maxon Conversion tables
General Information Quantities and their basic units in the International System of Measurements (SI) Quantity Basic- unit
Power
P [W]
B
A oz-in-s -1 oz-in-min -1 in-lbf-s -1
ft-lbf-s -1 W= N · ms -1
mW kpm s -1 mNm min -1
W=N · ms -1 7.06 · 10 -3 1.17 · 10 -4
0.113
1.356
1
1 · 10 -3
9.807
2 p ⁄
60000
mW
7.06
0.117 1/60 1 ⁄ 11520
112.9 1.356 · 10 3
1 · 10 3 141.6
1
9.807 · 10 3
2 p ⁄
Sign
60
oz-in-s -1 ft-lbf-s -1 kpm s -1
1
16 1 ⁄ 12
192
0.142 1.39 · 10 3 2.36 · 10 -3
1 ⁄ 192
1
0.737 0.737 · 10 -3 0.102 0.102 · 10 -3
7.233 1.23 · 10 -5
Length Mass Time
Meter Kilogram Second Ampere Kelvin
m kg s
7.20 · 10 -4 1.2 · 10 -5
1.15 · 10 -2
0.138
1
1.70 · 10 -6
Electrical current Thermodynamic Temperature
A K
Torque
M [Nm]
A oz-in
ft-lbf 1.356
Nm = Ws Ncm mNm kpm pcm
Conversion Example A known unit B unit sought known:
B
1
1 · 10 -2
1 · 10 -3
9.807 9.807 · 10 -5 9.807 · 10 3 9.807 ·10 -2
Nm 7.06 · 10 -3
mNm
7.06 1.356 · 10 3
1 · 10 3
10
1
multiply by sought:
kpm 7.20 · 10 -4
0.138
0.102 0.102 · 10 -2 0.102 · 10 -3
1
1 · 10 -5
oz-in
7.06
mNm
oz-in ft-lbf
1
192
141.6
1.416
0.142 1.39 · 10 3 1.39 · 10 -2
Factors used for … … conversions: 1 oz
1 ⁄ 192
1
0.737 0.737 · 10 -2 0.737 · 10 -3
7.233 7.233 · 10 -5
= 2.834952313 · 10 -2 kg
1 in = 2.54 · 10 -2 m … gravitational acceleration: g = 9.80665 m s -2 = 386.08858 in s -2 … derived units : 1 yd = 3 ft = 36 in 1 lb
Moment of Inertia
J [kg m 2 ]
A oz-in 2
oz-in-s 2
lb-in 2
lb-in-s 2 Nms 2 =kgm 2 mNm s 2
gcm 2
kpm s 2
B
g cm 2
182.9 7.06 · 10 4 2.93 · 10 3 1.13 · 10 6
1 · 10 7
1 · 10 4 1 · 10 -3
1
9.807 · 10 7
kgm 2 =Nms 2 1.83 · 10 -5 7.06 · 10 -3 2.93 · 10 -4
0.113
1
1 · 10 -7
9.807
1
386.08 24.130
16
6.18 · 10 3 5.46 · 10 4 386.08 3.41 · 10 3
54.6 5.46 ·10 -3 5.35 · 10 5
oz-in 2 lb-in 2
= 16 oz = 7000 gr (grains) = 1 kg · 9.80665 ms -2
1 ⁄ 16
1
3.41
3.41 ·10 -4 3.35 · 10 4
1 kp 1 N 1 W 1 J
= 1 kgms -2
= 1 Nms -1 = 1 kgm 2 s -3
Mass
g B A oz m [kg] Force
F [N]
= 1 Nms -1 = 1 Ws Decimal multiples and fractions of units Prefix
A oz
lb gr (grain)
kg
lbf
N kp
p
B
kg 28.35 ·10 -3 0.454 64.79·10 -6
1
1 · 10 -3
N 0.278 4.448 1
9.807 9.807·10 -3
Abbre- viation
Multiply Prefix Abbre- viation
Multiply
g 28.35 0.454 · 10 3 64.79·10 -3 1 · 10 3
1
kp 0.028 0.454 0.102 1
1 · 10 -3
oz lb
1
16 2.28 · 10 -3 35.27 35.27 · 10 3 oz 1
16 3.600 35.27 35.27 · 10 -3 0.225 2.205 2.205 · 10 -3 1
Dezi . . d Zenti . . c Mikro . . m Nano . . n Piko . . p
10 -1 10 -2 10 -6 10 -9 10 -12
Deka . . da Hekto . . h Kilo . . k
10 1 10 2 10 3
1 ⁄ 16
1
1 ⁄ 7000
2.205 2.205 · 10 3 lbf
1 ⁄ 16
gr (grain) 437.5 7000
1 15.43 · 10 3 15.43 · 10 6 pdl 2.011 32.17 7.233 70.93 70.93 · 10 -3
Milli . . m 10 -3
Mega . . M 10 6 Giga . . G 10 9
Length
l [m]
Tera . . T
10 12
A in
ft
yd
Mil
m cm mm
B
m
0.305
0.914 25.4 · 10 -6 91.4 25.4 · 10 -4 914 25.4 · 10 -3
1
0.01
1 · 10 -3
1 · 10 -6 1 · 10 -4 1 · 10 -3
m 25.4 · 10 -3 cm 2.54 mm 25.4
Arc definition
30.5 305
1 · 10 2 1 · 10 3 39.37 3.281
1
0.1
10
1
in ft
1
12
36
1 · 10 -3 1 ⁄ 12 · 10 -3
0.394 3.94 · 10 -2 3.94 · 10 -5 3.281 · 10 -2 3.281 · 10 -3 3.281 · 10 -6
1 ⁄ 12
1
3
Angular Velocity
w [s -1 ] Angular Acceleration
a [s -2 ]
A s -1 = Hz
A min -2
rad s -1
s -2
rad s -2
min -1 s -1
rpm
B
B
rad s -1
1
s -2
1 ⁄ 3600
1
1 ⁄ 60
2 p 1 ⁄ 60
p ⁄
1 ⁄ 2 p
30
1
rad s -2
1
rpm
30 ⁄ p
p ⁄
2 p
p ⁄
1800
30
Linear Velocity
m min -1 v [m s -1 ]
A in-s -1
in-min -1
ft-s -1
ft-min -1
m s -1
cm s -1 1 · 10 -2
mm s -1 1 · 10 -3
B
m s -1 in-s -1 ft-s -1
2.54 · 10 -2 4.23 · 10 -4
0.305 5.08 · 10 -3
1
1 ⁄ 60
1
60
12
720
39.37 39.37 · 10 -2 39.37 · 10 -3
0.656
1 ⁄ 12
5
1
60
3.281
3.281 · 10 -2 3.281 · 10 -3 5.46 · 10 -2
Temperature
T [K]
A
(°F -305.15) / 1.8 ° Fahrenheit
° Celsius = Centigrade
Kelvin
B
+ 273.15
1
Kelvin ° Celsius ° Fahrenheit
(°F -32) / 1.8
1
-273.15
Units used in this brochure
1
1.8°C + 32
1.8 K + 305.15
76
maxon
March 2021 edition / subject to change
Made with FlippingBook Publishing Software