Finance calculators

Loans, investing, and the math behind everyday money decisions.

Run the numbers on mortgages, loans, credit cards, investments, and retirement — with transparent formulas and editable assumptions.

Calculators
27
Topics: All Mortgage (23) Loans (11) Investing (65) Retirement (8) Budgeting (27)
27 results
Finance / Budgeting

Cash-Back Rewards Calculator

Estimate the annual cash-back you would earn given a baseline rewards rate, plus a bonus rate that applies to a portion...

basic
23,452 4.2 1 min
Finance / Budgeting

Markup vs Margin Calculator

Compute both markup % (over cost) and margin % (over revenue) from the same cost and selling price — and see how they di...

basic
22,386 4.2 1 min
Finance / Budgeting

Tax Bracket Calculator

Compute tax owed under a simplified 4-bracket progressive income tax scheme. Useful for "what-if" scenarios at any combi...

basic
5,495 4.3 1 min