Mass Flow RatePounds per Hour to Pounds per Second

Pounds per Hour to Pounds per Second

Methodology·How We Verify

Snapshot

1 Pounds per Hour equals 0.000277777778 Pounds per Second.

Reference basis: This conversion uses a fixed factor based on time-normalized rate definitions.
Example: For 0.1 Pounds per Hour, the result equals 0.000027777778 Pounds per Second.

Interactive conversion

Converter Calculator

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

0.000277777778 Pounds per Second (lb/s)

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API and AI agent access

Pounds per Hour to Pounds per Second.

Machine-readable identifiers

Conversion family: mass-flow-rate
Source unit: pounds_per_hour
Target unit: pounds_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_hour",
  "to": "pounds_per_second"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "mass-flow-rate",
    "value": 1,
    "from": "pounds_per_hour",
    "to": "pounds_per_second",
    "result": {
      "raw": 0.0002777777777777778,
      "display": "0.000277777778"
    },
    "canonicalPath": "/mass-flow-rate/pounds-per-hour-to-pounds-per-second/"
  }
}

API, OpenAPI and WebMCP documentation

Explanation

Multiply by 0.0002777777777777778 because 1 lb/h = 0.00012599788055555556 kg/s and 1 lb/s = 0.45359237 kg/s.

Method & Reference

Method basis: exact conversion formula shown in Snapshot.
Applied factor: 1 Pounds per Hour = 0.000277777778 Pounds per Second.
Consistency rule: calculator output and table values use the same constants and rounding policy.

Common Conversion Values

Pounds per Hour (lb/h)	Pounds per Second (lb/s)
0.1	0.000027777778
1	0.000277777778
10	0.002777778
60	0.016667
100	0.027778
1000	0.277778
3600	1

Questions & answers

Frequently Asked Questions

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

For an input of 1 Pounds per Hour, this page gives 0.000277777778 Pounds per Second.

Does this Pounds per Hour to Pounds per Second page stay inside pound-based mass-flow-rate units?

Yes. Pound-based mass-flow-rate routes use fixed kilogram equivalents through one kilograms-per-second normalization path, so hourly and per-second throughput values stay aligned across the page.

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

This route is useful when translating pound-based mass flow rates between per-second and per-hour reporting for equipment sizing, process throughput, and US customary engineering workflows.

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

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