Revolutions/Hour to Revolutions/Second Converter

Frequency Converter

13 units available

Decimals:

From

To

0.000278

1 rph = 0.000278 rps

Formula:

rps = rph × 0.0002777778

With your value: 1 rph = 0.00027778 rps

Other Revolutions/Hour to Revolutions/Second conversions

2 rph to rps 3 rph to rps 4 rph to rps 5 rph to rps 6 rph to rps 7 rph to rps 8 rph to rps

Revolutions/Hour to Revolutions/Second Conversion Table

Revolutions/Hour (rph)	Revolutions/Second (rps)
0.5	0.000139
1	0.000278
2	0.000556
5	0.001389
10	0.002778
15	0.004167
20	0.005556
25	0.006944
50	0.013889
100	0.027778
250	0.069444
500	0.138889
1000	0.277778

Revolutions/Second to Revolutions/Hour Conversion Table

Revolutions/Second (rps)	Revolutions/Hour (rph)
0.5	1,800
1	3,600
2	7,200
5	18,000
10	36,000
15	54,000
20	72,000
25	90,000
50	180,000
100	360,000
250	900,000
500	1,800,000
1000	3,600,000

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Revolutions/Hour (rph)

Frequency

SI definition

Derived from the hertz (1 Hz = 1 s⁻¹), traceable to the SI second.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Revolutions/Second (rps)

Frequency

SI definition

Derived from the hertz (1 Hz = 1 s⁻¹), traceable to the SI second.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Revolutions/Hour to Revolutions/Second

To convert from Revolutions/Hour (rph) to Revolutions/Second (rps), multiply the value by 0.0002777778.

Formula: rps = rph × 0.0002777778

Reverse: rph = rps × 3,600

Step-by-Step Example

Start with your value in Revolutions/Hour. For example: 5 rph
Multiply by the conversion factor: 5 x 0.0002777778
The result is: 0.001389 rps

About Revolutions/Hour

The revolutions/hour (rph) is a unit of frequency. One revolutions/hour equals 0.0002777777778 hertzs. UnitConvertLab converts it against every other frequency unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: frequency calculations, engineering and science, education.

About Revolutions/Second

The revolutions/second (rps) is a unit of frequency. One revolutions/second equals 1 hertz. UnitConvertLab converts it against every other frequency unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: frequency calculations, engineering and science, education.

Frequently Asked Questions

How many Revolutions/Second are in 1 Revolutions/Hour?

There are exactly 0.0002777778 Revolutions/Second in 1 Revolutions/Hour. This means the conversion factor from Revolutions/Hour to Revolutions/Second is 0.0002777778.

What is the formula to convert Revolutions/Hour to Revolutions/Second?

The formula to convert Revolutions/Hour to Revolutions/Second is: rps = rph × 0.0002777778. For example, to convert 10 Revolutions/Hour to Revolutions/Second, you would multiply 10 by 0.0002777778.

What is a Revolutions/Hour?