Support BoringToolsKit

Support keeps BoringToolsKit free, private, and ad-light. Everything on this site runs in your browser; donations help cover hosting and the people who maintain the formulas. If a tool saved you time or money, a few dollars (or a bit of crypto) genuinely matters.

Ko-fi

The quick, no-account way to buy us a coffee. Your payment goes through Ko-fi (their terms apply).

Buy us a coffee on Ko-fiNo account needed to donateDonate →

Crypto

Prefer crypto? Every calculator here runs free and ad-supported. A small crypto gift keeps it that way. Send directly to a wallet address below, or scan the QR on the app. No platform, no middleman.

Bitcoin (BTC) · Bitcoin Taproot · Taproot (P2TR)
bc1psvdyafhmenpqs7xws4xdfhfdghhg9yylqj0ccnaq9t7zss8ef59qdzpshy

Bitcoin (BTC) · Bitcoin Native SegWit · Native SegWit (P2WPKH)
bc1qlkjzmscl7jts4pegk6yd2g4032k9kqk2yz58ll

Ethereum (ETH) · Ethereum
0x3804f6a0e113e8EB49e3C053e7A20f9bE18becD8

Solana (SOL) · Solana
2hr8H7XBFWmZCq5TXGdnRCPaJoyejD97VWnAyvcESPwG

Sui (SUI) · Sui
0x1ba89f0865cfc0fe2aa9e75b94ae6519a357d561993a60b27c23a04a09efb783

Base (USDC / ETH) · Base · EVM
0x3804f6a0e113e8EB49e3C053e7A20f9bE18becD8

Polygon (USDC / POL) · Polygon · EVM
0x3804f6a0e113e8EB49e3C053e7A20f9bE18becD8

Monad · Monad · EVM
0x3804f6a0e113e8EB49e3C053e7A20f9bE18becD8

Robinhood Chain · Robinhood Chain · EVM
0x3804f6a0e113e8EB49e3C053e7A20f9bE18becD8

HyperEVM · HyperEVM · Lite
0x3804f6a0e113e8EB49e3C053e7A20f9bE18becD8

How your support is used

Donations go toward hosting, domain, and keeping the tools free and fast. Nothing is spent on tracking or advertising your activity — the calculators already run in your browser.