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CapitalAdequacyCalculator.com offers free calculators for the capital ratios used under Basel III: CET1, Tier 1, total capital and the leverage ratio. Each page explains the formula, the Basel Committee minimum and the buffers that apply, and cites the Basel Framework published on bis.org.

The site is independent. It is not affiliated with the Basel Committee, the BIS or any regulator, and it does not provide regulatory, legal or financial advice. National implementations of Basel III vary, so confirm requirements with your supervisor.

Calculations run in your browser. The numbers you enter are not sent anywhere.