Why small expenses deserve a real number
It's easy to underestimate a recurring expense because you only ever see one instance of it at a time — one coffee, one subscription charge, one ride. What Is It Really Costing Me? multiplies that single instance out across a day, a month, a year and a decade, so you're comparing the real, cumulative number instead of the misleadingly small one.
Enter an amount and how often you pay it — daily, weekly, monthly, yearly, or a custom interval — and the calculator converts it into every other timeframe using consistent, calendar-accurate averages (30.44 days per month, 365.24 days per year), so the numbers stay comparable across different expenses.
You can stack multiple expenses — a coffee habit, a couple of streaming subscriptions, a gym membership you rarely use — into a single combined total, which is often where the real surprise shows up. Individually, none of them look dramatic. Added together over five or ten years, they usually do.
This isn't about guilt-tripping any particular purchase. Small recurring expenses are often worth every cent. The point is simply to replace a vague sense of “it's not much” with an actual number, so the decision to keep paying for it — or not — is an informed one.