Mass Flow Rate
mg/hrtolb/day
Convert milligrams per hour (mg/hr) to pounds per day (lb/day).
Factor1 mg/hr = 5.291094e-5 lb/day
Converter
mg/hr
Accepts numbers or expressions, e.g. 150 + 14.7
Result
lb/day
Rendered to 6 significant figures.
Formula
Formula
lb/day = mg/hr × 5.291094e-5
Multiply any value in milligrams per hour by 5.291094e-5 to obtain the value in pounds per day.
Worked example
Convert 100000 mg/hr to lb/day.
- 01Start with 100000 mg/hr.
- 02Multiply by the conversion factor: 100000 × 5.291094e-5 = 5.29109 lb/day.
Result100000 mg/hr = 5.29109 lb/day
Conversion table
| mg/hr | lb/day |
|---|---|
| 1 | 5.2911e-5 |
| 2 | 0.00010582 |
| 5 | 0.00026455 |
| 10 | 0.00052911 |
| 20 | 0.0010582 |
| 50 | 0.0026455 |
| 100 | 0.0052911 |
| 200 | 0.010582 |
| 500 | 0.026455 |
| 1000 | 0.052911 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from mg/hr to lb/day?
1 mg/hr equals 5.291094e-5 lb/day. To convert, multiply the value in milligrams per hour by 5.291094e-5.
How do I convert 1 mg/hr to lb/day?
1 mg/hr = 5.29109e-5 lb/day. For any value, multiply by 5.291094e-5.
How do I convert lb/day back to mg/hr?
Divide by the same factor — or equivalently, multiply by 18899.68. So 1 lb/day = 18899.7 mg/hr.
When would I need to convert milligram per hour to pound per day?
Mass flow conversions between mg/hr and lb/day 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).