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Bitcoin Block Hash Verification Tool

Here, you can play around with calculating and verifying a Bitcoin block hash. Simply enter all necessary data and get the block hash calculated.

You can find the values in a block explorer like this here.

A detailed explanation on how a Bitcoin block hash is calculated can be found here.

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Bitcoin Difficulty & Target Calculator

This calculator converts the bit value into the target for the Bitcoin blockchain.

Bit as hexadecimal number:
Target as hexadecimal with padding:
Target as hexadecimal:
Target as decimal number:
Difficulty as decimal number:

An extensive explanation of the Bitcoin difficulty and how target, difficulty and bits are related can be found in this article: Bitcoin difficulty and Target.

If you look for the Ethereum mining difficulty explanation, you find it here.