Finanza Quantitativa & Matematica Attuariale
Calculators for mortgages, debt refinancing, HELOCs, real estate underwriting, tax liabilities, and compound interest models.
Mortgage Refinance & Breakeven Calculator
Calculate monthly payment savings, lifetime interest reduction, and closing cost breakeven horizon when refinancing a home mortgage.
HELOC (Home Equity Line of Credit) Payment Calculator
Calculate interest-only draw period payments and fully amortizing repayment installments for a Home Equity Line of Credit.
Debt-to-Income (DTI) Ratio Calculator
Calculate front-end and back-end debt-to-income ratios and determine your maximum qualified home purchase price for mortgage underwriting.
Loan-to-Value (LTV) Ratio & PMI Calculator
Determine your exact Loan-to-Value (LTV) ratio, required private mortgage insurance (PMI) thresholds, and equity milestones.
FHA Loan & Mortgage Insurance (MIP) Calculator
Calculate monthly FHA payments including upfront (UFMIP) and annual monthly mortgage insurance premiums with minimum 3.5% down payment.
VA Loan Payment & Funding Fee Calculator
Calculate 0% down VA home loan monthly payments, tiered VA funding fees, and total interest with zero monthly private mortgage insurance.
Reverse Mortgage (HECM) Calculator
Estimate Home Equity Conversion Mortgage (HECM) borrowing power, principal limits, and tenure monthly payout streams for homeowners 62+.
Personal Loan & Debt Consolidation Calculator
Calculate fixed monthly installments, total interest, and consolidation savings for unsecured personal loans.
Student Loan Refinancing Calculator
Calculate interest savings and monthly payment changes when refinancing federal or private student debt into lower private interest rates.
Credit Card Payoff & Interest Snowball Calculator
Calculate exact debt-free payoff timelines, total compound interest charges, and monthly payment requirements for high-interest revolving credit.
Boat Loan Financing & Payment Calculator
Calculate marine loan monthly payments, required down payments (10-20%), and total financing costs for new and used boats and yachts.
RV Loan & Motorhome Financing Calculator
Calculate motorhome, travel trailer, and fifth-wheel monthly installments, sales tax adjustments, and loan amortization.
Motorcycle Loan & Financing Calculator
Calculate monthly payments and total interest for new or used motorcycle financing.
Solar Loan & Energy Payoff Calculator
Calculate residential solar system financing, 30% Federal ITC tax credits, utility bill offsets, and net breakeven return on investment.
Commercial Real Estate Mortgage Calculator
Calculate commercial mortgage monthly payments, balloon balances, and debt yields for multifamily, office, and retail properties.
DSCR (Debt Service Coverage Ratio) Calculator
Calculate Debt Service Coverage Ratio (DSCR) and qualify for real estate investor loans without personal income or tax returns.
Cap Rate (Capitalization Rate) Calculator
Calculate commercial and residential real estate Capitalization Rates (Cap Rate) and valuation multiples from Net Operating Income.
Rental Property Cash Flow & ROI Calculator
Calculate monthly net cash flow, Cash-on-Cash Return (CoC), and expense ratios for residential investment real estate.
BRRRR Real Estate Investment Calculator
Analyze Buy, Rehab, Rent, Refinance, Repeat (BRRRR) transactions. Calculate cash left in the deal and velocity of capital.
Hard Money & Fix-and-Flip Loan Calculator
Calculate short-term bridge and hard money loan costs, origination points, interest reserves, and net flip profit margins.
Roth IRA Conversion & Tax Optimizer
Calculate conversion income taxes, future tax-free growth advantages, and optimal tax bracket filling when converting Traditional IRAs to Roth.
Traditional vs Roth 401(k) / IRA Calculator
Compare pre-tax Traditional retirement savings against post-tax Roth contributions based on career income progression and tax brackets.
Required Minimum Distribution (RMD) Calculator
Calculate IRS mandatory annual withdrawals from Traditional IRA and 401(k) accounts using the IRS Uniform Lifetime Table.
Dividend Reinvestment (DRIP) Calculator
Simulate exponential compounding through automatic dividend reinvestment (DRIP), dividend growth rates, and recurring cash contributions.
FIRE Calculator (Financial Independence, Retire Early)
Calculate your exact FIRE Number, Lean/Fat FIRE targets, and time to complete financial freedom using Trinity Study safe withdrawal rates.
Social Security Benefit & Age Optimizer
Determine your optimal Social Security claiming age (62 vs 67 vs 70), breakeven life expectancy, and lifetime benefit maximization.
Pension Annuity vs Lump Sum Calculator
Evaluate defined benefit pension options. Determine the internal rate of return (IRR) required to beat a lifetime pension annuity with a lump sum rollover.
Certificate of Deposit (CD) Calculator
Calculate Certificate of Deposit (CD) compounding yields, early withdrawal penalties, and fixed returns across terms from 3 months to 5 years.
High-Yield Savings Account (HYSA) Calculator
Calculate compound growth in a High-Yield Savings Account with monthly deposits, daily interest accrual, and inflation comparisons.
Inflation & Purchasing Power Calculator
Calculate the erosion of purchasing power over time, future cost of living, and required future income based on CPI inflation rates.
Rule of 72 Investment Doubling Calculator
Calculate exact and heuristic investment doubling periods using the logarithmic Rule of 72, Rule of 70, and Rule of 69.3.
Stock Option & RSU Vesting Calculator
Calculate equity compensation value, vested shares, tax withholding, and net after-tax proceeds for RSUs, ISOs, and NSOs.
Crypto Profit & Capital Gains Tax Calculator
Calculate cryptocurrency trading profits, short-term vs long-term capital gains, and IRS tax liability using FIFO cost basis.
Capital Gains Tax Calculator
Calculate federal and state capital gains taxes on stocks, real estate, and collectibles with standard 0%, 15%, and 20% brackets.
1099 Self-Employment Tax (SECA) Calculator
Calculate 15.3% self-employment tax (Social Security & Medicare), above-the-line 50% SE deduction, and quarterly estimated payments.
Salary to Hourly Wage Calculator
Convert annual salary into equivalent hourly, daily, weekly, and bi-weekly wage rates based on standard 2,080 annual work hours.
Hourly to Salary Wage Calculator
Convert hourly pay into gross annual salary, accounting for overtime hours at 1.5x time-and-a-half rates.
Sales Commission & Quota Calculator
Calculate tiered sales commission payouts, accelerated accelerator tiers, and On-Target Earnings (OTE) achievement.
Break-Even Point Analysis Calculator
Calculate exact unit and revenue break-even points, contribution margins, and safety margins for commercial operations.
Margin vs Markup Multiplier Calculator
Convert between Gross Profit Margin and Markup percentage, calculate target selling prices, and eliminate pricing confusion.
Customer Acquisition Cost (CAC) Calculator
Calculate blended and paid Customer Acquisition Cost (CAC) from total sales and marketing expenditure divided by new acquired customers.
Customer Lifetime Value (LTV / CLV) Calculator
Calculate Customer Lifetime Value (LTV) from Average Revenue Per Account (ARPA), gross margin percentage, and customer churn rate.
LTV:CAC Ratio & Payback Period Calculator
Calculate the gold-standard SaaS unit economics ratio (LTV:CAC) and months required to recover acquisition cash outflows.
Customer & Revenue Churn Rate Calculator
Calculate logo churn, gross revenue churn, net revenue retention (NRR), and annualized churn compound curves.
MRR to ARR & Net New MRR Calculator
Calculate Annual Recurring Revenue (ARR) run rate, Net New MRR, expansion rate, and contraction churn components.
Startup Cash Runway & Burn Rate Calculator
Calculate net monthly burn rate, gross cash outflows, and exact operational runway in months until zero cash date (ZCD).
SaaS Magic Number & Sales Efficiency Calculator
Calculate the SaaS Magic Number measuring Net New ARR generated per dollar spent on sales and marketing.
SaaS Rule of 40 Calculator
Calculate the Rule of 40 score balancing YoY ARR revenue growth rate percentage and Free Cash Flow (FCF) margin percentage.
Net Promoter Score (NPS) Calculator
Calculate Net Promoter Score (NPS), Promoters (9-10), Passives (7-8), Detractors (0-6), and statistical standard error margin.
Average Revenue Per User (ARPU / ARPA) Calculator
Calculate Average Revenue Per User (ARPU) and Average Revenue Per Account (ARPA) across monthly, quarterly, and annual intervals.
Viral Coefficient (K-Factor) & Growth Calculator
Calculate K-factor viral expansion, viral cycle time, customer compounding multiplier, and organic user generation.
Employee Turnover & Replacement Cost Calculator
Calculate true financial and organizational cost of employee turnover, recruiting fees, onboarding lag, and lost institutional productivity.
Return on Ad Spend (ROAS) & Breakeven Calculator
Calculate ROAS, Breakeven ROAS from product profit margin, net advertising profit, and target ad budget scale.
Cost Per Acquisition (CPA) from CPC Calculator
Calculate Cost Per Acquisition (CPA) from Cost Per Click (CPC) and Landing Page Conversion Rate (CVR).
Email Marketing Campaign ROI Calculator
Calculate open rates, click-through rates (CTR), conversion yields, total campaign revenue, and net ROI percentage.
Sales Pipeline Velocity Calculator
Calculate sales pipeline velocity (revenue generated per day) and forecast monthly deal flow from win rate, deal size, and sales cycle length.
Working Capital & Current Ratio Calculator
Calculate Net Working Capital (NWC), Current Ratio, and short-term corporate liquidity solvency from current assets and liabilities.
Quick Ratio (Acid-Test) Calculator
Calculate the Acid-Test Quick Ratio isolating liquid cash, marketable securities, and accounts receivable against current liabilities.
Corporate DSCR & Interest Coverage Calculator
Calculate Debt Service Coverage Ratio (DSCR) and Times Interest Earned (TIE) from Net Operating Income (NOI) / EBITDA and debt service obligations.
Economic Order Quantity (EOQ) & Reorder Point Calculator
Calculate optimal inventory order batch size (EOQ), annual carrying costs, ordering costs, and safety stock reorder point.
Bessemer Burn Multiple Calculator
Calculate the Bessemer Venture Partners Burn Multiple measuring net cash burned for each dollar of Net New ARR generated.
Freemium to Paid Conversion Calculator
Calculate freemium user conversion rates, free-to-paid funnel velocity, monthly recurring revenue from free tier, and cohort monetization.
Gross Revenue Retention (GRR) vs NRR Calculator
Calculate Gross Revenue Retention (GRR), isolating core churn and contraction without obscuring losses behind expansion revenue.
SaaS CAC Payback Period Calculator
Calculate exact customer acquisition cost payback period in months accounting for gross margin and customer revenue churn drag.
Inventory Turnover & Days Sales of Inventory (DSI) Calculator
Calculate inventory turnover ratio, Days Sales of Inventory (DSI / DIO), and capital tied up in warehouse stock.
Car Lease vs Buy Financial Comparison Calculator
Compare the total multi-year financial cost of leasing versus purchasing a new vehicle, accounting for depreciation, money factor, and equity at lease end.
Electric Vehicle vs Gas Savings Calculator
Calculate annual fuel, maintenance, and brake pad cost savings switching from an internal combustion engine (ICE) car to an EV.
Car Depreciation & Future Value Curve Calculator
Calculate multi-year vehicle depreciation curves, month-by-month residual value, dollar loss per mile driven, and optimal trade-in horizons.
5-Year True Cost to Own (TCO) Calculator
Calculate true full cost to own a vehicle over 5 years combining depreciation, financing interest, fuel, insurance, maintenance, and state taxes.
Vehicle Sales Tax & Trade-In Credit Calculator
Calculate state, county, and local vehicle sales tax, registration fees, and tax credit savings from trading in an existing vehicle.
Auto Loan Refinance Savings Calculator
Calculate monthly payment reduction and lifetime interest savings from refinancing an auto loan to a lower APR interest rate.
Auto GAP Insurance Need & Negative Equity Calculator
Calculate negative equity exposure ('underwater loan') comparing outstanding auto loan balance against actual cash value (ACV) after depreciation.
Commercial Real Estate IRR & Equity Multiple Calculator
Calculate commercial property Internal Rate of Return (IRR), Equity Multiple (EM), and multi-year cash flow yield including disposition sale proceeds.
Commercial Real Estate NPV & DCF Calculator
Calculate Net Present Value (NPV) and Discounted Cash Flow (DCF) valuation for commercial real estate properties at your required hurdle discount rate.
Cash-on-Cash Return & Pre-Tax Yield Calculator
Calculate Cash-on-Cash (CoC) return percentage measuring annual pre-tax cash flow divided by total out-of-pocket cash capital invested.
Gross Rent Multiplier (GRM) & Valuation Calculator
Calculate Gross Rent Multiplier (GRM) and estimate fair market multifamily property values from annual gross scheduled rents.
Section 1031 Like-Kind Exchange & Tax Deferral Calculator
Calculate deferred federal capital gains tax, net boot, depreciation recapture tax, and replacement property equity requirements under IRS Section 1031.
Cap Rate Sensitivity & Valuation Matrix Calculator
Calculate commercial property asset valuation sensitivity across varying Net Operating Income (NOI) levels and exit capitalization rates.
Commercial Rent Roll & Economic Vacancy Calculator
Analyze commercial rent rolls, Gross Potential Rent (GPR), physical vacancy, economic concessions, and Effective Gross Income (EGI).
Cost Segregation & Accelerated Depreciation Calculator
Estimate year 1 bonus depreciation tax deductions segregating commercial or residential real estate into 5-year, 15-year, and 27.5/39-year property.
Syndication Preferred Return & Waterfall Equity Calculator
Calculate private equity syndication waterfall distributions between General Partners (GP) and Limited Partners (LP) with preferred returns and promote hurdles.
Triple Net (NNN) vs Full Service Gross Lease Calculator
Compare commercial lease structures: Triple Net (NNN) versus Full Service Gross (FSG), converting CAM, property tax, and insurance into effective rates.
Tenant Improvement (TI) Allowance & Amortization Calculator
Calculate Tenant Improvement (TI) build-out costs, landlord allowances per square foot, leasing commissions, and effective net rent.
Short-Term Rental (Airbnb) Cash Flow & ADR Calculator
Calculate Short-Term Rental (STR / VRBO) net monthly cash flow, Average Daily Rate (ADR), occupancy yields, cleaning fees, and platform commissions.
Closing Day Property Tax Proration Calculator
Calculate exact real estate closing day property tax prorations, daily per diem tax rates, and buyer/seller credits using 365-day calendar year rules.
House Flipping 70% Rule & MAO Calculator
Calculate Maximum Allowable Offer (MAO) for fix-and-flip real estate deals using the investor 70% rule, repair budgets, and holding costs.
Land Subdivision & Development Lot Yield Calculator
Calculate residential subdivision lot yields, infrastructure loss deductions (roads, storm detention, wetlands), and residual land raw value.
Self-Storage Facility Feasibility & Revenue Calculator
Calculate self-storage facility rental revenue, Net Rentable Square Footage (NRSF), unit mix rent optimization, and commercial valuation.
Mobile Home Park (MHP) Lot Rent & Cap Rate Calculator
Calculate Mobile Home Park (MHP / Manufactured Housing) Net Operating Income (NOI), tenant-owned home (TOH) lot rents, and commercial valuation.
Mezzanine Debt & Subordinated Financing Blended Cost Calculator
Calculate blended Weighted Average Cost of Capital (WACC) across senior mortgage debt, mezzanine subordinated debt, and sponsor equity.
Hard Money Loan Cost & Points Calculator
Calculate total financing fees, upfront origination points, monthly interest-only payments, and effective annualized APR on hard money bridge loans.
Commercial Bridge Loan Interest Reserve Calculator
Calculate interest reserve escrows, floating SOFR spreads, and monthly carrying costs for commercial bridge loans during property repositioning.
Qualified Opportunity Zone (QOZ) Tax Incentive Calculator
Calculate capital gains tax deferral and complete 10-year tax-free gain elimination on Qualified Opportunity Zone Fund (QOF) investments.
HOA Reserve Fund Adequacy & Percent Funded Calculator
Calculate Homeowners Association (HOA) or Condominium Reserve Fund Percent Funded metric, Fully Funded Balance (FFB), and special assessment insolvency risk.
Section 1250 Depreciation Recapture Tax Calculator
Calculate IRS Section 1250 unrecaptured depreciation tax (25% rate) versus long-term capital gains tax upon commercial or rental property sale.
Real Estate GP Promoted Interest (Carried Interest) Calculator
Calculate General Partner (GP) carried interest promote compensation across multi-tier IRR hurdles and equity waterfall agreements.
Blended Mortgage Interest Rate & Second Loan Calculator
Calculate effective blended interest rate combining a low-rate first mortgage with a Home Equity Loan, HELOC, or mezzanine second mortgage.
W-2 Employee vs 1099 Contractor Net Pay Calculator
Compare net take-home pay between W-2 employment and 1099 independent contractor arrangements, factoring in 15.3% self-employment tax, benefits, and write-offs.
Federal Paycheck Withholding & Net Pay Calculator
Calculate exact net paycheck take-home pay after federal income tax, Social Security (6.2%), Medicare (1.45%), and pre-tax deductions.
S-Corporation Reasonable Salary & Tax Savings Calculator
Calculate annual FICA self-employment tax savings from electing S-Corp status, optimizing reasonable compensation salary versus shareholder distributions.
Section 199A Qualified Business Income (QBI) Calculator
Calculate the 20% Section 199A QBI deduction for pass-through entities (LLCs, S-Corps, partnerships), testing Specified Service Trade or Business (SSTB) thresholds.
401(k) Employer Match & True Compensation Calculator
Calculate employer 401(k) matching dollars, required employee contribution to maximize match, vesting schedules, and 30-year compound growth.
Mega Backdoor Roth IRA Contribution Calculator
Calculate maximum allowable after-tax 401(k) contributions and Mega Backdoor Roth capacity under the Section 415(c) overall limit ($69,000 in 2024).
Health Savings Account (HSA) Triple Tax Calculator
Calculate Health Savings Account (HSA) triple tax savings: tax-deductible contributions, tax-free investment growth, and tax-free medical withdrawals.
Healthcare FSA Contribution & Forfeiture Calculator
Calculate Healthcare Flexible Spending Account (FSA) tax savings, optimal annual election, and avoid forfeiture under the IRS 'use-it-or-lose-it' rule.
Child Tax Credit (CTC) & Phase-Out Calculator
Calculate the federal Child Tax Credit ($2,000 per child), refundable Additional Child Tax Credit (ACTC), and high-income phase-outs.
Standard Deduction vs Itemized (Schedule A) Calculator
Compare the standard deduction against itemized Schedule A deductions: mortgage interest, $10k SALT cap, and charitable contributions.
Marginal vs Effective Tax Rate Calculator
Calculate progressive federal tax bracket tiers, top marginal tax rate versus true effective (average) tax rate paid on total income.
State Income Tax Relocation Comparison Calculator
Compare annual state income tax liabilities between high-tax states (California, New York, New Jersey) and zero-income-tax states (Florida, Texas, Tennessee).
Tax-Loss Harvesting & Capital Gains Offset Calculator
Calculate realized capital gains offsets using tax-loss harvesting, the IRS $3,000 ordinary income write-off limit, and net tax savings.
Section 179 Equipment Depreciation Calculator
Calculate immediate first-year Section 179 equipment expensing deductions ($1,220,000 limit in 2024), phase-out ceilings, and net equipment acquisition cost.
Section 168(k) Bonus Depreciation Phase-Down Calculator
Calculate Section 168(k) bonus depreciation under the TCJA phase-down schedule (60% in 2024, 40% in 2025, 20% in 2026, 0% in 2027).
Restricted Stock Unit (RSU) Vesting Tax Calculator
Calculate RSU vesting income, mandatory supplemental tax withholding (22% vs 37%), shares sold-to-cover taxes, and net shares delivered.
Employee Stock Purchase Plan (ESPP) Calculator
Calculate Employee Stock Purchase Plan (ESPP) returns with 15% discount and lookback provision, annualized IRR, and qualifying vs disqualifying dispositions.
Net Unrealized Appreciation (NUA) 401(k) Stock Calculator
Calculate Net Unrealized Appreciation (NUA) tax savings on employer stock inside a 401(k), converting 37% ordinary income tax into 20% capital gains tax.
Rule 72(t) SEPP Early IRA Withdrawal Calculator
Calculate penalty-free early retirement withdrawals from traditional or Roth IRAs prior to age 59ยฝ using IRS Rule 72(t) Substantially Equal Periodic Payments.
Charitable Remainder Unitrust (CRUT) Tax Calculator
Calculate immediate upfront income tax deductions, tax-free appreciated asset sales, and annual annuity income streams using a Charitable Remainder Trust (CRUT).
Federal Estate & Lifetime Gift Tax Exemption Calculator
Calculate federal estate and gift tax exposure (40% rate), lifetime unified credit ($13.61M individual / $27.22M married), and 2026 TCJA sunset impact.
Inherited IRA 10-Year Rule & RMD Calculator
Calculate SECURE Act 10-year mandatory withdrawal schedules for inherited traditional and Roth IRAs, minimizing bracket creep and tax drag.
Social Security Benefits Taxation Calculator
Calculate how much of your Social Security retirement benefit is subject to federal income tax (0%, 50%, or 85%) based on provisional combined income.
Medicare IRMAA Surcharge & Surtax Calculator
Calculate Medicare Part B and Part D Income-Related Monthly Adjustment Amount (IRMAA) premium surcharges and cliff threshold triggers.
Employer FUTA & SUTA Unemployment Tax Calculator
Calculate Federal Unemployment Tax Act (FUTA 0.6% net) and State Unemployment Tax (SUTA) employer liabilities across payroll wage bases.