Horsepower-Torque-Rpm Conversion Chart - Parker 732 Series Owner's Manual

Bulletin HY25-1900-M1/US
General Information

Horsepower-Torque-RPM Conversion Chart

To find the Torque. Given: 100 HP at 1750 RPM
Then: with a straight edge on HP scale at 100 (Left Side) and on RPM scale at 1750.
Find Answer on T scale = 300 foot pounds torque (Middle).
Formula: HP x 5252 = T Foot Pounds Torque
RPM
To find the HP. Given: 3 pounds feet torque at 1750 RPM
Then: with a straight edge on the T scale at 3 (Middle) and on the RPM scale at 1750.
Find Answer on the HP scale = 1 Horsepower (Left Side)
Formula: T x RPM = HP Horsepower
RPM
1000
500
400
300
250
200
150
100
70
50
40
35
30
25
20
15
10
HP
Horsepower
Scale
200,000
10
9
8
100,000
7
6
50,000
5
40,000
30,000
4
20,000
3
2.5
10,000
2
5000
4000
1.5
3000
2000
1
.9
.8
1000
.7
.6
500
.5
400
.4
300
.35
200
.3
.25
100
.2
50
40
30
20
.1
Foot Pounds Scale
Owner's Manual
Legacy Split Shafts and Gear Box
2000
1000
500
400
300
200
100
50
40
30
20
10
5
4
3
2
1
.5
.4
.3
.2
T
Torque
7
30
40
50
60
70
80
90
100
150
200
300
400
500
600
700
800
900
1000
1500
2000
3000
RPM
Revolutions
Per Minute Scale
Parker Hannifin Corporation
Chelsea Products Division
Olive Branch, MS 38654 USA