Jinsi ya kubadilisha hex kuwa decimal
- Andika nambari kwenye sehemu ya "Heksadesimali (msingi 16)".
- Tazama matokeo kwenye "Decimal (msingi 10)", yameangaziwa.
- Pia unapata binary na oktali ya nambari ileile.
- Bofya Nakili ili kuchukua matokeo.
Mbinu na mfano
Kila tarakimu ya heksadesimali ina thamani ya nguvu ya 16, kutoka kulia kwenda kushoto, na herufi A hadi F zinawakilisha 10 hadi 15. Kwa mfano, FF = 15 × 16 + 15 = 255, na 1A = 1 × 16 + 10 = 26.
Heksadesimali hutumika kwa rangi (#FF0000), anwani za kumbukumbu na misimbo ya hitilafu. Jedwali lililo hapa chini linaonyesha nambari za kwanza katika misingi yote minne.
| Decimal (msingi 10) | Binary (msingi 2) | Oktali (msingi 8) | Heksadesimali (msingi 16) |
|---|---|---|---|
| 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 1 |
| 2 | 10 | 2 | 2 |
| 3 | 11 | 3 | 3 |
| 4 | 100 | 4 | 4 |
| 5 | 101 | 5 | 5 |
| 6 | 110 | 6 | 6 |
| 7 | 111 | 7 | 7 |
| 8 | 1000 | 10 | 8 |
| 9 | 1001 | 11 | 9 |
| 10 | 1010 | 12 | A |
| 11 | 1011 | 13 | B |
| 12 | 1100 | 14 | C |
| 13 | 1101 | 15 | D |
| 14 | 1110 | 16 | E |
| 15 | 1111 | 17 | F |
| 16 | 10000 | 20 | 10 |
| 17 | 10001 | 21 | 11 |
| 18 | 10010 | 22 | 12 |
| 19 | 10011 | 23 | 13 |
| 20 | 10100 | 24 | 14 |
| 21 | 10101 | 25 | 15 |
| 22 | 10110 | 26 | 16 |
| 23 | 10111 | 27 | 17 |
| 24 | 11000 | 30 | 18 |
| 25 | 11001 | 31 | 19 |
| 26 | 11010 | 32 | 1A |
| 27 | 11011 | 33 | 1B |
| 28 | 11100 | 34 | 1C |
| 29 | 11101 | 35 | 1D |
| 30 | 11110 | 36 | 1E |
| 31 | 11111 | 37 | 1F |
| 32 | 100000 | 40 | 20 |
| 40 | 101000 | 50 | 28 |
| 50 | 110010 | 62 | 32 |
| 64 | 1000000 | 100 | 40 |
| 100 | 1100100 | 144 | 64 |
| 127 | 1111111 | 177 | 7F |
| 128 | 10000000 | 200 | 80 |
| 200 | 11001000 | 310 | C8 |
| 255 | 11111111 | 377 | FF |
| 256 | 100000000 | 400 | 100 |
| 500 | 111110100 | 764 | 1F4 |
| 512 | 1000000000 | 1000 | 200 |
| 1000 | 1111101000 | 1750 | 3E8 |
| 1024 | 10000000000 | 2000 | 400 |
| 4096 | 1000000000000 | 10000 | 1000 |
| 65535 | 1111111111111111 | 177777 | FFFF |
Mambo ya kujua
- Tarakimu 0-9 na herufi A-F zinakubaliwa, kubwa au ndogo.
- Hakuna kikomo cha ukubwa, lakini nambari kamili chanya tu ndizo hubadilishwa.
- Ukibandika kiambishi awali kama 0x, kiondoe kabla ya kubadilisha.
Maswali yanayoulizwa mara kwa mara
FF ni nini kwa decimal?
255.
Herufi A ina thamani gani kwenye heksadesimali?
10; B ni 11, C ni 12, D ni 13, E ni 14 na F ni 15.
Naweza kubadilisha rangi kama #FF8800?
Ndiyo, bandika kila jozi kivyake (FF, 88, 00) ili kupata thamani zake kutoka 0 hadi 255.
Je, data yangu inatumwa kwa seva?
Hapana. Ubadilishaji hufanyika kwenye kivinjari chako.