US median net worth varies dramatically by age: under-35 median is ~$39K vs ~$409K for 55–64 year olds.
Top 10% threshold at age 40: ~$800K net worth.
Net worth = Assets (home equity, investments, savings) − Liabilities (mortgage, loans, debt).
Reach for this tool whenever a financial decision hinges on this type of calculation. Small differences in rate or term become large differences in total cost or return over multi-year horizons — differences that only become visible when you run the actual numbers.
Many financial calculation errors stem from omitting ancillary costs: fees, taxes, insurance, or maintenance. The headline figure (interest rate, monthly payment) is rarely the complete cost of a financial product.
An employee receives a counter-offer from another employer: a £4,000 salary increase but no pension contribution versus the current role's lower salary with 8% employer pension. Running both through the finance calculator shows the true net financial value of each offer.
Under 35: ~$76K median. 35–44: ~
Net Worth = Total Assets − Total Liabilities. Include home equity, retirement accounts, investments, and cash.