๐Reading Time Calculator
Estimate reading time from a word count at any reading speed. Defaults to 200 words per minute โ the typical silent-reading speed for adults.
Worked examples
1,500-word article
GET /api/v1/calculators/reading-time-calculator?words=1500&wpm=200
Result: 7 min 30s
300-word intro
GET /api/v1/calculators/reading-time-calculator?words=300&wpm=200
Result: 1 min 30s
600-word wedding speech, read aloud
GET /api/v1/calculators/reading-time-calculator?words=600&wpm=130
Result: 4 min 37s
Machine API (x402)
$0.001 / callThis tool is also a JSON API for AI agents. Requests without payment receive 402 Payment Required plus instructions; agents pay USDC on Base via the x402 protocol โ no accounts, no API keys.
GET /api/v1/calculators/reading-time-calculator?words=1500&wpm=200 HTTP/1.1
Host: agenttools-hub.vercel.app
โ 402 (payment required, instructions in headers)
โ 200 (after X-PAYMENT header; JSON body below)
{
"tool": "calculators/reading-time-calculator",
"input": {"words":1500,"wpm":200},
"result": { "value": 7.5, "answer": "7 min 30s" }
}Agent docs: /llms.txt ยท OpenAPI spec ยท integration guide
About this tool
Convert a word count into reading or speaking time. The default 200 words per minute suits silent reading; use about 130 wpm for speeches and presentations.
minutes = words รท reading speed (words per minute)
Frequently asked questions
What is the average reading speed?
Adults average 200โ250 wpm for non-fiction silently; reading aloud drops to roughly 130 wpm. Speed readers exceed 400 wpm with some comprehension loss.