CONVERSION Between BARS and PSI:
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General Information
To convert weights to pounds from kilograms, the formula is the following: kg X 2.2 = lbs., example: 100 kg X 2.2 = 220 lbs.

To convert weights to kilograms from pounds, the formula is the following: lbs. X 0.45 = kg, example: 200 lbs X 0.45 = 90 kg.


E.T.R.T.O. : (European Tyre and Rim Technical Organization)
Conversion BETWEEN INCHES AND millimetERs
NOTE: In many cases, the conversion does not match exactly between inches, millimeters or ETRTO. It is necessary to round the measurements in order to have markings in all of the standards.
Ex: 26X2.00 (52X559).
To convert to PSI (Pound per Square Inch) pressures indicated in bar, the formula is:
bar X 14.5 = PSI, example: 2 bars X 14.5 = 29 PSI

To convert to bar pressures indicated in PSI, the formula is: PSI X 0.07 = bar,
example: 30 PSI X 0.07 = 2.1 bar.
CONVERSION BETWEEN KILOGRAMS AND POUNDS:
Inches 1.00” 1.10” 1.15” 1.20” 1.25” 1.30” 1.35” 1.40” 1.45” 1.
Inches 1.60” 1.65” 1.70” 1.75” 1.80” 1.85” 1.90” 1.95” 2.00” 2.
Inches 2.15” 2.20” 2.25” 2.30” 2.35” 2.40” 2.45” 2.50” 2.55” 2.
Inches 2.70” 2.75” 2.80” 2.85” 2.90” 2.95” 3.00” 3.05” 3.10” 3.
Bar 0.5 1 1.5 2 PSI 7 15 22 29
Bar 2.5 3 3.5 4 PSI 36 44 51 58
Bar 4.5 5 5.5 6 PSI 65 73 80 87
Bar 6.5 7 7.5 8 PSI 94 102 109 116
Bar 8.5 9 9.5 10 PSI 123 131 138 145
kg. 10 20 30 40 50 60 70 80 90 100 lbs. 22 44 66 88 110 132 154
kg. 110 120 130 140 150 160 170 180 190 200 lbs. 242 264 286 30