📊 Interest Rate Converter

Quick conversion between annual, monthly, and daily rates

⇄
📐 Conversion Formulas

Monthly Rate = Annual Rate ÷ 12

Daily Rate = Annual Rate ÷ 360 (banking standard) or ÷ 365 (actual days)

Annual Rate = Monthly Rate × 12

Annual Rate = Daily Rate × 360 (banking standard) or × 365 (actual days)

📖 About Interest Rate

Interest rate is the ratio of interest to principal over a period of time, an important indicator of time value of money.

Rate representation:

  • Annual rate: expressed as percentage (%), e.g. 4.35%
  • Monthly rate: expressed as per mille (‰), e.g. 3.625‰
  • Daily rate: expressed as per ten thousand (‱), e.g. 1.208‱

Notes:

  • Banks typically calculate daily rate using 360 days per year
  • Actual interest may be calculated using actual days (365 or 366)
  • Rates may vary between banks and products