Please type a value into the lefthand column. Click in the righthand column to see the result. This calculator should work off-line (i.e. when disconnected from phone-line). Go to:   Length | Area | Mass and Weight Liquid Volume | Temperature Length Conversions Key Initial Value Conversion Factor Click for Result   inches   x 25.4 =   millimetres   feet   x 30.48 =   centimetres   yards x 0.9144 =   metres   miles x 1.609 =   kilometres --   millimetres x 0.0394 =   inches   centimetres x 0.3937 =   inches   metres x 1.0936 =   yards   kilometres x 0.6214 =   miles Go to:   Length | Area | Mass and Weight Liquid Volume | Temperature Area Conversions Key Initial Value Conversion Factor Click for Result   sq. inches x 6.4516 =   square cm   sq. feet x 0.0929 =   sq. metres   sq. yards x 0.8361 =   sq. metres   sq. miles x 2.590 =   sq kilometre   sq. acres x 0.4047 =   sq hectares --   square cm x 0.155 =   sq. inches   sq. metres x 1.196 =   sq. yards   sq. kilometre x 0.3861 =   sq. miles   sq. hectares x 2.4711 =   sq. acres Go to:   Length | Area | Mass and Weight Liquid Volume | Temperature Mass and Weight Key Initial Value Conversion Factor Click for Result   fluid ounces x 28.413 =   grams   pounds x 0.4536 =   kilograms   UK (long) tons x 1.0160 =   met. tonnes   USA short tons x 0.9072 =   met. tonnes --   grams x 0.0352 =   fluid ounces   kilograms x 2.2046 =   pounds   metric tonnes x 0.9842 =   UK long tons   metric tonnes x 1.1023 =   short tons Go to:   Length | Area | Mass and Weight Liquid Volume | Temperature Liquid Volume Conversion Key Initial Value Conversion Factor Click for Result   flu. ounces x 28.413 =   millilitres   UK pints x 0.568 =   litres   UK quarts x 1.136 =   litres   UK gallons x 4.546 =   litres --   millilitres x 0.0352 =   flu. ounces   litres x 1.7598 =   UK pints   litres x 0.877 =   UK quarts   litres x 0.2199 =   UK gallons Go to:   Length | Area | Mass and Weight Liquid Volume | Temperature Temperature Conversion Key Initial Value Conversion Factor Click for Result  Fahrenheit - 32 x 5/9 =   Celsius   Celsius x 9/5 + 32 =   Fahrenheit This calculator should work off-line (i.e. when disconnected from phone-line).