unit of measure
conversions equivalences

italiano misure english measure
Conversion table
Conversion factors in PDF

unit of measure of the surface (U.S.)

  inches square links square feet square yards square rods square chains square acres miles square centimeters square meters square hectares
inch s. 1 0.015942 0.006944 0.0007716 0.0000255 0.00000159 0.000000159 0.00000000024 6.451626 0.00064516 0.00000006
link s. 62.7264 1 0.4356 0.0484 0.0016 0.0001 0.00001 0.00000001562 404.6873 0.04046873 0.00000404
foot s. 144 2.295684 1 0.111111 0.003673 0.00022956 0.000022956 0.00000003587 929.0341 0.09290341 0.00000929
yard s. 1296 20.6612 9 1 0.0330578 0.00206612 0.000206612 0.00000032283 8361.307 0.8361307 0.00008361
rod s. 39204 625 272.25 30.25 1 0.0625 0.00625 0.00000976562 252929.5 25.29295 0.00252929
chain s. 627264 10000 4356 484 16 1 0.1 0.00015625 4046873 404.6873 0.0404687
acre 6272640 100000 43560 4840 160 10 1 0.0015625 40468726 4046.873 0.404687
mile s. 40144896 64.00000 27874400 3.097600 102400 6400 640 1 25899984703 2.589998 258.9998
centimeter s.  0.154999 0.002471 0.001076 0.0001195 0.0000039 0.00000024 0.000000024 0.00000000003 1 0.0001 0.00000001
meter s. 1549.9969 21.7104 10.76387 1.195985 0.0395367 0.00247104 0.000247104 0.0000003851 10000 1 0.0001
hectare 15499969 247104 107638.7 11959.85 395.367 24.7104 2.47104 0.003861006 100000000 10000 1

square inches (sq in.) square centimeters (cm2)
square feet (sq ft) square meters (m2)
square yard (sq yd) hectares (ha)
acres (acre) square kilometers (km2)
other quantity compared to the unit of 1 square meter
barn (b) = 1*10-28   rood = 1011.7124
circular inch = 5.067095*10-4   section = 2.589988*106
cicular mil (cm) = 5.067095*10-10   township = 9.32957*107
darcy = 0.987*10-12      
fermi (F) = 1*10-28      
 
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