* Niðurstaða tommu brotsins er námunduð að næsta 1/64 broti.
1 sentímetri er jafnt og 0.3937007874 tommur:
1cm = (1 / 2.54) ″ = 0.3937007874
Fjarlægðin d í tommum (″) er jöfn fjarlægðinni d í sentimetrum (cm) deilt með 2,54:
d (″) = d (cm) / 2,54
Umreikna 20 cm í tommur:
d (″) = 20cm / 2,54 = 7,874 ″
Brotin tommur eru ávalar í 1/64 upplausn.
| Sentimetrar (cm) | Tommur (") (aukastaf) |
Tommur (") (brot) |
|---|---|---|
| 0,01 cm | 0,0039 in | 0 í |
| 0,1 cm | 0,0394 in | 3/64 in |
| 1 cm | 0,3937 inn | 25/64 in |
| 2 cm | 0,7874 in | 25/32 í |
| 3 cm | 1.1811 in | 1 3/16 tommur |
| 4 cm | 1.5748 in | 1 37/64 in |
| 5 cm | 1.9685 in | 1 31/32 in |
| 6 cm | 2.3622 in | 2 23/64 in |
| 7 cm | 2.7559 in | 2 3/4 tommur |
| 8 cm | 3.1496 in | 3 5/32 in |
| 9 cm | 3.5433 in | 3 35/64 in |
| 10 cm | 3.9370 in | 3 15/16 in |
| 20 cm | 7.8740 in | 7 7/8 in |
| 30 cm | 11.8110 in | 11 13/16 in |
| 40 cm | 15,7840 in | 15 3/4 in |
| 50 cm | 19.6850 in | 19 11/16 in |
| 60 cm | 23.6220 in | 23 5/8 in |
| 70 cm | 27.5591 in | 27 9/16 in |
| 80 cm | 31.4961 in | 31 1/2 í |
| 90 cm | 35.4331 in | 35 7/16 in |
| 100 cm | 39.3701 in | 39 3/8 in |
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