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Reserve Ratio Calculator

Result

Calculated result 10 Based on the values entered.
↗ Finance

Reserve Ratio Calculator The Reserve Ratio Calculator shows the share of deposits a bank holds in reserve. Enter reserves and total deposits to get the reserve ratio and the amount available to lend. — free online calculator.

Formula

Reserve Ratio = Reserves ÷ Total Deposits × 100
  • Reserve Ratio Calculator calculates its result from Reserves Held, Total Deposits. It uses the formula Reserve Ratio = Reserves ÷ Total Deposits × 100. Change any input to recalculate the result instantly.
  • The main inputs are Reserves Held, Total Deposits. Enter them in the units and format shown in the calculator.
  • Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Reserve Ratio

Inputs
  • Reserves Held: 100000
  • Total Deposits: 1000000

Using Reserves Held = 100000, Total Deposits = 1000000, the calculated result is 10.

Sample result: Calculating…

Frequently asked questions

What does the Reserve Ratio calculate?

Reserve Ratio Calculator The Reserve Ratio Calculator shows the share of deposits a bank holds in reserve. Enter reserves and total deposits to get the reserve ratio and the amount available to lend. — free online calculator.

Which values should I enter?

Enter Reserves Held, Total Deposits using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Reserve Ratio = Reserves ÷ Total Deposits × 100.

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026