Soil Volume

{
  "areaSqFt": 32,
  "asOf": "2026-10-11T20:20:04.052Z",
  "bagCuFt": 1.5,
  "bagsNeeded": 24,
  "coverageSqFtPerCuYdAtThisDepth": 27,
  "degraded": false,
  "depthFt": 1,
  "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
  "mix": [
    {
      "bags": 12,
      "cuFt": 17.6,
      "cuYd": 0.652,
      "litres": 498.4,
      "name": "topsoil",
      "parts": 5,
      "percent": 50
    },
    {
      "bags": 8,
      "cuFt": 10.56,
      "cuYd": 0.391,
      "litres": 299,
      "name": "compost",
      "parts": 3,
      "percent": 30
    }
  ],
  "notChecked": [
    "real bed shape: sloped sides, mounds and tapered beds change the volume (split an odd bed into rectangles and circles and add them)",
    "how much the soil compacts: settling varies from 5% (screened soil) to 25% (loose compost)",
    "…2 more"
  ],
  "reasons": [
    "Volume = area x depth; 1 cubic yard = 27 cubic feet = 764.6 litres.",
    "A cubic yard covers 324 square feet one inch deep."
  ],
  "settlingPercent": 10,
  "shape": "rectangle",
  "source": "computed locally",
  "summary": "8 x 4 ft bed at 1 ft deep holds 32 cubic feet (1.19 cubic yards, 906 litres); with 10% for settling order 35.2 cubic feet, 24 bags of 1.5.",
  "verdict": "COMPUTED",
  "volumeCuFt": 32,
  "volumeCuYd": 1.185,
  "volumeLitres": 906.1,
  "volumeM3": 0.9061,
  "volumeWithSettlingCuFt": 35.2,
  "volumeWithSettlingCuYd": 1.304,
  "volumeWithSettlingLitres": 996.8
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://garden-calc.x402tookit.com/soil-volume?depth=1&lengthOrDiameter=8&mix=topsoil%3A5%3B+compost%3A3%3B+perlite%3A2&settlingPercent=10&shape=rectangle&unit=ft&width=4'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://garden-calc.x402tookit.com/soil-volume?depth=1&lengthOrDiameter=8&mix=topsoil%3A5%3B+compost%3A3%3B+perlite%3A2&settlingPercent=10&shape=rectangle&unit=ft&width=4' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fgarden-calc.x402tookit.com%2Fsoil-volume
const res = await pay("https://garden-calc.x402tookit.com/soil-volume?depth=1&lengthOrDiameter=8&mix=topsoil%3A5%3B+compost%3A3%3B+perlite%3A2&settlingPercent=10&shape=rectangle&unit=ft&width=4");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://garden-calc.x402tookit.com/soil-volume?depth=1&lengthOrDiameter=8&mix=topsoil%3A5%3B+compost%3A3%3B+perlite%3A2&settlingPercent=10&shape=rectangle&unit=ft&width=4")
    print(res.status_code, res.text)