Pressure altitude from field elevation and altimeter setting (inHg or hPa), exac
Pressure altitude from field elevation and altimeter setting (inHg or hPa), exact ISA result and the 1000 ft per inHg rule.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
496 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://aviation-calc.x402tookit.com/pressure-altitude
| Category | Everything else |
|---|---|
| Provider host | aviation-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 | $0.02 | 496 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"altimeter": 29.42,
"elevationFt": 5000,
"unit": "inhg"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"altimeter": {
"description": "Altimeter setting (QNH): inHg like 29.92 or hPa like 1013",
"type": "number"
},
"elevationFt": {
"description": "Field or aircraft elevation in feet, -1500 to 30000",
"type": "number"
},
"unit": {
"description": "inhg (default) or hpa",
"type": "string"
}
},
"required": [
"elevationFt",
"altimeter"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"altimeterHpa": {
"type": [
"null",
"number"
]
},
"altimeterInHg": {
"type": [
"null",
"number"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"differenceFromElevationFt": {
"type": [
"null",
"number"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"elevationFt": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"pressureAltitudeFt": {
"type": [
"null",
"number"
]
},
"pressureAltitudeRuleOfThumbFt": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"stationPressureHpa": {
"type": [
"null",
"number"
]
},
"stationPressureInHg": {
"type": [
"null",
"number"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}