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Como converter polegadas para milímetros

Multiplique o valor em in por 25,4: o resultado está em mm.

mm = in × 25,4No sentido inverso, 1 mm = 0,03937007874 in.

Onde estas duas unidades se usam

A polegada vale exatamente 2,54 centímetros e mede as telas no mundo inteiro, mesmo nos países que só usam o sistema métrico. O milímetro é a menor graduação que uma régua comum mostra, e a unidade das alturas de chuva como das tolerâncias de maquinação. A oficina fá-los coabitar: os parafusos encomendam-se em milímetros, a tubagem e as brocas ficam em polegadas, e um desenho mistura muitas vezes ambos na mesma vista.

Tabela de conversão, polegadas para milímetros

1 in25,4 mm
2 in50,8 mm
5 in127 mm
10 in254 mm
20 in508 mm
50 in1.270 mm
100 in2.540 mm
500 in12.700 mm
1.000 in25.400 mm
Ver todos os valores
  • 1 in = 25,4 mm
  • 2 in = 50,8 mm
  • 3 in = 76,2 mm
  • 4 in = 101,6 mm
  • 5 in = 127 mm
  • 6 in = 152,4 mm
  • 7 in = 177,8 mm
  • 8 in = 203,2 mm
  • 9 in = 228,6 mm
  • 10 in = 254 mm
  • 11 in = 279,4 mm
  • 12 in = 304,8 mm
  • 13 in = 330,2 mm
  • 14 in = 355,6 mm
  • 15 in = 381 mm
  • 16 in = 406,4 mm
  • 17 in = 431,8 mm
  • 18 in = 457,2 mm
  • 19 in = 482,6 mm
  • 20 in = 508 mm
  • 21 in = 533,4 mm
  • 22 in = 558,8 mm
  • 23 in = 584,2 mm
  • 24 in = 609,6 mm
  • 25 in = 635 mm
  • 26 in = 660,4 mm
  • 27 in = 685,8 mm
  • 28 in = 711,2 mm
  • 29 in = 736,6 mm
  • 30 in = 762 mm
  • 31 in = 787,4 mm
  • 32 in = 812,8 mm
  • 33 in = 838,2 mm
  • 34 in = 863,6 mm
  • 35 in = 889 mm
  • 36 in = 914,4 mm
  • 37 in = 939,8 mm
  • 38 in = 965,2 mm
  • 39 in = 990,6 mm
  • 40 in = 1.016 mm
  • 41 in = 1.041,4 mm
  • 42 in = 1.066,8 mm
  • 43 in = 1.092,2 mm
  • 44 in = 1.117,6 mm
  • 45 in = 1.143 mm
  • 46 in = 1.168,4 mm
  • 47 in = 1.193,8 mm
  • 48 in = 1.219,2 mm
  • 49 in = 1.244,6 mm
  • 50 in = 1.270 mm
  • 51 in = 1.295,4 mm
  • 52 in = 1.320,8 mm
  • 53 in = 1.346,2 mm
  • 54 in = 1.371,6 mm
  • 55 in = 1.397 mm
  • 56 in = 1.422,4 mm
  • 57 in = 1.447,8 mm
  • 58 in = 1.473,2 mm
  • 59 in = 1.498,6 mm
  • 60 in = 1.524 mm
  • 61 in = 1.549,4 mm
  • 62 in = 1.574,8 mm
  • 63 in = 1.600,2 mm
  • 64 in = 1.625,6 mm
  • 65 in = 1.651 mm
  • 66 in = 1.676,4 mm
  • 67 in = 1.701,8 mm
  • 68 in = 1.727,2 mm
  • 69 in = 1.752,6 mm
  • 70 in = 1.778 mm
  • 71 in = 1.803,4 mm
  • 72 in = 1.828,8 mm
  • 73 in = 1.854,2 mm
  • 74 in = 1.879,6 mm
  • 75 in = 1.905 mm
  • 76 in = 1.930,4 mm
  • 77 in = 1.955,8 mm
  • 78 in = 1.981,2 mm
  • 79 in = 2.006,6 mm
  • 80 in = 2.032 mm
  • 81 in = 2.057,4 mm
  • 82 in = 2.082,8 mm
  • 83 in = 2.108,2 mm
  • 84 in = 2.133,6 mm
  • 85 in = 2.159 mm
  • 86 in = 2.184,4 mm
  • 87 in = 2.209,8 mm
  • 88 in = 2.235,2 mm
  • 89 in = 2.260,6 mm
  • 90 in = 2.286 mm
  • 91 in = 2.311,4 mm
  • 92 in = 2.336,8 mm
  • 93 in = 2.362,2 mm
  • 94 in = 2.387,6 mm
  • 95 in = 2.413 mm
  • 96 in = 2.438,4 mm
  • 97 in = 2.463,8 mm
  • 98 in = 2.489,2 mm
  • 99 in = 2.514,6 mm
  • 100 in = 2.540 mm
  • 101 in = 2.565,4 mm
  • 102 in = 2.590,8 mm
  • 103 in = 2.616,2 mm
  • 104 in = 2.641,6 mm
  • 105 in = 2.667 mm
  • 106 in = 2.692,4 mm
  • 107 in = 2.717,8 mm
  • 108 in = 2.743,2 mm
  • 109 in = 2.768,6 mm
  • 110 in = 2.794 mm
  • 111 in = 2.819,4 mm
  • 112 in = 2.844,8 mm
  • 113 in = 2.870,2 mm
  • 114 in = 2.895,6 mm
  • 115 in = 2.921 mm
  • 116 in = 2.946,4 mm
  • 117 in = 2.971,8 mm
  • 118 in = 2.997,2 mm
  • 119 in = 3.022,6 mm
  • 120 in = 3.048 mm
  • 121 in = 3.073,4 mm
  • 122 in = 3.098,8 mm
  • 123 in = 3.124,2 mm
  • 124 in = 3.149,6 mm
  • 125 in = 3.175 mm
  • 126 in = 3.200,4 mm
  • 127 in = 3.225,8 mm
  • 128 in = 3.251,2 mm
  • 129 in = 3.276,6 mm
  • 130 in = 3.302 mm
  • 131 in = 3.327,4 mm
  • 132 in = 3.352,8 mm
  • 133 in = 3.378,2 mm
  • 134 in = 3.403,6 mm
  • 135 in = 3.429 mm
  • 136 in = 3.454,4 mm
  • 137 in = 3.479,8 mm
  • 138 in = 3.505,2 mm
  • 139 in = 3.530,6 mm
  • 140 in = 3.556 mm
  • 141 in = 3.581,4 mm
  • 142 in = 3.606,8 mm
  • 143 in = 3.632,2 mm
  • 144 in = 3.657,6 mm
  • 145 in = 3.683 mm
  • 146 in = 3.708,4 mm
  • 147 in = 3.733,8 mm
  • 148 in = 3.759,2 mm
  • 149 in = 3.784,6 mm
  • 150 in = 3.810 mm
  • 151 in = 3.835,4 mm
  • 152 in = 3.860,8 mm
  • 153 in = 3.886,2 mm
  • 154 in = 3.911,6 mm
  • 155 in = 3.937 mm
  • 156 in = 3.962,4 mm
  • 157 in = 3.987,8 mm
  • 158 in = 4.013,2 mm
  • 159 in = 4.038,6 mm
  • 160 in = 4.064 mm
  • 161 in = 4.089,4 mm
  • 162 in = 4.114,8 mm
  • 163 in = 4.140,2 mm
  • 164 in = 4.165,6 mm
  • 165 in = 4.191 mm
  • 166 in = 4.216,4 mm
  • 167 in = 4.241,8 mm
  • 168 in = 4.267,2 mm
  • 169 in = 4.292,6 mm
  • 170 in = 4.318 mm
  • 171 in = 4.343,4 mm
  • 172 in = 4.368,8 mm
  • 173 in = 4.394,2 mm
  • 174 in = 4.419,6 mm
  • 175 in = 4.445 mm
  • 176 in = 4.470,4 mm
  • 177 in = 4.495,8 mm
  • 178 in = 4.521,2 mm
  • 179 in = 4.546,6 mm
  • 180 in = 4.572 mm
  • 181 in = 4.597,4 mm
  • 182 in = 4.622,8 mm
  • 183 in = 4.648,2 mm
  • 184 in = 4.673,6 mm
  • 185 in = 4.699 mm
  • 186 in = 4.724,4 mm
  • 187 in = 4.749,8 mm
  • 188 in = 4.775,2 mm
  • 189 in = 4.800,6 mm
  • 190 in = 4.826 mm
  • 191 in = 4.851,4 mm
  • 192 in = 4.876,8 mm
  • 193 in = 4.902,2 mm
  • 194 in = 4.927,6 mm
  • 195 in = 4.953 mm
  • 196 in = 4.978,4 mm
  • 197 in = 5.003,8 mm
  • 198 in = 5.029,2 mm
  • 199 in = 5.054,6 mm
  • 200 in = 5.080 mm
  • 205 in = 5.207 mm
  • 210 in = 5.334 mm
  • 215 in = 5.461 mm
  • 220 in = 5.588 mm
  • 225 in = 5.715 mm
  • 230 in = 5.842 mm
  • 235 in = 5.969 mm
  • 240 in = 6.096 mm
  • 245 in = 6.223 mm
  • 250 in = 6.350 mm
  • 255 in = 6.477 mm
  • 260 in = 6.604 mm
  • 265 in = 6.731 mm
  • 270 in = 6.858 mm
  • 275 in = 6.985 mm
  • 280 in = 7.112 mm
  • 285 in = 7.239 mm
  • 290 in = 7.366 mm
  • 295 in = 7.493 mm
  • 300 in = 7.620 mm
  • 305 in = 7.747 mm
  • 310 in = 7.874 mm
  • 315 in = 8.001 mm
  • 320 in = 8.128 mm
  • 325 in = 8.255 mm
  • 330 in = 8.382 mm
  • 335 in = 8.509 mm
  • 340 in = 8.636 mm
  • 345 in = 8.763 mm
  • 350 in = 8.890 mm
  • 355 in = 9.017 mm
  • 360 in = 9.144 mm
  • 365 in = 9.271 mm
  • 370 in = 9.398 mm
  • 375 in = 9.525 mm
  • 380 in = 9.652 mm
  • 385 in = 9.779 mm
  • 390 in = 9.906 mm
  • 395 in = 10.033 mm
  • 400 in = 10.160 mm
  • 405 in = 10.287 mm
  • 410 in = 10.414 mm
  • 415 in = 10.541 mm
  • 420 in = 10.668 mm
  • 425 in = 10.795 mm
  • 430 in = 10.922 mm
  • 435 in = 11.049 mm
  • 440 in = 11.176 mm
  • 445 in = 11.303 mm
  • 450 in = 11.430 mm
  • 455 in = 11.557 mm
  • 460 in = 11.684 mm
  • 465 in = 11.811 mm
  • 470 in = 11.938 mm
  • 475 in = 12.065 mm
  • 480 in = 12.192 mm
  • 485 in = 12.319 mm
  • 490 in = 12.446 mm
  • 495 in = 12.573 mm
  • 500 in = 12.700 mm
  • 510 in = 12.954 mm
  • 520 in = 13.208 mm
  • 530 in = 13.462 mm
  • 540 in = 13.716 mm
  • 550 in = 13.970 mm
  • 560 in = 14.224 mm
  • 570 in = 14.478 mm
  • 580 in = 14.732 mm
  • 590 in = 14.986 mm
  • 600 in = 15.240 mm
  • 610 in = 15.494 mm
  • 620 in = 15.748 mm
  • 630 in = 16.002 mm
  • 640 in = 16.256 mm
  • 650 in = 16.510 mm
  • 660 in = 16.764 mm
  • 670 in = 17.018 mm
  • 680 in = 17.272 mm
  • 690 in = 17.526 mm
  • 700 in = 17.780 mm
  • 710 in = 18.034 mm
  • 720 in = 18.288 mm
  • 730 in = 18.542 mm
  • 740 in = 18.796 mm
  • 750 in = 19.050 mm
  • 760 in = 19.304 mm
  • 770 in = 19.558 mm
  • 780 in = 19.812 mm
  • 790 in = 20.066 mm
  • 800 in = 20.320 mm
  • 810 in = 20.574 mm
  • 820 in = 20.828 mm
  • 830 in = 21.082 mm
  • 840 in = 21.336 mm
  • 850 in = 21.590 mm
  • 860 in = 21.844 mm
  • 870 in = 22.098 mm
  • 880 in = 22.352 mm
  • 890 in = 22.606 mm
  • 900 in = 22.860 mm
  • 910 in = 23.114 mm
  • 920 in = 23.368 mm
  • 930 in = 23.622 mm
  • 940 in = 23.876 mm
  • 950 in = 24.130 mm
  • 960 in = 24.384 mm
  • 970 in = 24.638 mm
  • 980 in = 24.892 mm
  • 990 in = 25.146 mm
  • 1.000 in = 25.400 mm
  • 1.025 in = 26.035 mm
  • 1.050 in = 26.670 mm
  • 1.075 in = 27.305 mm
  • 1.100 in = 27.940 mm
  • 1.125 in = 28.575 mm
  • 1.150 in = 29.210 mm
  • 1.175 in = 29.845 mm
  • 1.200 in = 30.480 mm
  • 1.225 in = 31.115 mm
  • 1.250 in = 31.750 mm
  • 1.275 in = 32.385 mm
  • 1.300 in = 33.020 mm
  • 1.325 in = 33.655 mm
  • 1.350 in = 34.290 mm
  • 1.375 in = 34.925 mm
  • 1.400 in = 35.560 mm
  • 1.425 in = 36.195 mm
  • 1.450 in = 36.830 mm
  • 1.475 in = 37.465 mm
  • 1.500 in = 38.100 mm
  • 1.525 in = 38.735 mm
  • 1.550 in = 39.370 mm
  • 1.575 in = 40.005 mm
  • 1.600 in = 40.640 mm
  • 1.625 in = 41.275 mm
  • 1.650 in = 41.910 mm
  • 1.675 in = 42.545 mm
  • 1.700 in = 43.180 mm
  • 1.725 in = 43.815 mm
  • 1.750 in = 44.450 mm
  • 1.775 in = 45.085 mm
  • 1.800 in = 45.720 mm
  • 1.825 in = 46.355 mm
  • 1.850 in = 46.990 mm
  • 1.875 in = 47.625 mm
  • 1.900 in = 48.260 mm
  • 1.925 in = 48.895 mm
  • 1.950 in = 49.530 mm
  • 1.975 in = 50.165 mm
  • 2.000 in = 50.800 mm
  • 2.050 in = 52.070 mm
  • 2.100 in = 53.340 mm
  • 2.150 in = 54.610 mm
  • 2.200 in = 55.880 mm
  • 2.250 in = 57.150 mm
  • 2.300 in = 58.420 mm
  • 2.350 in = 59.690 mm
  • 2.400 in = 60.960 mm
  • 2.450 in = 62.230 mm
  • 2.500 in = 63.500 mm
  • 2.550 in = 64.770 mm
  • 2.600 in = 66.040 mm
  • 2.650 in = 67.310 mm
  • 2.700 in = 68.580 mm
  • 2.750 in = 69.850 mm
  • 2.800 in = 71.120 mm
  • 2.850 in = 72.390 mm
  • 2.900 in = 73.660 mm
  • 2.950 in = 74.930 mm
  • 3.000 in = 76.200 mm
  • 3.050 in = 77.470 mm
  • 3.100 in = 78.740 mm
  • 3.150 in = 80.010 mm
  • 3.200 in = 81.280 mm
  • 3.250 in = 82.550 mm
  • 3.300 in = 83.820 mm
  • 3.350 in = 85.090 mm
  • 3.400 in = 86.360 mm
  • 3.450 in = 87.630 mm
  • 3.500 in = 88.900 mm
  • 3.550 in = 90.170 mm
  • 3.600 in = 91.440 mm
  • 3.650 in = 92.710 mm
  • 3.700 in = 93.980 mm
  • 3.750 in = 95.250 mm
  • 3.800 in = 96.520 mm
  • 3.850 in = 97.790 mm
  • 3.900 in = 99.060 mm
  • 3.950 in = 100.330 mm
  • 4.000 in = 101.600 mm
  • 4.050 in = 102.870 mm
  • 4.100 in = 104.140 mm
  • 4.150 in = 105.410 mm
  • 4.200 in = 106.680 mm
  • 4.250 in = 107.950 mm
  • 4.300 in = 109.220 mm
  • 4.350 in = 110.490 mm
  • 4.400 in = 111.760 mm
  • 4.450 in = 113.030 mm
  • 4.500 in = 114.300 mm
  • 4.550 in = 115.570 mm
  • 4.600 in = 116.840 mm
  • 4.650 in = 118.110 mm
  • 4.700 in = 119.380 mm
  • 4.750 in = 120.650 mm
  • 4.800 in = 121.920 mm
  • 4.850 in = 123.190 mm
  • 4.900 in = 124.460 mm
  • 4.950 in = 125.730 mm
  • 5.000 in = 127.000 mm
  • 5.100 in = 129.540 mm
  • 5.200 in = 132.080 mm
  • 5.300 in = 134.620 mm
  • 5.400 in = 137.160 mm
  • 5.500 in = 139.700 mm
  • 5.600 in = 142.240 mm
  • 5.700 in = 144.780 mm
  • 5.800 in = 147.320 mm
  • 5.900 in = 149.860 mm
  • 6.000 in = 152.400 mm
  • 6.100 in = 154.940 mm
  • 6.200 in = 157.480 mm
  • 6.300 in = 160.020 mm
  • 6.400 in = 162.560 mm
  • 6.500 in = 165.100 mm
  • 6.600 in = 167.640 mm
  • 6.700 in = 170.180 mm
  • 6.800 in = 172.720 mm
  • 6.900 in = 175.260 mm
  • 7.000 in = 177.800 mm
  • 7.100 in = 180.340 mm
  • 7.200 in = 182.880 mm
  • 7.300 in = 185.420 mm
  • 7.400 in = 187.960 mm
  • 7.500 in = 190.500 mm
  • 7.600 in = 193.040 mm
  • 7.700 in = 195.580 mm
  • 7.800 in = 198.120 mm
  • 7.900 in = 200.660 mm
  • 8.000 in = 203.200 mm
  • 8.100 in = 205.740 mm
  • 8.200 in = 208.280 mm
  • 8.300 in = 210.820 mm
  • 8.400 in = 213.360 mm
  • 8.500 in = 215.900 mm
  • 8.600 in = 218.440 mm
  • 8.700 in = 220.980 mm
  • 8.800 in = 223.520 mm
  • 8.900 in = 226.060 mm
  • 9.000 in = 228.600 mm
  • 9.100 in = 231.140 mm
  • 9.200 in = 233.680 mm
  • 9.300 in = 236.220 mm
  • 9.400 in = 238.760 mm
  • 9.500 in = 241.300 mm
  • 9.600 in = 243.840 mm
  • 9.700 in = 246.380 mm
  • 9.800 in = 248.920 mm
  • 9.900 in = 251.460 mm
  • 10.000 in = 254.000 mm

As frações de polegada

1/16 in1,59 mm
1/8 in3,18 mm
3/16 in4,76 mm
1/4 in6,35 mm
5/16 in7,94 mm
3/8 in9,52 mm
7/16 in11,11 mm
1/2 in12,7 mm
9/16 in14,29 mm
5/8 in15,88 mm
11/16 in17,46 mm
3/4 in19,05 mm
13/16 in20,64 mm
7/8 in22,22 mm
15/16 in23,81 mm
1 in25,4 mm

Fatores retirados da brochura do SI (BIPM) e da Special Publication 811 do NIST. Metodologia e fontes.

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