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| 20 Millimeters Per Hour | to common speed units |
|---|---|
| 20 mm/h | = 1.2427433786686E-5 miles per hour (mi/h) |
| 20 mm/h | = 2.0712389644476E-7 miles per minute (mi/m) |
| 20 mm/h | = 3.452064940746E-9 miles per second (mi/s) |
| 20 mm/h | = 2.0E-5 kilometers per hour (km/h) |
| 20 mm/h | = 3.3333293333413E-7 kilometers per minute (km/m) |
| 20 mm/h | = 5.55556E-9 kilometers per second (km/s) |
| 20 mm/h | = 5.55556E-6 meters per second (m/s) |
| 20 mm/h | = 0.02 meters per hour (m/h) |
| 20 mm/h | = 1.0799154038146E-5 knots (kn) |
| 20 mm/h | = 1.853135344719E-14 speed of light (c) |