Convert Pound-moles per day to Pound-moles per hour
Convert Pound-moles per day (lb-mol/d) to Pound-moles per hour (lb-mol/h) instantly and accurately.
Conversion Formula
lb-mol/h = lb-mol/d × 0.04166666667
About Pound-moles per day
The pound-mole per day (lb-mol/d) equals 453.59237/86400 ≈ 5.249×10⁻³ mol/s, used for daily material-balance reconciliation in US petroleum refineries and chemical plants. Process computer logs accumulate flow integrals as lb-mol/d; pipeline natural-gas custody-transfer accounting also uses lb-mol/d figures in US contracts. 1 lb-mol/d ≈ 5.249×10⁻³ mol/s = 453.59 mol/d.
About Pound-moles per hour
The pound-mole per hour (lb-mol/h) equals 453.59237/3600 ≈ 0.12600 mol/s, the standard molar flow unit in US chemical process engineering simulation (Aspen Plus, HYSYS, Pro/II). Distillation column feed rates, reactor effluent streams, and compressor suction flows are universally expressed in lb-mol/h in US petrochemical and refinery design. 1 lb-mol/h = 453.59237/3600 mol/s ≈ 0.12600 mol/s ≈ 0.4536 kmol/h.
Quick Reference Table
| Pound-moles per day (lb-mol/d) | Pound-moles per hour (lb-mol/h) |
|---|---|
| 1 lb-mol/d | 0.0416667 lb-mol/h |
| 2 lb-mol/d | 0.0833333 lb-mol/h |
| 5 lb-mol/d | 0.208333 lb-mol/h |
| 10 lb-mol/d | 0.416667 lb-mol/h |
| 25 lb-mol/d | 1.04167 lb-mol/h |
| 50 lb-mol/d | 2.08333 lb-mol/h |
| 100 lb-mol/d | 4.16667 lb-mol/h |