Financial & banking calculators
Clear answers to money questions
Mintledger is a growing set of free calculators for borrowing, saving, investing and planning — easy to use, upfront about its assumptions, and completely private.
Instant answers
Drag a slider and the result updates right away, with a chart that shows the whole picture.
Explained simply
Each calculator says, in everyday language, what it worked out and which assumptions it made.
Private
No sign-up and no tracking. What you type stays on your screen and is never sent anywhere.
Sample figures, clearly flagged
Interest rates, tax bands and other inputs are example starting points you can change — never a live feed.
The numbers here are examples. Interest rates, tax bands and every result are sample starting points or values you type in yourself. Nothing is pulled from a live rate feed or a bank, and the results are estimates only. Always check real figures with your bank, lender or a qualified adviser before making a decision.
The calculators
6 tools, more on the way.
About the numbers you see
Mintledger doesn't connect to any bank, market or rate service. The tax bands are a fixed set of example values that come with the site, and every result is a calculation based on those values and whatever you enter. Treat the answers as a guide and confirm the real figures with your provider.
More about Mintledger