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Free financial calculators powered by official government data. Every formula cited. Every source linked. No signup, no upsells — just clear answers.
Financial Calculators
Every calculator shows its methodology, cites primary sources, and gives you instant results.
Federal Income Tax Calculator
Estimate your 2026 federal income tax using IRS brackets from Revenue Procedure 2025-32.
TaxSelf-Employment Tax Calculator
Calculate Social Security and Medicare taxes for freelancers and 1099 contractors. IRS Publication 334.
Savings & InvestmentCompound Interest Calculator
See how your money grows over time with compounding. Model different rates, contributions, and time horizons.
LoansMortgage Calculator
Calculate monthly payments with current Freddie Mac rates. Compare 15-year vs 30-year terms.
UtilityInflation Calculator
Calculate purchasing power from 1913 to 2025 using official Bureau of Labor Statistics CPI data.
Savings & Investment401(k) Retirement Calculator
Project 401(k) growth with employer matching. 2026 IRS limits: $24,000 ($31,500 with catch-up).
Savings & InvestmentI Bond Calculator
Project Series I Savings Bond earnings at current Treasury rates with early redemption penalty calculator.
BusinessProfit Margin Calculator
Calculate profit margin and markup from revenue and cost. Includes margin-to-markup conversion table.
UtilitySalary to Hourly Calculator
Convert annual salary to hourly rate and vice versa. Shows daily, weekly, biweekly, and monthly equivalents.
UtilityPercentage Calculator
What is X% of Y? What percent is X of Y? Calculate percentage change between two numbers.
Why ClearFigure?
Verified Accuracy
Every calculator uses published formulas and official government data. We show the math, cite the source, and link to the primary publication.
No Signup Required
All calculations happen in your browser. We don't store your financial data, require an account, or gate results behind email walls.
Fast & Respectful
No pop-ups, no auto-playing videos, no dark patterns. Just fast-loading tools that get out of your way and give you clear answers.