ForHosting KIT · Developer Utilities

Pulse pressure calculator

This pulse pressure calculator takes systolic and diastolic blood pressure in millimeters of mercury and returns the difference between them, often called pulse pressure, together with a simple low, normal, or high band.

● BetaFree · in your browser

Run — free How it works & API

Use it from WebAPIEmailTelegramApp soon

Pulse pressure is the numeric gap between the top and bottom cuff readings: for a classic one hundred twenty over eighty reading the pulse pressure is forty millimeters of mercury, while one hundred forty over seventy yields seventy and one hundred over seventy five yields twenty five. Those differences matter in textbooks, nursing quizzes, and fitness dashboards because a narrow gap and a wide gap are discussed differently even when mean pressure looks similar. The engine is fully deterministic: the same pair of pressures always yields the same rounded result, with no network calls, no sampling, and no date-dependent shortcuts. Use it free in the browser for homework, chart checks, and teaching demos, or call the API at $0.002 per successful request when you need reproducible pulse-pressure fixtures in CI, education software, or health calculators.

How to use it

Enter your values in the form above. The tool checks them before calculating and shows the result on the same page.

Check your inputs

Use the labels and units shown next to each field. If something is missing or outside the allowed range, the page points to the field to fix.

Use it again or automate it

Use the browser tool for individual checks and the API when you need the same capability in an automated workflow.

What you can do with it

Get an answer now

Enter one set of values and see the result without building a spreadsheet or script.

Compare scenarios

Change one value at a time and rerun the calculation to understand what affects the result.

Automate repeated work

Use the API when the same calculation needs to run inside your product or workflow.

FAQ

What does the pulse pressure calculator cost?

It is free in your browser on this page. Through the API a successful request costs $0.002; invalid inputs are not charged.

How is pulse pressure calculated?

Pulse pressure equals systolic minus diastolic, both in mmHg. Example: 120/80 yields 40 mmHg; 140/70 yields 70 mmHg.

What do low, normal, and high mean here?

Educational bands: low if pulse pressure is below 40 mmHg, normal if 40 through 60 inclusive, high if above 60. These are teaching thresholds, not a diagnosis.

What happens if diastolic is higher than systolic?

The input is rejected with invalid_input. Diastolic must not exceed systolic because pulse pressure is defined as systolic minus diastolic.

Is this medical advice?

No. The tool only subtracts two pressures and applies fixed educational bands. It does not diagnose conditions or replace clinical care.

For developers — API access

Everything on this page is available programmatically. This section is for teams who want to wire it into their own systems; everyone else can just use the tool above.

API endpoint

POSThttps://api.kit.forhosting.com/health/pulse-pressure

Prefer to automate it? One authenticated POST creates the task; the result comes back by webhook or a signed link. The same capability also runs here on the web, by email and from Telegram — and soon from our app too.

Call it from your stack

curl -X POST https://api.kit.forhosting.com/health/pulse-pressure \
  -H "Authorization: Bearer $KIT_KEY" \
  -H "Content-Type: application/json" \
  -d '{"systolic":120,"diastolic":80}'

const res = await fetch("https://api.kit.forhosting.com/health/pulse-pressure", {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${process.env.KIT_KEY}`,
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    "systolic": 120,
    "diastolic": 80
  })
});
const { task_id } = await res.json();

import os, requests

res = requests.post(
    "https://api.kit.forhosting.com/health/pulse-pressure",
    headers={"Authorization": f"Bearer {os.environ['KIT_KEY']}"},
    json={
    "systolic": 120,
    "diastolic": 80
},
)
task_id = res.json()["task_id"]

<?php
$res = file_get_contents("https://api.kit.forhosting.com/health/pulse-pressure", false, stream_context_create([
  "http" => [
    "method"  => "POST",
    "header"  => "Authorization: Bearer " . getenv("KIT_KEY") . "\r\nContent-Type: application/json",
    "content" => '{"systolic":120,"diastolic":80}',
  ],
]));
$task = json_decode($res, true);

body := bytes.NewBufferString(`{"systolic":120,"diastolic":80}`)
req, _ := http.NewRequest("POST", "https://api.kit.forhosting.com/health/pulse-pressure", body)
req.Header.Set("Authorization", "Bearer "+os.Getenv("KIT_KEY"))
req.Header.Set("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)

Example request

{
  "systolic": 120,
  "diastolic": 80
}

Example response

{
  "task_id": "tsk_a1b2c3d4e5f6a1b2c3d4e5f6",
  "type": "health.pulse_pressure",
  "status": "queued",
  "_links": {
    "result": "/tasks/tsk_…/result"
  }
}

The API is asynchronous: the call returns a task_id immediately and the result arrives by webhook. Polling is capped at 1 req/s per task.

Pricing

Per request$0.002

Published price — no tokens, no invented credits. A failed task is never charged.

Limits

`min_mmhg`	0
`max_mmhg`	400

Errors

HTTP	Code	Meaning
`401`	`unauthorized`	Missing or invalid API key.
`402`	`insufficient_balance`	Your balance doesn't cover the task price.
`404`	`unknown_type`	That task type doesn't exist.
`429`	`rate_limited`	Too many requests. Use the webhook instead of polling.

Read the full KIT documentation →

Run — free