周波数は、時間単位あたりの繰り返しイベントの発生数です。Hertz（Hz）で測定されます。
1 MHz = 999,999,999,999,999,900,000 fHz
1 fHz = 1.0000e-21 MHz
例:
15 メガヘルツをfemtahertzに変換します。
15 MHz = 14,999,999,999,999,998,000,000 fHz
| メガヘルツ | femtahertz |
|---|---|
| 0.01 MHz | 9,999,999,999,999,998,000 fHz |
| 0.1 MHz | 100,000,000,000,000,000,000 fHz |
| 1 MHz | 999,999,999,999,999,900,000 fHz |
| 2 MHz | 1,999,999,999,999,999,700,000 fHz |
| 3 MHz | 2,999,999,999,999,999,500,000 fHz |
| 5 MHz | 4,999,999,999,999,999,000,000 fHz |
| 10 MHz | 9,999,999,999,999,998,000,000 fHz |
| 20 MHz | 19,999,999,999,999,996,000,000 fHz |
| 30 MHz | 29,999,999,999,999,996,000,000 fHz |
| 40 MHz | 39,999,999,999,999,990,000,000 fHz |
| 50 MHz | 50,000,000,000,000,000,000,000 fHz |
| 60 MHz | 59,999,999,999,999,990,000,000 fHz |
| 70 MHz | 69,999,999,999,999,990,000,000 fHz |
| 80 MHz | 79,999,999,999,999,980,000,000 fHz |
| 90 MHz | 90,000,000,000,000,000,000,000 fHz |
| 100 MHz | 100,000,000,000,000,000,000,000 fHz |
| 250 MHz | 249,999,999,999,999,960,000,000 fHz |
| 500 MHz | 499,999,999,999,999,900,000,000 fHz |
| 750 MHz | 749,999,999,999,999,900,000,000 fHz |
| 1000 MHz | 999,999,999,999,999,800,000,000 fHz |
| 10000 MHz | 9,999,999,999,999,999,000,000,000 fHz |
| 100000 MHz | 99,999,999,999,999,990,000,000,000 fHz |
Inayam