Trading & investment
Bitcoin DCA calculator
Backtest a recurring plan against Binance daily Bitcoin prices from roughly the past year.
Loads historical pricesHistorical BTC/USDT prices
Crypto calculators and Web3 tools.
Calculate gas fees, compare transfer quotes, backtest Bitcoin DCA, or convert Ethereum units.
Your tools, one place.
6 of 6 tools shown
Trading & investment
Crypto futures calculator
Explore P&L, fees, funding and break-even prices for a linear perpetual scenario.
Manual inputs · ScenarioUser-entered assumptions
Gas & networks
EVM gas fee calculator
Estimate gas costs from your own gas limit, gas price and optional native-token price.
Manual inputs · EstimateUser-entered assumptions
Gas & networks
USDT & USDC transfer comparison
Compare your stablecoin withdrawal or wallet quotes, with network references and explicit fee currencies.
Manual quotes · ComparisonUser-entered quotes
Conversion & encoding
Wei, Gwei & ETH converter
Convert between Ethereum units with exact integer arithmetic. See the calculation and each unit's meaning.
Runs locallyFixed Ethereum units
Wallet & recovery
Recovery Phrase Converter
Validate English recovery phrases and derive Bitcoin keys locally with explicit paths and networks.
Runs locallyBIP39 / BIP32 · Bitcoin
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Before you calculate
MethodsChoose the matching tool
Search by the calculation you need, then read the tool description before entering values.
Check units and sources
Check currencies, units, fees and dates. Example values are starting points; replace them with your own inputs.
Read the calculation limits
Read the method and FAQ on the tool page. An estimate or historical backtest does not guarantee an execution price or a future outcome.
Common questions
Do I need to connect a wallet?
No. These calculators do not request a wallet connection, a signature, a private key or a recovery phrase. They do not submit transactions.
Are the displayed values live?
Check each tool’s source note. Manual inputs are not live data. Where historical data is loaded, the tool identifies the provider and retrieval time; unavailable data is reported instead of replaced with invented values.
Why can a result differ from my platform?
A platform may use different fees, rounding, prices or margin rules. Compare those assumptions with the tool’s method and confirm the current quote on your platform before acting.