Many American and Asian compressors, dryers and filters are rated in standard cubic feet per minute (SCFM), while European equipment usually quotes normal cubic metres per hour (Nm³/h). Use this converter to compare equipment fairly. Choose the SCFM reference that matches your data sheet, because the 60 °F and 68 °F definitions differ by about 1.5%.
Metric and imperial flow
Pick a direction, then enter an air capacity.
Air capacity in SCFM
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Reference conditions
| Unit | Temperature | Pressure | 1 Nm³/h equals |
|---|---|---|---|
| Nm³/h | 0 °C | 1.01325 bar(a) | 1 |
| SCFM (60 °F) | 15.56 °C | 14.696 psia (1.01325 bar(a)) | 0.6221 SCFM |
| SCFM (68 °F) | 20 °C | 14.696 psia (1.01325 bar(a)) | 0.6316 SCFM |