SIX CALCULATIONS, ONE STATEMENT

Interest maths that matches what actually lands in your account

Model simple interest, compound growth, a loan's monthly repayment, a recurring savings plan, a credit card payoff or a multi-debt strategy — then read the result the way your bank or payroll department would print it, penny for penny.

Redirecting to the compound interest calculator… if nothing happens, click here.

STATEMENT REF.
PERIOD GENERATED
SUMMARY
Result
$0.00

Full breakdown

Every period, principal-versus-interest split and running balance — the same shape as an amortization table from a bank.

Why the number should match your statement

01 · ROUNDING

Per-period rounding, not end rounding

Interest and principal are rounded to the cent on every single period, exactly as a bank's ledger does — not calculated in full precision and rounded once at the end, which is where most quick calculators drift from a real statement.

02 · CONVENTIONS

Real-world day-count rules

Simple interest supports both actual/365 and actual/360 conventions. Loans use standard reducing-balance monthly compounding. These are the same conventions written into most consumer credit agreements.

03 · TRANSPARENCY

Every formula, shown in the open

No black box. The methodology panel below spells out exactly which formula ran, with your own numbers substituted in, so you can check it line by line against a payslip or bank letter.

Methodology & formulas used