Finance Calculators — Guides & Articles

• Calculate Tip Before or After Tax the Right Way

  Published 2026-07-15

  Tip on a pre-tax subtotal and tip on a post-tax total differ by the tax rate — see which method to use and split the bill per person with our free tool.

  

• How to Calculate Mortgage Insurance for Your Home Loan

  Published 2026-07-15

  Mortgage insurance protects lenders if you default, but it adds to your monthly cost. Use a free online calculator to estimate PMI or MIP in seconds—no…

  

• How to Calculate Loan Payment With Interest Accurately

  Published 2026-07-15

  Calculate loan payment with interest using the Loan Payoff Calculator. Enter balance, APR, and monthly payment to see payoff time and total interest instantly.

  

• How to Calculate Savings Growth with Regular Deposits

  Published 2026-07-15

  See exactly how much your savings will grow with regular deposits, starting balance, and interest—plus a clear split between your contributions and earned…

  

• How to Calculate Retirement: Nest Egg & Income

  Published 2026-07-15

  Calculate your retirement in minutes by projecting your nest egg and monthly income using the 4% rule. Enter age, savings, contributions, and return.

  

• How to Calculate Inflation and Future Purchasing Power

  Published 2026-07-15

  Calculate inflation's impact on your savings with a free tool. Enter today's dollars, an annual rate, and years to see future cost and buying power instantly.

  

• How to Calculate Inflation-Adjusted Return for Any Investment

  Published 2026-07-14

  Find your real return after inflation in seconds. Enter today’s dollars, pick an inflation rate, and see future cost and purchasing power instantly.

  

• How to Calculate Home Affordability From Your Income

  Published 2026-07-14

  Calculate how much house you can afford using the 28/36 rule. Enter income, debts, and down payment to find your maximum home price instantly.

  

• How to Calculate Discount Percentage the Right Way

  Published 2026-07-14

  Calculate discount percentage in two clicks with our free Discount Calculator. Get the exact sale price, total savings, and the true rate when coupons stack.

  

• Calculate Compound Interest Step by Step

  Published 2026-07-14

  Calculate compound interest in minutes: enter principal, rate, and frequency to see final amount, total interest earned, and the impact of compounding.