Core Web Vitals Budget Calculator
Check LCP, INP, and CLS against strict Core Web Vitals thresholds and get targeted performance actions.
About This Tool
Enter measured LCP, INP, and CLS values and see the overall Core Web Vitals status immediately.
The tool is built for frontend releases, SEO QA, and performance triage where a clear pass/review/fail signal matters.
LCP
2.40 s
INP
180 ms
CLS
0.080
Status
Pass
How to Use
- 1
Enter the values you need or paste your text into the input area.
- 2
Adjust any options, units, or settings for your exact use case.
- 3
Review the result and copy it into your document, workflow, or next task.
Features
Instant Results
Outputs update directly in the browser as you enter values.
Browser-Based Processing
Your inputs are handled locally and are not uploaded for calculation.
Simple Inputs
Clear fields and readable outputs keep repeat tasks fast.
Free to Use
Use the tool immediately with no sign-up or installation.
Common use cases
- ›Review Core Web Vitals values from PageSpeed Insights, CrUX, or RUM dashboards.
- ›Prioritize whether loading, interaction, or visual stability needs work first.
- ›Create a strict performance gate before publishing a page.
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