platformFeeMicroUsd": 0
}
}
}Tags
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