Overlay
Calculator and checklist
Calculate interest on savings

Savings calculator

Calculate how much interest you could earn on savings with different NatWest accounts.

Benefits of our savings calculator

Quick interest estimates. Check the interest you could earn over different periods, using different NatWest savings accounts.

Plan for the long term. Get an idea of your future savings balance.

Easy comparisons. Browse our ISAs and savings accounts side by side, with just the one calculator.

Explore other account features. See interest rates, deposit limits and eligibility requirements, at a glance.

Pound signs in thought bubble

How to calculate savings interest with NatWest

Using our UK savings calculator, you can estimate interest in three simple steps:

  1. Enter the one-off deposit or monthly deposits you plan to make. Or add both at once.
  2. Choose the number of years you want to save for.
  3. Hit the calculator button to see your projected balance, interest earnings, interest rates, deposit limits, and more across different NatWest savings accounts. We’ll show the accounts you might be eligible for.

Compare accounts with our savings calculator

Information Message

Our calculations are done with today’s interest rates – these could change in the future. The projected balances below assume you won’t withdraw any money. Specific account eligibility criteria & conditions apply. Fees, charges and restrictions may apply. Please see individual product pages for full details.

Choose number of years

Must have NatWest current account? 

Eligibility

Other interest rates

Must have NatWest current account? 

Eligibility

Piggy bank

How much should I save each month?

Want a calculator to plan your monthly savings? Take a look at our Savings Goal Tool.

Whether you’re building towards a wedding, new home or big family holiday, simply tap in the amount you’d like to save, along with your target date. Our tool will then calculate the savings you should ideally make each month.

To set up a goal, you’ll need our mobile app and an instant access savings account.

Information Message

Definitions

Banking can be confusing sometimes. Here’s what some of the words we use mean.

Savings interest calculator FAQs