CalcHub Fast, accurate money & everyday calculators

Money calculators that answer the question and stop

Thirty calculators for loans, pay, savings, and the everyday arithmetic that decides whether something is affordable. Type your numbers, read the answer, copy the link. No account, no email wall, no fifteen-field form standing between you and a result.

Most financial calculators online were written years ago and have been quietly rotting since: buried under full-screen ads, slow on a phone, hiding the one number you came for beneath a wall of unrelated text. We rebuilt the useful ones from the published formulas and left the rest alone.

Every calculator here updates as you type. Your inputs live in the page address, so the link in your bar is always a link to your result. Bookmark it, send it to whoever decides with you, paste it into an email to a broker, and it opens with your figures already filled in.

Loans Which one do I need? →

Savings & Investing Which one do I need? →

Income Which one do I need? →

Everyday Which one do I need? →

Business

From the blog

Launch notes and guides →

Which calculator do you actually need?

If you are working out whether you can afford something, start with the monthly payment. The loan payment calculator covers any fixed-rate loan, and the mortgage calculator adds taxes and insurance so the figure resembles what a lender would quote rather than a best case.

If you already have the debt and want out of it sooner, the debt payoff and mortgage payoff calculators show what an extra 50 a month genuinely buys: months saved and interest avoided. The answer is usually larger than people expect, which is the point of looking.

If you are saving rather than borrowing, compound interest and the savings goal calculator work the same problem from opposite ends. One tells you what a monthly amount grows into; the other tells you what monthly amount reaches a target by a given date.

How the numbers are worked out

Each tool implements the standard published formula for its job: amortisation for loans, periodic compounding for savings, marginal brackets for tax estimates. Each page then shows a worked example with the arithmetic visible, so you can check the result instead of trusting it.

The maths runs in your browser. Nothing you type is sent anywhere, logged, or stored on a server, which is also why results appear instantly rather than after a round trip.

Common questions

Are these calculators free, and where is the catch?

They are free and there is no account step. The site is paid for by a small number of clearly labelled ads, which is why there is no signup wall, no email capture before results, and no paid tier holding back the useful features.

How accurate are the results?

The arithmetic is exact for the formula each tool implements, and every page shows a worked example you can check by hand. What a calculator cannot know is your lender's fees, your exact tax position, or how a particular bank rounds, so treat the output as an accurate model rather than a quote.

Do these work in currencies other than dollars?

Yes. The maths is currency-agnostic: 6% over 25 years behaves identically whatever symbol sits in front of the number. Only the formatting is in dollars, so enter pounds or euros and the result comes back in the same unit you typed.

Can I save or share a calculation?

Every input is stored in the page address as you type, so sharing a result is just copying the URL. Bookmark it and it reopens with the same numbers, which is the quickest way to keep a scenario you want to return to.

Is anything I type stored or sent to you?

No. Every calculation runs in your browser, so your salary, balances and loan amounts never leave your device. We could not see them if we wanted to.