All calculators
Every tool here runs in your browser and is free to use. We publish calculators in small batches so each one gets a proper explanation, a worked example and answers to the questions people actually ask.
Money
Budgeting, saving, debt payoff and everyday spending decisions.
Cars
Car affordability, loans, running costs and ownership comparisons.
Home
Rent, mortgages, moving costs and home improvement budgets.
Calculators in this category are being written now. Check back soon.
Work
Salary, hourly pay, freelance rates and commuting costs.
Calculators in this category are being written now. Check back soon.
Time & Life
Time-versus-money trade-offs and life planning numbers.
Calculators in this category are being written now. Check back soon.
Travel & Life
Trip budgets, holiday saving plans and travel spending limits.
Calculators in this category are being written now. Check back soon.