how long in inches is 21mm?
920322
21 millimeters = 0.826771654 inches\n\n--> http://www.google.com/search?hl=en&lr=&safe=off&q=21+mm+in+inches
369549
2.36 meters  = 236 cm \n2.54 cm = 1 inch\n\nso 236 /  2.54 = inches\n\n92.91 inches
519513
1 inch = 2.5 cm. Therefore, 6 inches is approx. 15cm.
922475
there are about 2.54 centimeters in an inch. No one is sure about the exact measurement
750429
2.54 cm = 1 inch\n10 mm = 1 cm\n25.4 mm = 1 inch\n2450mm(1inch/25.4mm) = 96.45669291\nso yes, you were right
448624
1 millimeter = 0.0393700787 inches \n1 inch = 25.4 millimeters
305438
1.7 meter = 66.929 133 858 inch\nThere are approx 40 inches to a meter\nTry http://www.onlineconversion.com/length_all.htm for an online conversion
841532
25.4 mm = 1 inch.\n\nCan we take this from here alone?
356146
one inch = 2.5 cm = 25 mm
210974
100cm = meter\n\n\n2.54cm = inch
540992
HOW LONG IS A LENGHT OF STRING?
228269
1 inch = 2.54 centimeters.\n\nYou take inches and multiply by 2.54 or centimeters and divide by 2.54.
292640
1 in(2.54cm/1 in)(10 mm/1 cm)\n= 25.4 mm or 2.54 x 10^1 mm
802479
2.54 cm = 1 inch\n\n((6 feet x 12 inches) + 6 inches) x 2,54 = 198.12 cm
256061
2 metres           4 secs \n4 metres           8 secs\n6 metres          12 secs        \ninto deep trouble 13 secs
354456
1 inch = 2.54cm \nso 65 inches X 2.54 = 156.1 cm
886387
half an inch---- 0.5 in.