Tools
Free, interactive calculators — everything runs in your browser, nothing is saved or sent anywhere.
Trading & FinanceInteractive
Position sizing and the 1% rule: a calculator and a plain-English explanation
Why position sizing matters more than picking direction, plus a free calculator to work out your own risk per trade.
Fitness & NutritionInteractive
How much protein do you actually need per day? A calculator and a straight answer
The sports-nutrition ranges behind daily protein targets, plus a calculator to work out your own number.
Gear & ToolsInteractive
What hourly rate does your side-income goal actually require?
Work backward from a monthly income target to the hourly rate you'd need — a sanity check, not a promise.