---
title: "30 km/h to mph = 18.64114 mph"
description: "30 kilometers per hour is 18.64114 miles per hour. The arithmetic, a table of nearby values, and a converter for any other number."
url: https://atoneplace.net/convert/30-kmh-to-mph/
site: "At One Place"
---

# 30 km/h to mph

**30 kilometers per hour in miles per hour: 30 km/h = 18.64114 mph**

mph = km/h × 0.6213711922

30 kilometers per hour is 18.64114 miles per hour. To get there, multiply by 0.6213711922.

## Values either side

*Kilometers per hour near 30, converted to miles per hour.*

| Kilometers per hour | Miles per hour |
| --- | --- |
| 26 km/h | 16.15565 |
| 27 km/h | 16.77702 |
| 28 km/h | 17.39839 |
| 29 km/h | 18.01976 |
| 30 km/h ← | 18.64114 |
| 32 km/h | 19.88388 |
| 35 km/h | 21.74799 |
| 36 km/h | 22.36936 |
| 37 km/h | 22.99073 |

## How the conversion works

The relationship is mph = km/h × 0.6213711922. Both units measure speed, so the conversion is a fixed factor that never changes.

## Common questions

### What is 30 km/h in miles per hour?

30 km/h is 18.64114 mph.

### How do you convert kilometers per hour to miles per hour?

Multiply by 0.6213711922.

## Related pages

- [Kilometers per hour to miles per hour](https://atoneplace.net/convert/kmh-to-mph/)
- [30 mph to km/h](https://atoneplace.net/convert/30-mph-to-kmh/)
- [26 km/h to mph](https://atoneplace.net/convert/26-kmh-to-mph/)
- [27 km/h to mph](https://atoneplace.net/convert/27-kmh-to-mph/)
- [28 km/h to mph](https://atoneplace.net/convert/28-kmh-to-mph/)
- [29 km/h to mph](https://atoneplace.net/convert/29-kmh-to-mph/)
- [32 km/h to mph](https://atoneplace.net/convert/32-kmh-to-mph/)
- [35 km/h to mph](https://atoneplace.net/convert/35-kmh-to-mph/)
- [36 km/h to mph](https://atoneplace.net/convert/36-kmh-to-mph/)
- [37 km/h to mph](https://atoneplace.net/convert/37-kmh-to-mph/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)