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AgentTools

Calculate X% of Y, what percent X is of Y, and the percent change between two values — with step-by-step working shown. Use this when an agent needs to percent of a number, ratios and percent change.

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
125 ms
Price
$0.002 per call
Paying buyers, last 30 days
2 (directory's own records)
Paid calls, last 30 days
6
Category
Calculators and conversions
Address
https://agenttools-hub.vercel.app/api/v1/calculators/percentage-calculator

Accuracy: paid answers checked against an independent record

Not yet in our paid checks. A seller we have not checked has neither passed nor failed.

For agents

This page as JSON: /sellers/ad3826e73bc4.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].