What are the Planning & Business Calculators?
Randomly’s planning calculators cover the money decisions that come before any single purchase: splitting take-home pay across needs, wants and savings, totalling net worth, sizing an emergency fund, finding the sales volume that covers costs, and setting a price that hits a margin. Each shows its formula and runs entirely in your browser.
Five calculators for the questions that sit one level above a single transaction — not what a loan costs, but whether the shape of your money works. Two are household tools, two are business tools, and net worth belongs to both.
This is the group where privacy stops being a feature and becomes the reason to use a page instead of an app. Your income, your savings, your debts and your margins are exactly what budgeting and net-worth services ask you to hand over, usually by linking a bank account. Nothing here is linked to anything: the arithmetic happens in the page, and the figures are gone when the tab closes.
They are also the group most prone to false precision, so each one is explicit about what it assumes. A 50/30/20 split is a starting framework, not a law. A property valuation is what it would sell for, not what you hope. A break-even point assumes one price and one variable cost at every volume.
