Finance Tools
Finance Calculators
Three free personal finance calculators: project investment growth with compound interest, measure purchasing power changes using historical CPI data, and calculate required minimum distributions under SECURE 2.0.
Compound Interest CalculatorInvestment growth with compounding and contributionsEnter principal, rate, compounding frequency, and regular contributions. Get year-by-year growth, total interest, and inflation-adjusted real value.Updated May 2026Inflation CalculatorCPI purchasing power 1913–2025Convert dollar amounts across any years using BLS CPI-U annual averages. Shows cumulative inflation and average annual inflation rate.Updated May 2026Required Minimum Distribution (RMD) CalculatorRequired minimum distribution (SECURE 2.0, age 73)Calculates your annual RMD from the IRS Uniform Lifetime Table. Enter prior year-end balance and age to see RMD, withholding, and net distribution.Updated May 2026
Key facts for 2026
- Compound interest: $10,000 at 7% monthly compounding grows to $20,097 after 10 years — without any additional contributions.
- Inflation: $100 in 2000 equals about $183 in 2025 — an 83% cumulative price increase, or 2.46% per year on average (BLS CPI-U).
- RMD starting age: SECURE 2.0 raised the required beginning date to age 73 for those born 1951–1959. The age increases to 75 starting in 2033.
Educational estimates only — not financial or tax advice. Methodology | Disclaimer