Convert Moles per hour to Kilomoles per second

Convert Moles per hour (mol/h) to Kilomoles per second (kmol/s) instantly and accurately.

Moles per hour (mol/h)
Kilomoles per second (kmol/s)

Conversion Formula

kmol/s = mol/h × 2.777777778e-7

About Moles per hour

The mole per hour (mol/h) equals 1/3600 mol/s ≈ 2.778×10⁻⁴ mol/s, practical for pilot-plant flow chemistry, laboratory gas manifold flow, and hydrogen production by small electrolysers. A 1 kW alkaline electrolyser at 100% Faradaic efficiency produces ≈18 mol H₂/h; bench-scale packed-bed reactors handle feed rates in mol/h. 1 mol/h ≈ 2.778×10⁻⁴ mol/s ≈ 0.002205 lb-mol/h.

About Kilomoles per second

The kilomole per second (kmol/s) equals 1 000 mol/s, characterising the very largest industrial chemical processes. A world-scale ammonia synthesis plant produces ≈3 kmol/s of NH₃; a large steam methane reformer converts natural gas at ≈10 kmol/s. It is the preferred unit in European process simulation when outputs are in the thousands of tonnes per day. 1 kmol/s = 1 000 mol/s = 3 600 kmol/h.

Quick Reference Table

Moles per hour (mol/h)Kilomoles per second (kmol/s)
1 mol/h2.778 × 10-7 kmol/s
2 mol/h5.556 × 10-7 kmol/s
5 mol/h1.389 × 10-6 kmol/s
10 mol/h2.778 × 10-6 kmol/s
25 mol/h6.944 × 10-6 kmol/s
50 mol/h1.389 × 10-5 kmol/s
100 mol/h2.778 × 10-5 kmol/s

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