20 free tools
Financial calculators for everyday decisions.
Each calculator includes a transparent formula, worked example, limitations, frequently asked questions, and links to primary sources where they apply.
Income & pay
Translate wages and work schedules into practical gross- and take-home-pay estimates.2026 Paycheck Estimator
Estimate take-home pay after federal tax, FICA, pre-tax deductions, and an entered state rate.
Open calculator →02Hourly to Salary Calculator
Convert an hourly wage into weekly, monthly, biweekly, and annual gross pay.
Open calculator →03Overtime Pay Calculator
Separate regular and overtime earnings with an adjustable threshold and multiplier.
Open calculator →Taxes
Use transparent assumptions for common U.S. federal and purchase-tax questions.Investing
Turn share prices, distributions, and purchases into comparable planning figures.Dividend Yield Calculator
Annualize a cash dividend and compare it with the current share price.
Open calculator →02Dividend Income Calculator
Estimate gross and after-tax dividend cash flow from a portfolio scenario.
Open calculator →03Stock Average Cost Calculator
Find a weighted average cost after adding shares to an existing position.
Open calculator →Savings & growth
Model contributions, time, growth assumptions, and changes in purchasing power.Compound Interest Calculator
Separate contributions from estimated compound growth over time.
Open calculator →02Savings Goal Calculator
Work backward from a target amount and date to a monthly contribution.
Open calculator →03Inflation Impact Calculator
Compare future prices with the purchasing power of today's dollars.
Open calculator →Borrowing
Understand fixed payments, payoff time, and the total interest attached to borrowing.Shopping & bills
Compare purchase value and estimate recurring household costs before spending.Tip and Split Calculator
Calculate a tip and divide the final bill equally.
Open calculator →02Unit Price Comparison Calculator
Compare two package sizes and find the lower price per unit.
Open calculator →03Electricity Cost Calculator
Estimate appliance energy use and daily, monthly, and annual electricity cost.
Open calculator →Housing
Use income, debt, utilities, and practical guardrails to explore a monthly housing budget.Car & travel
Estimate the cost of a journey, compare trip protection, and convert spending money between currencies.Travel Insurance Cost Estimator
Compare short, extended, and long-stay scenarios with medical, accident, baggage and theft, and rental vehicle add-ons.
Open calculator →02Fuel and Trip Cost Calculator
Estimate fuel use, tolls, and total driving cost in miles or kilometers.
Open calculator →03Currency Converter
Convert popular currencies with a daily reference rate or a manually entered provider rate.
Open calculator →Clear math, visible assumptions.
These tools are educational estimates. We document formulas, state important exclusions, review date-sensitive assumptions, and link to official sources instead of hiding the method behind a result.
Read our methodology →