Revolutions/Hour to Radian/Second Converter

Frequency Converter

13 units available

Decimals:

From

To

0.001745

1 rph = 0.001745 rad/s

Formula:

rad/s = rph × 0.0017453293

With your value: 1 rph = 0.00174533 rad/s

Other Revolutions/Hour to Radian/Second conversions

2 rph to rad/s 3 rph to rad/s 4 rph to rad/s 5 rph to rad/s 6 rph to rad/s 7 rph to rad/s 8 rph to rad/s

Revolutions/Hour to Radian/Second Conversion Table

Revolutions/Hour (rph)	Radian/Second (rad/s)
0.5	0.000873
1	0.001745
2	0.003491
5	0.008727
10	0.017453
15	0.02618
20	0.034907
25	0.043633
50	0.087266
100	0.174533
250	0.436332
500	0.872665
1000	1.745329

Radian/Second to Revolutions/Hour Conversion Table

Radian/Second (rad/s)	Revolutions/Hour (rph)
0.5	286.478898
1	572.957795
2	1,145.91559
5	2,864.788976
10	5,729.577951
15	8,594.366927
20	11,459.155903
25	14,323.944878
50	28,647.889757
100	57,295.779513
250	143,239.448783
500	286,478.897565
1000	572,957.795131

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

Radian/Second (rad/s)

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 Radian/Second

To convert from Revolutions/Hour (rph) to Radian/Second (rad/s), multiply the value by 0.0017453293.

Formula: rad/s = rph × 0.0017453293

Reverse: rph = rad/s × 572.9577951308

Step-by-Step Example

Start with your value in Revolutions/Hour. For example: 5 rph
Multiply by the conversion factor: 5 x 0.0017453293
The result is: 0.008727 rad/s

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 Radian/Second

The radian/second (rad/s) is a unit of frequency. One radian/second equals 0.1591549431 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.

Frequently Asked Questions

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

There are exactly 0.0017453293 Radian/Second in 1 Revolutions/Hour. This means the conversion factor from Revolutions/Hour to Radian/Second is 0.0017453293.

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

The formula to convert Revolutions/Hour to Radian/Second is: rad/s = rph × 0.0017453293. For example, to convert 10 Revolutions/Hour to Radian/Second, you would multiply 10 by 0.0017453293.

What is a Revolutions/Hour?