Screen pixel density (PPI) from resolution and diagonal, physical size, CSS view
Screen pixel density (PPI) from resolution and diagonal, physical size, CSS viewport at a device pixel ratio, and image widths.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
296 msmedian answer time
$0.02listed price per call
$0.02price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://css-design-calc.x402tookit.com/pixel-density
| Category | Image and media |
|---|---|
| Provider host | css-design-calc.x402tookit.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.02 | 296 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"cssWidth": 400,
"diagonalIn": 27,
"dpr": 1,
"heightPx": 1440,
"widthPx": 2560
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"cssWidth": {
"description": "A CSS width in px to compute image pixel widths for (default 100)",
"type": "number"
},
"diagonalIn": {
"description": "Screen diagonal in inches",
"type": "number"
},
"dpr": {
"description": "Device pixel ratio the browser reports (default 1)",
"type": "number"
},
"heightPx": {
"description": "Vertical resolution in physical pixels",
"type": "number"
},
"widthPx": {
"description": "Horizontal resolution in physical pixels",
"type": "number"
}
},
"required": [
"widthPx",
"heightPx",
"diagonalIn"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"cssPixelPhysicalMm": {
"type": [
"null",
"number"
]
},
"cssViewportHeight": {
"type": [
"null",
"number"
]
},
"cssViewportWidth": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"dotPitchMm": {
"type": [
"null",
"number"
]
},
"dpr": {
"type": [
"null",
"number"
]
},
"heightInches": {
"type": [
"null",
"number"
]
},
"heightMm": {
"type": [
"null",
"number"
]
},
"idealDprForReferencePixel": {
"type": [
"null",
"number"
]
},
"imageWidthsForCssWidth": {
"properties": {
"1.5x": {
"type": [
"null",
"number"
]
},
"1x": {
"type": [
"null",
"number"
]
},
"2x": {
"type": [
"null",
"number"
]
},
"3x": {
"type": [
"null",
"number"
]
},
"atThisDpr": {
"type": [
"null",
"number"
]
},
"cssWidth": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"megapixels": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"ppi": {
"type": [
"null",
"number"
]
},
"ppiClass": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"widthInches": {
"type": [
"null",
"number"
]
},
"widthMm": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}