--- title: "BIP39 Word #1830: tool — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/tool/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #1830 11100100101 # tool — BIP39 word #1830 "**tool**" is word #1830 of the 2048 words in the official BIP39 English wordlist, between [tonight](/bip39-word/tonight/) and [tooth](/bip39-word/tooth/). In a seed phrase it stands for the 11-bit value `11100100101`, decimal index 1829\. /tuːl/ · _noun:_ a device held in the hand to help do a particular job [Russian](/ru/ "The BIP39 wordlist with Russian translations"): инструмент ## Binary Representation Six 1-bits and five 0-bits; 462 of the 2048 indexes have exactly six 1-bits. One wrong bit turns it into (leftmost bit first): [gorilla](/bip39-word/gorilla/)[pigeon](/bip39-word/pigeon/)[seven](/bip39-word/seven/)[visa](/bip39-word/visa/)[uncover](/bip39-word/uncover/)[thing](/bip39-word/thing/)[trade](/bip39-word/trade/)[toss](/bip39-word/toss/)[tomorrow](/bip39-word/tomorrow/)[top](/bip39-word/top/)[tonight](/bip39-word/tonight/) Position Hex Index 0x725 4-Letter Prefix tool ## About "tool" in BIP39 - It takes all four letters to identify "tool": **"too"** also begins [tooth](/bip39-word/tooth/). ## Word #1830 in the Other 9 BIP39 Wordlists [Czech](/czech/) vitalita [French](/french/) supplier [Italian](/italian/) tenero [Japanese](/japanese/) みせる [Korean](/korean/) 특급 [Portuguese](/portuguese/) suprimir [Spanish](/spanish/) tener [Traditional Chinese](/chinese-traditional/) 獄 [Simplified Chinese](/chinese-simplified/) 狱 ## Similar Words — Check Carefully During Recovery 4 BIP39 words differ from "tool" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [cool](/bip39-word/cool/)[pool](/bip39-word/pool/)[stool](/bip39-word/stool/)[wool](/bip39-word/wool/) Read aloud, "tool" /tuːl/ is one sound away from these 5 words: [rule /ruːl/](/bip39-word/rule/)[tail /teɪl/](/bip39-word/tail/)[tell /tɛl/](/bip39-word/tell/)[tooth /tuːθ/](/bip39-word/tooth/)[two /tuː/](/bip39-word/two/) Words sharing the first three letters "too": [tooth](/bip39-word/tooth/) ## More BIP39 Words Starting with "T" [ #1826 tomorrow ](/bip39-word/tomorrow/)[ #1827 tone ](/bip39-word/tone/)[ #1828 tongue ](/bip39-word/tongue/)[ #1829 tonight ](/bip39-word/tonight/)[ #1831 tooth ](/bip39-word/tooth/)[ #1832 top ](/bip39-word/top/)[ #1833 topic ](/bip39-word/topic/)[ #1834 topple ](/bip39-word/topple/) [View all words starting with "T" ](/bip39-words/t/) ## Seed phrase, key and recovery guides - [BIP39 vs BIP32 vs BIP44: How the Seed Standards Fit Together](/crypto-seed-standards-bip39-vs-bip32-vs-bip44/) - [How to Memorize a Seed Phrase: Color, Story and Palace Methods](/seed-phrase-memory/) - [What Is a Seed Phrase? How a Recovery Phrase Works](/recovery-seed-phrase-guide/) [ Full BIP39 Wordlist ](/)