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Bank Interest On Savings Account Calculator

Work out bank interest on savings account instantly with clear inputs, formula shown and shareable results.

About Bank Interest On Savings Account Calculator

Savings interest accrues daily on the closing balance and is usually credited quarterly. Because the rate is low, the daily accrual figure makes clear how little a large balance earns while sitting idle.

Formula

Savings interest

Interest = balance × rate × days / 365

Worked example

With the default values below, Bank Interest On Savings Account Calculator returns Interest Earned of $2,157.53. Change any input above and every figure here is recalculated in your browser.

Inputs used

Account Balanceminimum 0
250,000
Annual Interest Rateaccepts 0–100 %
3.5 %
Days Heldaccepts 1–366
90

Results

Interest Earned
$2,157.53
Interest Per Day
$23.9726
Interest Over A Full Year
$8,750.00
Balance Including Interest
$252,157.53

Step by step

  1. 1Values used
  2. 2Savings interest
  3. 3Interest Earned= 2,157.53
  4. 4Interest Per Day= 23.9726
  5. 5Interest Over A Full Year= 8,750.00
  6. 6Balance Including Interest= 252,157.53

Assumptions and limits

  • The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax or fees or charges into account.
  • Figures are rounded for display to 4 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
  • Figures are estimates based on the inputs given. Bank charges, regulatory minima and market rates change and differ between institutions and jurisdictions. This is not financial advice — confirm with your bank or treasury policy.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Figures are estimates based on the inputs given. Bank charges, regulatory minima and market rates change and differ between institutions and jurisdictions. This is not financial advice — confirm with your bank or treasury policy.

Frequently Asked Questions

When is interest credited?

Most banks accrue daily and credit quarterly, so interest earned late in a quarter appears only at quarter end.

Is savings interest taxable?

Usually yes above a small exemption, and banks may deduct tax at source once a threshold is crossed.

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