Mass Flow RatePounds per Second to Kilograms per Second

Pounds per Second to Kilograms per Second

Methodology·How We Verify

Snapshot

1 Pounds per Second equals 0.453592 Kilograms per Second.

Reference basis: This conversion uses a fixed factor based on time-normalized rate definitions.
Example: For 0.1 Pounds per Second, the result equals 0.045359 Kilograms per Second.

Interactive conversion

Converter Calculator

Decimals: 1.5 or 1,5. Fractions: 1/2. Scientific notation: 1e3. Write 1000 without grouping separators.

0.453592 Kilograms per Second (kg/s)

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API and AI agent access

Pounds per Second to Kilograms per Second.

Machine-readable identifiers

Conversion family: mass-flow-rate
Source unit: pounds_per_second
Target unit: kilograms_per_second

Use these identifiers in the API request. Sources and model limits also apply to software clients.

Example API request and response

POST /api/v1/convert

Request

{
  "family": "mass-flow-rate",
  "value": 1,
  "from": "pounds_per_second",
  "to": "kilograms_per_second"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "mass-flow-rate",
    "value": 1,
    "from": "pounds_per_second",
    "to": "kilograms_per_second",
    "result": {
      "raw": 0.45359237,
      "display": "0.453592"
    },
    "canonicalPath": "/mass-flow-rate/pounds-per-second-to-kilograms-per-second/"
  }
}

API, OpenAPI and WebMCP documentation

Explanation

Multiply by 0.45359237 because 1 lb/s = 0.45359237 kg/s and 1 kg/s = 1 kg/s.

Method & Reference

Method basis: exact conversion formula shown in Snapshot.
Applied factor: 1 Pounds per Second = 0.453592 Kilograms per Second.
Consistency rule: calculator output and table values use the same constants and rounding policy.

Common Conversion Values

Pounds per Second (lb/s)	Kilograms per Second (kg/s)
0.1	0.045359
1	0.453592
10	4.536
60	27.216
100	45.359
1000	453.592
3600	1,632.93

Questions & answers

Frequently Asked Questions

What result does this Pounds per Second to Kilograms per Second page give for an input of 1?

For an input of 1 Pounds per Second, this page gives 0.453592 Kilograms per Second.

When would I convert pounds per second to kilograms per second?

This route is useful when translating mass flow rate values across SI and US customary conventions so process specs, feeder settings, and throughput calculations stay comparable.

How do I reverse Pounds per Second to Kilograms per Second?

Use the mirror Kilograms per Second to Pounds per Second route; it applies the inverse relationship with the same mass-flow-rate assumptions.