Calculators for the numbers that quietly run your financial life — what your money does while it sits, what a loan actually costs over time, and how far off financial independence is.
UK Plans 1, 2, 4, 5 and postgraduate, projected across a whole career — what you actually repay, and whether you ever clear it.
What a price in any past year is worth in today’s money — and what today’s money will be worth later, if you say what you assume.
Starting amount, regular contributions, rate, and time — watch the growth curve, and see the Rule of 72 checked against the exact formula.
Home price, down payment, rate, and term — monthly payment, full amortization schedule, and how much an extra payment really saves.
UK hire purchase & PCP, US auto loans — deposit, balloon, trade-in, fees, term compare, and a full payment schedule.
ECB reference rates via Frankfurter — convert between USD, EUR, GBP and 20+ currencies. Same rates as Unit Converter’s Currency category.
Convert pay between hourly, daily, weekly, monthly and annual — and compare it to the UK and US minimum wage.
Regional tipping norms, correct tip-on-pre-tax handling, and fair splitting when everyone ordered something different.
Your FIRE number from spending and safe withdrawal rate, years to reach it, and your Coast FIRE number.
Snowball vs. avalanche compared side by side — payoff time, total interest, and a real month-by-month simulation.
Net cost of buying vs. renting and investing the difference — not just monthly payment against rent.