29 calculators
Money & finance calculators
Loans, savings, interest, tax and investment arithmetic, computed in exact fractions so a 360-payment schedule does not drift a cent.
A
C
- CAGR Compound annual growth rate between two values over a number of years.
- Car lease payment Monthly lease payment from capitalised cost, residual value and money factor.
- Car loan payment Monthly car payment including a trade-in, deposit and sales tax on the purchase.
- Compound interest Growth of a lump sum plus regular contributions, at any compounding frequency, with the interest broken out from the deposits.
- Credit card payoff How long a fixed monthly payment takes to clear a card balance, and what the interest costs.
D
- Debt-to-income ratio Front-end and back-end DTI from monthly debts and gross income.
- Declining balance depreciation Accelerated depreciation at a multiple of the straight-line rate, including the double-declining case.
- Dividend yield Yield, annual income and yield on cost from a share price and dividend.
M
R
- Refinance break-even How many months it takes for a lower rate to repay the closing costs of refinancing.
- Retirement withdrawal Sustainable annual income from a pot using a withdrawal rate, and the pot needed for a target income.
- Return on investment Simple and annualised return on investment from cost, final value and holding period.
- Rule of 72 The doubling-time shortcut, checked against the exact logarithmic answer.
S
- Savings goal How much to put aside each month to hit a target by a date, allowing for interest.
- Simple interest Interest that accrues only on the principal, with the compound figure alongside for comparison.
- Straight-line depreciation Equal annual depreciation from cost, salvage value and useful life, with the book value at any year.
- Sum-of-years depreciation Accelerated depreciation weighted by remaining life over the sum of the year digits.
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