Originally written purely as an exercise in Javascript to show the kind of thing it - and we - could do, I, and quite a few others have actually used it quite a lot .

It is reasonably accurate but since I have limited it to 4 decimal places it is, in some cases, only a very close approximation.

Let me know if there are any other conversions of general interest I have overlooked.

Simply enter the amount  you wish to convert here . . (enter number only)

And the type of conversion here . . . . . . . . . . . . . . . AREA Acres to Hectares//1 Hectares to Acres//2 Sq Centimetres to Sq Inches//3 Sq Inches to Sq Centimetres//4 Sq Feet to Sq Metres//5 Sq Metres to Sq feet//6 Sq Metres to Sq Yards//7 Sq Yards to Sq Metres//8 LINEAR//9 Centimetres to feet//10 Feet to Centimetres//11 Inches to millimetres//12 Millimetres to inches//13 Metres to yards//14 Yards to Metres//15 DISTANCE//16 Kilometres to Miles//17 Miles to Kilometres//18 VELOCITY//19 k.p.h to m.p.h//20 m.p.h to k.p.h//21 Knots to m.p.h//22 m.p.h to knots//23 VOLUME/CAPACITY//24 Ccs to Fluid ounces//25 Fluid Ounces to Ccs//26 Ccs to Pints//27 Pints to Ccs//28 Litres to pints//29 Pints to litres//30 Litres to gallons (imp)//31 Gallons(imp) to Litres//32 WEIGHT//33 Grammes to ounces//34 Ounces to grammes//35 Kilogrammes to pounds//36 Pounds to kilogrammes//37 Tonnes(metric) to tons//38 Tons to metric tonnes//37