| 納米 | 1 nm | 2 nm | 3 nm | 4 nm | 5 nm | 6 nm | 7 nm | 8 nm | 9 nm | 10 nm | 11 nm | 12 nm | 13 nm | 14 nm | 15 nm | 16 nm | 17 nm | 18 nm | 19 nm | 20 nm | 21 nm | 22 nm | 23 nm | 24 nm | 25 nm | 26 nm | 27 nm | 28 nm | 29 nm | 30 nm | 31 nm | 32 nm | 33 nm | 34 nm | 35 nm | 36 nm | 37 nm | 38 nm | 39 nm | 40 nm | 41 nm | 42 nm | 43 nm | 44 nm | 45 nm | 46 nm | 47 nm | 48 nm | 49 nm | 50 nm | 51 nm | 52 nm | 53 nm | 54 nm | 55 nm | 56 nm | 57 nm | 58 nm | 59 nm | 60 nm | 61 nm | 62 nm | 63 nm | 64 nm | 65 nm | 66 nm | 67 nm | 68 nm | 69 nm | 70 nm | 71 nm | 72 nm | 73 nm | 74 nm | 75 nm | 76 nm | 77 nm | 78 nm | 79 nm | 80 nm | 81 nm | 82 nm | 83 nm | 84 nm | 85 nm | 86 nm | 87 nm | 88 nm | 89 nm | 90 nm | 91 nm | 92 nm | 93 nm | 94 nm | 95 nm | 96 nm | 97 nm | 98 nm | 99 nm | 100 nm |
| 分米 | 1.0 × 10-8 dm | 2.0 × 10-8 dm | 3.0 × 10-8 dm | 4.0 × 10-8 dm | 5.0 × 10-8 dm | 6.0 × 10-8 dm | 7.0 × 10-8 dm | 8.0 × 10-8 dm | 9.0 × 10-8 dm | 1.0 × 10-7 dm | 1.1 × 10-7 dm | 1.2 × 10-7 dm | 1.3 × 10-7 dm | 1.4 × 10-7 dm | 1.5 × 10-7 dm | 1.6 × 10-7 dm | 1.7 × 10-7 dm | 1.8 × 10-7 dm | 1.9 × 10-7 dm | 2.0 × 10-7 dm | 2.1 × 10-7 dm | 2.2 × 10-7 dm | 2.3 × 10-7 dm | 2.4 × 10-7 dm | 2.5 × 10-7 dm | 2.6 × 10-7 dm | 2.7 × 10-7 dm | 2.8 × 10-7 dm | 2.9 × 10-7 dm | 3.0 × 10-7 dm | 3.1 × 10-7 dm | 3.2 × 10-7 dm | 3.3 × 10-7 dm | 3.4 × 10-7 dm | 3.5 × 10-7 dm | 3.6 × 10-7 dm | 3.7 × 10-7 dm | 3.8 × 10-7 dm | 3.9 × 10-7 dm | 4.0 × 10-7 dm | 4.1 × 10-7 dm | 4.2 × 10-7 dm | 4.3 × 10-7 dm | 4.4 × 10-7 dm | 4.5 × 10-7 dm | 4.6 × 10-7 dm | 4.7 × 10-7 dm | 4.8 × 10-7 dm | 4.9 × 10-7 dm | 5.0 × 10-7 dm | 5.1 × 10-7 dm | 5.2 × 10-7 dm | 5.3 × 10-7 dm | 5.4 × 10-7 dm | 5.5 × 10-7 dm | 5.6 × 10-7 dm | 5.7 × 10-7 dm | 5.8 × 10-7 dm | 5.9 × 10-7 dm | 6.0 × 10-7 dm | 6.1 × 10-7 dm | 6.2 × 10-7 dm | 6.3 × 10-7 dm | 6.4 × 10-7 dm | 6.5 × 10-7 dm | 6.6 × 10-7 dm | 6.7 × 10-7 dm | 6.8 × 10-7 dm | 6.9 × 10-7 dm | 7.0 × 10-7 dm | 7.1 × 10-7 dm | 7.2 × 10-7 dm | 7.3 × 10-7 dm | 7.4 × 10-7 dm | 7.5 × 10-7 dm | 7.6 × 10-7 dm | 7.7 × 10-7 dm | 7.8 × 10-7 dm | 7.9 × 10-7 dm | 8.0 × 10-7 dm | 8.1 × 10-7 dm | 8.2 × 10-7 dm | 8.3 × 10-7 dm | 8.4 × 10-7 dm | 8.5 × 10-7 dm | 8.6 × 10-7 dm | 8.7 × 10-7 dm | 8.8 × 10-7 dm | 8.9 × 10-7 dm | 9.0 × 10-7 dm | 9.1 × 10-7 dm | 9.2 × 10-7 dm | 9.3 × 10-7 dm | 9.4 × 10-7 dm | 9.5 × 10-7 dm | 9.6 × 10-7 dm | 9.7 × 10-7 dm | 9.8 × 10-7 dm | 9.9 × 10-7 dm | 1.0 × 10-6 dm |
納米（SI符號：nm）是公制系統中的長度單位，等於一米（0.000000001米）的十億分之一。 這個名稱將SI前綴納米（來自古希臘語νάνος，nanos，“矮”）與父母單位名稱計量器（來自希臘語μέτρον，metrön，“計量單位”）結合起來。 它可以用科學記數法寫成1×10-9米，工程記數法為1E-9米，僅為10億米。
| 1 納米 ≡ 1.0E-8 分米 | 6 納米 ≡ 6.0E-8 分米 |
| 2 納米 ≡ 2.0E-8 分米 | 7 納米 ≡ 7.0E-8 分米 |
| 3 納米 ≡ 3.0E-8 分米 | 8 納米 ≡ 8.0E-8 分米 |
| 4 納米 ≡ 4.0E-8 分米 | 9 納米 ≡ 9.0E-8 分米 |
| 5 納米 ≡ 5.0E-8 分米 | 10 納米 ≡ 1.0E-7 分米 |
分米或分米等於10-1米（長度單位），來自公制前綴deci（d）和長度米（SI）單位的組合。 複數名稱是分米。
| 1 分米 ≡ 100000000 納米 | 6 分米 ≡ 600000000 納米 |
| 2 分米 ≡ 200000000 納米 | 7 分米 ≡ 700000000 納米 |
| 3 分米 ≡ 300000000 納米 | 8 分米 ≡ 800000000 納米 |
| 4 分米 ≡ 400000000 納米 | 9 分米 ≡ 900000000 納米 |
| 5 分米 ≡ 500000000 納米 | 10 分米 ≡ 1000000000 納米 |