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This page provides useful calculators and converters

BMI Calculator	Metric Converters	Nitrox Converters	Shoe Size Converter
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Calculate your Body Mass Index (BMI) in Metric A BMI of below 30 is recommended for diving   Enter Height in m:   Enter Weight in kg:     Your BMI:
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Calculate your Body Mass Index (BMI) in Imperial A BMI of below 30 is recommended for diving   Enter Height in inches:   Enter Weight in pounds:     Your BMI:
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Convert your weight and height to metric Enter any combination in the boxes below and click the Convert buttons Height: Enter Feet   Enter Inches     Height in cm:   Weight: Enter Stones   Enter lbs     Weight in kg:
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Nitrox calculations   I accept that these calculations are for information only and that I hold a suitable nitrox qualification to understand the results of these calculations   Determine Max Depth for a given Mix: Enter Mix   % Enter PP02     Max Depth:   m Determine Max Mix for given Depth: Enter Depth   m Enter PPO2     Max Mix:   %   Determine EAD for given Mix: Enter Mix   % Enter Depth   m   EAD:   m
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Shoe Size Conversion Chart Europe UK Boys UK Girls UK Men UK Women 26   8     26.5   8.5     27   9     27.5   9.5     28   10     28.5   10.5     29 11 11     29.7 11.5 11.5     30.5 12 12     31 12.5 12.5     31.5 13 13     33 13.5 13.5     33.5 1 1     34 1.5 1.5     34.7 2 2     35 2.5 2.5 3 2.5 35.5 3   3.5 3 36 3.5   4 3.5 37 4   4.5 4 37.5 4.5   5 4.5 38     5.5 5 38.5     6 5.5 39     6.5 6 40     7 6.5 41     7.5 7 42     8 7.5 43     8.5 8 44     10 9.5 45     11 10.5 46.5     12 11.5 48.5     13.5 13