// multi-utility computation suite · offline · instant · precise
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│ [c] calcalyst_ │
│ computation suite │
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build.web-inp Calculator
Estimates Interaction to Next Paint (INP) from main thread blocking time and event handler duration, and benchmarks against Core Web Vitals (Good ≤200ms). INP replaced FID as the interactivity Core Web Vital in March 2024 — it captures the worst interaction in the session, not just the first.
Inputs
Input Delay Ms
Reference formula or conversion factor shown for context.
Processing Ms
Reference formula or conversion factor shown for context.
Presentation Ms
Reference formula or conversion factor shown for context.
Results
INP
Sample size or count used in the calculation.
rating
A standardised quality or risk rating on the applicable scale.