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Mass Flow Rate

lb/daytolb/min

Convert pounds per day (lb/day) to pounds per minute (lb/min).

Factor1 lb/day = 0.0006944444 lb/min

Converter

lb/day

Accepts numbers or expressions, e.g. 150 + 14.7

Result
6.94444lb/min

Rendered to 6 significant figures.

Formula

Formula
lb/min = lb/day × 0.0006944444

Multiply any value in pounds per day by 0.0006944444 to obtain the value in pounds per minute.

Worked example

Convert 10000 lb/day to lb/min.

  1. 01Start with 10000 lb/day.
  2. 02Multiply by the conversion factor: 10000 × 0.0006944444 = 6.94444 lb/min.
Result10000 lb/day = 6.94444 lb/min

Conversion table

lb/daylb/min
10.00069444
20.0013889
50.0034722
100.0069444
200.013889
500.034722
1000.069444
2000.13889
5000.34722
10000.69444

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from lb/day to lb/min?
1 lb/day equals 0.0006944444 lb/min. To convert, multiply the value in pounds per day by 0.0006944444.
How do I convert 1 lb/day to lb/min?
1 lb/day = 0.000694444 lb/min. For any value, multiply by 0.0006944444.
How do I convert lb/min back to lb/day?
Divide by the same factor — or equivalently, multiply by 1440. So 1 lb/min = 1440 lb/day.
When would I need to convert pound per day to pound per minute?
Mass flow conversions between lb/day and lb/min are common in material balances, process stream summaries, bulk solids handling, custody transfer, and equipment sizing where kg/hr, t/hr, lb/hr, and lb/s may all appear in different datasheets or vendor documents.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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