XConvert Other Unit ConvertersDownloads Compress MP4

Millimeters per hour to Miles per hour conversion

Millimeters per hour to Miles per hour conversion table

Millimeters per hour (mm/h)	Miles per hour (mph)
0	0
1	6.2137119223733e-7
2	0.000001242742384475
3	0.000001864113576712
4	0.000002485484768949
5	0.000003106855961187
6	0.000003728227153424
7	0.000004349598345661
8	0.000004970969537899
9	0.000005592340730136
10	0.000006213711922373
20	0.00001242742384475
30	0.00001864113576712
40	0.00002485484768949
50	0.00003106855961187
60	0.00003728227153424
70	0.00004349598345661
80	0.00004970969537899
90	0.00005592340730136
100	0.00006213711922373
1000	0.0006213711922373

How to convert millimeters per hour to miles per hour?

To convert millimeters per hour (mm/h) to miles per hour (mph), you'll need to understand the relationship between millimeters and miles, as well as the conversion factor between the two units.

Here are the conversion factors you'll need:

1 mile = 1,609,344 millimeters
1 hour = 1 hour (no conversion needed for time)

To convert 1 mm/h to mph, you divide the number of millimeters per hour by the number of millimeters in a mile:

$\frac{1 \text{ mm}}{1 \text{ hour}} \times \frac{1 \text{ mile}}{1,609,344 \text{ mm}}$

This simplifies to:

$\frac{1}{1,609,344} \text{ miles per hour} \approx 6.2137 \times 10^{-7} \text{ mph}$

So, 1 mm/h is approximately $6.2137 \times 10^{-7}$ mph.

Real-World Examples with Other Quantities

Rainfall:
- 10 mm/h: Heavy rainfall. $\frac{10 \text{ mm}}{1 \text{ hour}} \times \frac{1 \text{ mile}}{1,609,344 \text{ mm}} \approx 6.2137 \times 10^{-6} \text{ mph}$
Snail Pace (extremely slow walking):
- 50 mm/h: A very slow-moving snail. $\frac{50 \text{ mm}}{1 \text{ hour}} \times \frac{1 \text{ mile}}{1,609,344 \text{ mm}} \approx 3.1069 \times 10^{-5} \text{ mph}$
Sediment Transport in Rivers (a geological process):
- 200 mm/h: Slow sediment transport. $\frac{200 \text{ mm}}{1 \text{ hour}} \times \frac{1 \text{ mile}}{1,609,344 \text{ mm}} \approx 1.2427 \times 10^{-4} \text{ mph}$
Lava Flow Speed:
- 5,000 mm/h: Moderately slow lava flow. $\frac{5,000 \text{ mm}}{1 \text{ hour}} \times \frac{1 \text{ mile}}{1,609,344 \text{ mm}} \approx 3.1069 \times 10^{-3} \text{ mph}$

In each of these examples, you can use the same conversion process to determine the speed in miles per hour: by multiplying the speed in mm/h by the conversion factor $\frac{1 \text{ mile}}{1,609,344 \text{ mm}}$ . These examples illustrate how you can take a variety of natural and real-world processes and convert their speeds from millimeters per hour to miles per hour for easier comprehension or comparison.

See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the Miles per hour to other unit conversions.

What is millimeters per hour?

A unit of measurement!

Millimeters per hour (mm/h) is a unit of speed or rate, typically used to measure the movement or flow of something.

In essence, it means that something is moving or changing at a rate of 1 millimeter every hour. To put it in perspective:

If you're walking at a pace of 5 mm/h, that's very slow (about 0.2 miles per hour).
If you're driving on the highway and doing 60 mph, that's equivalent to about 15,240 mm/h!

Millimeters per hour can be used to describe various physical phenomena, such as:

Water flow rates in pipes
Oil or fuel leak rates from a spill
Soil erosion rates due to wind or water
Movement of objects or particles in a fluid

Now you know what millimeters per hour means!

What is Miles per hour?

Miles per hour measures speed. This unit of speed measures how many miles traveled in one hour. Its is part of the British imperial and US customary unit. Commonly, express as mph, MPH or mi/h.

Miles per hour can be calculated using following formula. Please note that $t$ is in hours

mph = \frac{x}{t}

$mph$ - Miles per hour
$x$ - Number of miles
$h$ - Hour
$t$ - Time in hours

Wiki page for Miles Wiki page for Miles per hour

Complete Millimeters per hour conversion table

Enter # of Millimeters per hour

Convert 1 mm/h to other units	Result
Millimeters per hour to Metres per second (mm/h to m/s)	2.7777777777778e-7
Millimeters per hour to Kilometres per hour (mm/h to km/h)	0.000001
Millimeters per hour to Miles per hour (mm/h to mph)	6.2137119223733e-7
Millimeters per hour to Knots (mm/h to knot)	5.3995701367277e-7
Millimeters per hour to Feet per second (mm/h to ft/s)	9.1134465830667e-7
Millimeters per hour to Feet per minute (mm/h to ft/min)	0.00005468083989557
Millimeters per hour to Inches per hour (mm/h to in/h)	0.03937713512277

Millimeters per hour to Miles per hour conversion