Calculators
Free and interactive. Move the sliders, see the chart and the year-by-year numbers, then ask the chat to build a version for your own situation.
Savings and investing
Compound interest calculator
See how a lump sum and monthly deposits grow with interest on interest.
15 ready-made examples
Savings goal calculator
How much to save each month to reach a target by a date, with interest.
12 ready-made examples
Simple vs compound interest calculator
Compare the two side by side and see how much compounding adds over time.
10 ready-made examples
Inflation calculator
What an amount will cost or be worth after years of inflation at a steady rate.
12 ready-made examples
Financial independence (FIRE) calculator
How long until your savings can cover your yearly spending, using a withdrawal rate.
12 ready-made examples
Loans
Business
Break-even calculator
How many sales a month cover your fixed costs, for a shop, a service or a small online business.
12 ready-made examples
VAT calculator
Add VAT to a price, or take it out of a price that already includes it.
13 ready-made examples
ROI calculator
Return on investment, and the yearly rate it works out to.
12 ready-made examples
Freelance hourly rate calculator
The hourly rate you need to charge to take home a target income after costs, tax and time off.
12 ready-made examples