Money Tools
Free calculators and utilities powered by real central-bank data. No signup required.
What Does $X Look Like?
See what any amount of money looks like as a physical stack of bills in interactive 3D. Get bill counts, weight, height, and volume. Embeddable on any site.
How Rich Is X?
Visualize billionaire net worths as physical cash stacks. See what $200 billion actually looks like, compare to your salary, and explore fun facts about extreme wealth.
Denomination Mix Optimizer
Find the optimal mix of bills for any amount and currency. Minimize count, weight, volume, handling time, or transport cost — with real banknote dimensions.
Carryability Planner
Can you physically carry that much cash? Evaluate weight, volume, and handling complexity against real-world transport profiles — from a backpack to an armoured truck.
Cash Stack Calculator
Enter any amount and currency to instantly calculate the number of bills, stack height, weight, and volume. Uses real central-bank banknote dimensions.
Value Density Index
Rank currencies by value packed per physical unit. Compare value per liter, value per kilogram, and notes-per-value across optimized denomination mixes.