rankine → celsius

Convert temperature from rankine to celsius. Pass ?value=N.

1 rankine = -272.594444444 celsius. To convert, multiply the number of rankine by -272.594444444. The reverse direction is celsius → rankine.

Common rankine to celsius values

rankine	celsius
1 rankine	-272.594444444 celsius
2 rankine	-272.038888889 celsius
5 rankine	-270.372222222 celsius
10 rankine	-267.594444444 celsius
25 rankine	-259.261111111 celsius
100 rankine	-217.594444444 celsius
1000 rankine	282.405555556 celsius

Input

Field	Type	Description
value *	string	Temperature value

Example output

{
  "value": 100,
  "from": "rankine",
  "to": "celsius",
  "result": -217.5944
}

Try it — see the 402 challenge (free)

curl -i "https://agent402.tools/api/convert/rankine-to-celsius?value=100"

The response is HTTP 402 Payment Required with exact payment requirements. Any x402 v2 client pays automatically and retries:

Paid call (JavaScript agent)

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

const client = new x402Client();
registerExactEvmScheme(client, { signer: privateKeyToAccount(KEY) });
const payFetch = wrapFetchWithPayment(fetch, client);

const res = await payFetch("https://agent402.tools/api/convert/rankine-to-celsius?value=100");

No wallet? Pay with compute

This is a pure-CPU tool, so an agent without a wallet can pay with proof-of-work instead of USDC: fetch a challenge, solve it (16 leading zero bits), and resend with the X-Pow-Solution header.

import { createHash } from "node:crypto";
const lz = (b) => { let t = 0; for (const x of b) { if (!x) { t += 8; continue; } t += Math.clz32(x) - 24; break; } return t; };
const c = await (await fetch("https://agent402.tools/api/pow/challenge?slug=convert-rankine-to-celsius")).json();
let n = 0;
while (lz(createHash("sha256").update(c.challenge + ":" + n).digest()) < c.difficulty) n++;
await fetch("https://agent402.tools/api/convert/rankine-to-celsius", { method: "GET", headers: { "X-Pow-Solution": c.token + ":" + n } });

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