# Unit Conversion

Quick unit converters for **distance**, **weight** and **volume**, plus reference tables aimed at cyclists and bike-trials riders — **tyre pressure** (bar ↔ psi), **wheel and component sizes** (mm ↔ inch) and **bike weight** (kg ↔ lb). Type a value into any box and press *Calculate* to convert it across every unit in that row; press *Calibrate* to clear.

## Distance Unit Conversion Calculator

Meters
cm
mm
Inches
Feet
Yards
Miles
Nautical
Miles

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## Weight Unit Conversion Calculator

Grams
Ounces
Pounds
Troy
Pounds
Stones
Short
Tons
Long
Tons

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## Volume Unit Conversion Calculator

Liters
Fluid
Ounces
Quarts
Gallons
Imperial
Gallons

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*** Shoe Size Conversion Table ***

**US**

3

4

5

6

7

8

9

10

11

12

13

**European**

37

38

39

40

41

42

43

44

45

46

47

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*** Quick Reference for Cyclists ***

Handy fixed conversions for bike setup. Tyre pressure uses 1 bar = 14.5 psi, length 1 inch = 25.4 mm, and weight 1 kg = 2.205 lb.

**Tyre pressure — bar to psi**

**bar** 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 6.0

**psi** 22 29 36 44 51 58 65 73 87

**Length — inches to millimetres**

**inch** 1 1.5 2 2.4 20 24 26

**mm** 25.4 38.1 50.8 61.0 508 610 660

**Bike weight — kilograms to pounds**

**kg** 8 9 10 11 12 13 14

**lb** 17.6 19.8 22.0 24.3 26.5 28.7 30.9