How We Built the Most Accurate ISA Calculator in the UK

Building an ISA Interest Calculator When we set out to build what we believe is the most accurate ISA calculator in the UK, we wanted it to do more than just multiply your deposit by an interest rate. We wanted to give everyday savers and investors a truly holistic tool—one that factors in how interest […]

The Best ISA Interest Calculators in the UK

  The best ISA calculators in the uk If you’ve ever tried to figure out exactly how much interest your ISA might earn over a year—or five years, or ten—you’ll know it’s not always as easy as plugging in one quick number. That’s where ISA calculators come in. They’re brilliant little tools that help you […]

The Least Loved ISA: The Innovative Finance ISA

  Quick history of the Innovative Finance ISA The IFISA first popped up back in April 2016. Before that, we basically had three main types of ISA: Cash, Stocks & Shares, and (for younger savers) the Junior ISA. The idea behind the IFISA was to create a dedicated tax-free wrapper for peer-to-peer (P2P) lending and […]

Variable vs Fixed Rates: How It Impacts ISA Returns

Variable vs Fixed ISA Rates When choosing an ISA (Individual Savings Account), one of the biggest decisions you’ll make is whether to go with a fixed or variable interest rate. Both have their pros and cons, and the best choice depends on your financial goals, market conditions, and risk appetite. Right now, with the Bank […]

What is an ISA Promotional Rate?

ISA Promotional Rates: Are they Even Any Good, Really? If you’ve been shopping around for an Individual Savings Account (ISA), you’ve probably seen some banks and building societies offering ISA promotional rates. These offers often look incredibly appealing, featuring high-interest rates that seem like a great deal. But what happens after the promotional period ends? […]

ISA Interest Calculators: How Can They Help?

What do ISA Interest Calculators do? An ISA interest calculator is essentially a tool that helps you estimate how your savings might grow over time under different scenarios. This includes: How much you deposit initially. How much you contribute each month or year. Whether you choose a fixed or variable rate. How often interest is […]

How to Calculate ISA Savings After a Transfer

Calculating your ISA value after a transfer The simple answer is to head over to ISA Interest Calculator and click on Existing ISA. We provide you with al the information you need on what the original amount was, what the amount will be with the new ISA and the total savings you’ve accrued over time. […]

How Banks Make Money from ISAs

How do banks make money from ISAs? Banks and ISAs – it’s one of those age old questions – surely the bank is just giving away free money right? Well, kind of but not really. Banks still make a profit from ISAs and in this article we’ll explore exactly they how they do just that. […]

What are the types of ISA in 2025?

What are the different types of ISA? Ever wandered into the biscuit aisle at the supermarket and thought, “So many choices, but they’re all biscuits—aren’t they?” That’s kind of what it’s like with ISAs (Individual Savings Accounts). They’re all ways to save or invest tax-free, but each type has its own flavour, rules, and perks. […]

What is an ISA?

What is an ISA? An ISA—short for Individual Savings Account—is a (as you may know!) one of the most popular ways for UK residents to save or invest money without paying tax on any interest or investment gains they earn. If you’ve been hearing the term “ISA” everywhere and wondering what all the fuss is […]