Finance & Math

Percentage Calculator

Calculate percentages, percentage increases/decreases, percentage differences, and fractions with step-by-step math explanations.

Compound Interest Calculator

Calculate future investment growth with compound interest, regular monthly/annual contributions, and detailed year-by-year tables.

Loan & Mortgage Calculator

Calculate monthly loan payments, total interest costs, and full amortization payoff schedules for mortgages, auto loans, and personal loans.

Discount & Sale Price Calculator

Calculate final sale prices, total savings, stacked coupon discounts, and local sales tax in one simple step.

Percentage Difference & Change Calculator

Loan EMI & Amortization Calculator

VAT & Sales Tax Reverse Calculator

Freelance Hourly Rate & Project Pricing Calculator

Discount Stacking & Sequential Price Calculator

Salary to Hourly & Paycheck Wage Converter

Mortgage Payment & Monthly PITI Calculator

Historical Inflation & Purchasing Power Calculator

Tip & Bill Splitter with Custom Tax and Currency

Gross Margin vs Markup Pricing Calculator

Return on Investment (ROI) & Compound Annual Return Calculator

Auto Loan & Monthly Car Payment Calculator

Compound Annual Growth Rate (CAGR) Calculator

Credit Card Payoff & Debt Interest Calculator

Salary After-Tax & Take-Home Paycheck Calculator

Compound Savings Goal & Target Deposit Calculator

Percentage of Total & Category Share Calculator

Loan Refinance & Break-Even Savings Calculator

Rule of 72 & Compound Doubling Time Calculator

Simple Interest Formula (I = P × r × t) Calculator

Auto Loan Early Payoff & Extra Payment Calculator

CAGR Asset Comparison Matrix & Growth Analyzer

Credit Card Utilization Ratio & Score Tier Calculator

Crypto Portfolio P&L & Average Buy Price Calculator

Emergency Fund Runway & Safety Buffer Calculator

Investment Fee & Expense Ratio Drag Calculator

Home Equity Loan & HELOC Borrowing Calculator

Net Worth Statement & Milestone Projection Calculator

Dividend Reinvestment (DRIP) Snowball Calculator

FIRE Calculator — Financial Independence Retire Early

Car Lease vs Buy Financial Comparison Calculator

Inflation Purchasing Power & Cash Decay Calculator

Annuity Calculator — Fixed Payout & Present Value Tool

Mortgage Amortization Schedule & Early Payoff Tool

401(k) Retirement Growth & Employer Match Calculator

Inflation-Adjusted Salary & Pay Raise Calculator

Hourly Paycheck & Overtime Pay Calculator

Roth IRA Growth & Tax Savings Calculator

Debt Snowball vs Avalanche Payoff Calculator

Simple & Exponential Moving Average (SMA/EMA) Calculator

HSA Investment Growth & Triple Tax Advantage Calculator

Home Down Payment Savings Timeline Calculator

Certificate of Deposit (CD) Ladder Strategy Calculator

Traditional vs Roth 401(k) & IRA Comparison Calculator

Target Date Retirement Fund Glide Path & Asset Allocation Calculator

Home Affordability & Debt-to-Income (DTI) Calculator

Backdoor Roth IRA Tax & Pro-Rata Rule Calculator

Real Estate Cap Rate & Net Operating Income (NOI) Calculator

Solar Panel Cost, Tax Credit & Payback Period Calculator

529 College Savings Plan Growth & Tuition Coverage Calculator

Real Estate Cash-on-Cash Return (CoC) Calculator

Electric Vehicle (EV) vs Gas Fuel & Cost Savings Calculator

Custodial Account (UGMA/UTMA) Growth & Kiddie Tax Calculator

Real Estate 70% Rule & House Flipping MAO Calculator

Daily & Annual Work Commute Cost & Time Calculator

Mortgage Recast Savings & Payment Reduction Calculator

Raw Land & Lot Loan Financing Calculator

Future Salary & Inflation Purchasing Power Calculator

Pension Lump Sum vs Monthly Annuity Calculator

Hard Money & Private Bridge Loan Financing Calculator

Cost of Living Relocation Salary & Purchasing Power Calculator

Immediate (SPIA) vs Fixed Deferred Annuity Calculator

Debt Service Coverage Ratio (DSCR) Rental Loan Calculator

Student Loan IDR & SAVE Repayment Plan Calculator

Commercial Real Estate Triple Net (NNN) Lease Calculator

Small Business Acquisition Valuation & SDE Multiple Calculator

Self-Employed SEP-IRA Contribution & Tax Savings Calculator

Commercial Real Estate (CRE) Debt Yield Ratio Underwriting Calculator

B2B SaaS Quick Ratio & Growth Efficiency Calculator

Solo 401(k) Contribution & Tax Shelter Calculator

Commercial Real Estate Loan-to-Cost (LTC) Underwriting Calculator

B2B SaaS Magic Number & Sales Efficiency Calculator

Mega Backdoor Roth Solo 401(k) & IRA Contribution Calculator

Commercial Real Estate DSCR Stress Test & Sensitivity Matrix

B2B SaaS Burn Multiple Capital Efficiency Calculator

IRS Section 1202 Qualified Small Business Stock (QSBS) Tax Exemption Calculator

Commercial Real Estate Break-Even Occupancy Calculator

B2B SaaS CAC Payback Period Calculator (Gross Margin Adjusted)

IRS Section 1091 Wash Sale Loss Disallowance & Basis Calculator

Commercial Real Estate (CRE) Equity Waterfall & Promote Distribution Calculator

SaaS Rule of 40 (Growth Rate + FCF Margin) Index Calculator

IRS Section 83(b) Election Startup Equity Tax Savings Calculator

Convertible Note Seed Round Financing & Dilution Calculator

SaaS Net Burn & Cash Runway Timeline Simulator

Y Combinator SAFE Note (Pre-Money vs Post-Money) Dilution Calculator

SaaS ARR Waterfall Bridge & Net Retention Rate (NRR) Calculator

Venture Debt & Warrant Coverage Dilution Calculator

Section 1202 QSBS Capital Gain Exclusion Cap Calculator

SaaS LTV:CAC Ratio & Payback Sensitivity Matrix Calculator

Pre-Money vs Post-Money SAFE Dilution Stack Calculator

Federal Estate Tax Portability (DSUE) & 2026 Sunset Calculator

SaaS Burn Multiple & Capital Efficiency Runway Calculator

IRS Section 83(b) Election Deadline & Tax Savings Calculator

IRS Section 179 & Bonus Depreciation Equipment Write-Off Calculator

SaaS Rule of 40 Efficiency & Valuation Multiplier Calculator

SAFE MFN (Most Favored Nation) Clause & Amendment Calculator

Commercial Real Estate Cost Segregation & Bonus Depreciation Calculator

SaaS Net Revenue Retention (NRR) Cohort Decay Calculator

Venture Capital Option Pool Shuffle & Dilution Calculator

TCJA Bonus Depreciation Phase-Down Schedule Calculator

SaaS Customer Health Score & Churn Risk Index Calculator

Startup Liquidation Preference Waterfall Calculator

Qualified Small Business Stock (QSBS) Section 1202 Capital Gains Calculator

SaaS Gross Margin & COGS Unit Economics Calculator

Founder Secondary Sale & Equity Dilution Calculator

Grantor Retained Annuity Trust (GRAT) Section 7520 Calculator

SaaS ACV, TCV & Deferred Revenue Waterfall Calculator

Startup Anti-Dilution Down-Round Calculator (Broad-Based & Full Ratchet)

IDGT Promissory Note Installment Sale Calculator (Rev. Rul. 85-13)