Find free calculators designed to help you make smarter decisions about your home, money, health, loans, retirement, investing, and business.
Start with some of the most useful and popular calculators on Legit Calc.
Estimate your monthly mortgage payment including principal, interest, taxes, insurance, PMI, and HOA costs.
Use Calculator →Estimate available home equity borrowing power and potential HELOC payments.
Use Calculator →Calculate suggested sleep and wake times using sleep-cycle and duration estimates.
Use Calculator →Compare income, expenses, savings, and debt payments to build a monthly financial plan.
Use Calculator →Estimate future retirement savings needs, account growth, and long-term planning scenarios.
Use Calculator →Estimate monthly vehicle payments, interest costs, and total financing expenses.
Use Calculator →Explore calculators organized by topic so you can quickly find the tools most relevant to your decision.
Mortgage payments, home affordability, refinancing, home equity, closing costs, PMI, and more.
Budgeting, savings, income, debt, net worth, and everyday financial planning.
Sleep, calories, BMI, nutrition, hydration, body composition, and fitness.
Auto loans, personal loans, student loans, business loans, and specialty financing.
Retirement planning, 401(k), investing, compound interest, dividends, and income.
ROI, profit margins, break-even, ROAS, customer economics, pricing, and sales.
Browse groups of calculators designed around common financial, health, and business goals.
Affordability, mortgage payments, down payment, PMI, and closing costs.
Debt payoff, credit cards, debt ratios, and consolidation.
Sleep cycles, sleep debt, naps, caffeine cutoff, and circadian timing.
Retirement savings, income, withdrawals, and financial independence.
ROI, ROAS, CAC, LTV, margins, and break-even analysis.
Explore some of the newest tools and recent improvements added to Legit Calc.
Estimate accumulated sleep debt and explore potential recovery schedules.
Use Calculator →Estimate potential mortgage qualification using income, debt, and common lending ratios.
Use Calculator →Estimate current home equity using property value and outstanding mortgage balances.
Use Calculator →Learn how the numbers work before making your next decision.
Learn how income, debt, interest rates, and down payment can affect your home-buying power.
Read Guide →Compare borrowing structures, repayment options, and common uses.
Read Guide →Learn how sleep needs vary and how to build a more consistent sleep schedule.
Read Guide →Legit Calc is designed to do more than generate a number. Our calculators combine useful calculations with educational explanations and contextual insights.
Browse the Legit Calc library, explore calculator categories, or search for the exact tool you need.
