Finance Calculators— Guides & Articles
Calculate Inflation in Excel With Two Formulas
Published 2026-08-03
Use the compound inflation formula in Excel to project future cost and purchasing power, or skip the spreadsheet with a free browser-based calculator.
How to Figure Out Home Affordability Using Real Numbers
Published 2026-08-03
A practical walkthrough of how to figure out home affordability using your income, debts, and down payment, plus the 28/36 rule behind the numbers.
Calculate Discount on Bonds Payable: The Simple Method
Published 2026-08-03
Discount on bonds payable formula explained, plus a free Discount Calculator that turns any percent-off deal into the exact sale price and total savings.
How to Calculate Compound Interest for 1 Year
Published 2026-08-03
Calculate compound interest for 1 year using A = P(1 + r/n)^n. Compare annual, monthly, and daily compounding and see exactly how much interest each…
Calculate Car Payment in Texas Before You Sign
Published 2026-08-02
Calculate car payment in Texas using a free loan calculator. Plan for the 6.25% state sales tax and dealer fees to find your true monthly cost.
How to Calculate Tip for a Restaurant Bill
Published 2026-08-02
Calculate the right restaurant tip using the standard formula. Includes US tipping norms, pre-tax vs post-tax guidance, and easy bill splitting for groups.
How to Calculate Simple Interest on a CD in 3 Steps
Published 2026-08-02
Calculate simple interest on a CD with I = P × r × t. Enter your deposit, rate, and term into our free calculator to see what you'd earn.
Calculate Savings in Excel: A Step-by-Step Guide
Published 2026-08-02
Calculate savings in Excel with compound interest and annuity formulas. Includes a worked example and a faster browser-based alternative.
How to Calculate ROI on Rental Property
Published 2026-08-01
Calculate ROI on a rental property with a two-number formula. Enter purchase cost and current value to see total return and annualized ROI instantly.
Calculate Age to Retirement and Project Your Nest Egg
Published 2026-08-01
Calculate the age to retirement. Project your nest egg and monthly income using savings, contributions, and the 4% rule.