Retired Tools

Retired Tools

Small interactive tools that do one thing and get out of the way. Calculators, converters, live charts.

Crypto-fiat converters
48 live pairs · BTC, ETH, SOL, XRP against 12 major fiats. One-tap rate, live spot price from Phemex, no signups.
See all 48 pairs
TopicAllbehavioural-financecalculatorcandleschart-patterncryptofinanceproductivityreferencerisk-managementtrading

Annualized return projection from strategy stats

Type win rate, R:R, trades per year, and risk per trade. Get the expected annual return plus 5th, 50th, 95th percentile bands from a Monte-Carlo simulation.

tradingcalculatorfinance

Perpetual futures PnL calculator (with fees)

Type entry, exit, position size, leverage, and fee. Get gross PnL, fees paid, net PnL, plus ROI on margin and on notional — perps specifically.

cryptocalculator

R-multiple calculator — risk-adjusted trade outcome

Type entry, stop, and exit prices. Get the R-multiple — the gain or loss expressed as a multiple of the risk taken on the trade.

tradingcalculatorrisk-management

Bitcoin dollar-cost-averaging backtest

Punch in a monthly amount and a start date. See exactly what a steady DCA into Bitcoin would have done — total invested, current value, profit, ROI, and average buy price.

cryptocalculatorfinance

Losing streak probability calculator — what cold streak should you expect?

Punch in a strategy's win rate and trade count. Get the actual probability of seeing N losses in a row at least once across the run.

tradingcalculatorbehavioural-finance

Required reward-to-risk ratio to break even at any win rate

Slide your win rate. See the minimum reward-to-risk ratio your trades need before you start making money. Plus the inverse curve.

tradingcalculatorrisk-management

Win rate confidence interval calculator

Type wins and total trades. Get the 95% confidence interval — the actual range your true win rate could be hiding inside given your sample size.

tradingcalculatorbehavioural-finance

Crypto position size calculator

Type your account size, risk percentage, entry, and stop. Get the exact position size to take so a stop-out loses no more than the chosen percent.

cryptocalculatorrisk-management

How long to save to buy it outright

Pick a target price, pick a monthly amount, and see exactly when you'd own it — no loans, no financing, no interest. The save-to-buy calculator that treats patience as a plan.

financeproductivitycalculator