Calculator Categories
- All Calculators - Browse all financial calculators by category
- Loan Calculators - Mortgage, auto, personal, and student loan calculators
- Savings & Investment Calculators - Compound interest, 401(k), and investment growth
- Retirement Calculators - 401(k), Social Security, and RMD calculators
- Income Calculators - Paycheck and salary calculators
- Debt & Credit Calculators - Credit card payoff and debt strategies
- Economic Calculators - Inflation and purchasing power
- Everyday Calculators - Tips, bill splitting, and daily calculations
Loan & Mortgage Calculators
- Mortgage Calculator - Calculate monthly mortgage payments with taxes and insurance
- Mortgage Payment Calculator - Detailed mortgage payment breakdown with amortization
- Mortgage Affordability Calculator - Find out how much house you can afford
- Loan Calculator - General purpose loan payment calculator
- Auto Loan Calculator - Calculate monthly car loan payments
- Student Loan Calculator - Student loan payment and payoff calculator
- Personal Loan Calculator - Calculate personal loan payments and total cost
- Business Loan Calculator - Calculate business loan payments with amortization schedule
- APR Calculator - Compare annual percentage rates with fees and points
- Rent vs Buy Calculator - Compare the costs of renting versus buying a home
- FHA Loan Calculator - Calculate FHA loan payments with MIP and down payment requirements
Debt & Credit Calculators
- Credit Card Payoff Calculator - Calculate how long to pay off credit card debt
- Credit Utilization Calculator - Calculate your credit utilization ratio
- Debt Snowball vs Avalanche Calculator - Compare debt payoff strategies
Savings & Investment Calculators
- Savings Calculator - Calculate savings growth with regular deposits
- Compound Interest Calculator - Calculate how your savings grow over time with compound interest
- Investment Calculator - Calculate investment growth with compound returns
- ROI Calculator - Calculate return on investment percentage
- Net Worth Calculator - Calculate your total net worth
- Capital Gains Calculator - Estimate taxes on investment gains
- Emergency Fund Calculator - Calculate how much emergency savings you need
- CD Calculator - Calculate certificate of deposit earnings, APY, and CD ladder strategies
Retirement Calculators
- 401(k) Calculator - Calculate retirement savings with employer match and catch-up contributions
- IRA Calculator - Compare Traditional vs Roth IRA with 2026 contribution limits and growth projections
- Social Security Calculator - Estimate your Social Security benefits at different claiming ages
- RMD Calculator - Calculate required minimum distributions from retirement accounts
- Roth Conversion Calculator - Analyze Roth IRA conversion tax implications and benefits
- HSA Calculator - Calculate Health Savings Account contributions and tax benefits
Income Calculators
- Paycheck Calculator - Calculate take-home pay after taxes and deductions
- Tips Tax Calculator - Calculate taxes owed on tip income including federal and FICA
- Overtime Tax Calculator - Calculate taxes on overtime pay including federal and FICA withholding
- Dependent Care FSA Calculator - Calculate DCFSA tax savings with H.R.1 enhanced limits
- Employer Childcare Credit Calculator - Calculate IRC Section 45F employer childcare tax credits
Economic & Inflation Calculators
- Inflation Calculator - Calculate purchasing power over time
Everyday Calculators
- Tip Calculator - Calculate restaurant tips and split bills among friends
Widgets & Embeds
- Embeddable Widget Gallery - Free calculator widgets you can add to any website with one line of code
For Business
- For Business - White-label financial calculator widgets for your website
- Widget Pricing - Free, Pro, and Enterprise plans for embeddable calculators
- Business Documentation - Embed financial calculators on your site: iframe widgets, REST API, and MCP server for AI agents
Developer Resources
- MCP Server - Free Model Context Protocol server with 5 financial calculator tools for AI agents (mortgage, compound interest, 401(k), Social Security, paycheck)
- MCP Quickstart - Install and connect from Claude Desktop, MCP Inspector, or call via REST in under 5 minutes
- MCP API Reference - Full input schemas, output payload shapes, and error codes for all 5 calculator tools
- MCP FAQ - Accuracy, YMYL disclaimer, rate limits, support, change policy, and license
- REST API POC: POST /api/calculate/mortgage - Single-endpoint proof-of-concept for the REST companion surface (Sprint 141; full REST surface ADR-pending S142+)
Life Event Planners
- Life Event Planners - Guided multi-step financial planning tools for major life transitions
- Career Change & Job Loss Planner - Calculate your savings runway, model scenarios, and build a personalized action plan
- Home Buying Financial Planner - Model mortgage scenarios, assess down payment readiness, and build a personalized buying action plan
Financial Guides
- All Guides - Browse all financial guides by topic
- Home Buying Guides - Guides for buying your first home
- Retirement Planning Guides - 401(k), Social Security, and retirement strategies
- Debt Management Guides - Strategies for paying off debt
- Auto Financing Guides - Car buying and financing tips
- Wealth Building Guides - Saving and investing strategies
- Income & Tax Guides - Understanding your taxes
Articles & Guides
- How Much House Can I Afford? - Calculate your home buying budget
- First-Time Homebuyer Guide - Everything you need to know about buying your first home
- How Much House on $80K Salary? - Realistic home buying budget on a common salary
- How Much House Can I Really Afford? - Complete affordability guide beyond the calculator
- Understanding PMI - What private mortgage insurance is and how to avoid it
- PITI Explained - Understanding principal, interest, taxes, and insurance
- Rent vs Buy Decision Guide - Make the right housing choice
- Car Trade-In Value Guide - Maximize your trade-in value
- Lease vs Buy: Which is Better? - Make the right vehicle decision
- Auto Loan Rates by Credit Score - What rates to expect for your credit score
- Auto Loan Interest Rates by Credit Score Guide - Complete 2026 guide to rates, lender comparison, and strategies
- How to Get the Best Auto Loan Rate - Proven strategies to lower your car loan APR in 2026
- APR vs Interest Rate - What the difference is and how to compare loan offers
- Personal Loan Rates by Credit Score - What rates to expect
- Debt Consolidation Guide - How to consolidate debt with a personal loan
- Student Loan Forgiveness Guide - PSLF, IDR, and forgiveness programs
- How Long to Pay Off Student Loans - Calculate your payoff timeline
- Income-Driven Repayment Plans - Compare IDR plan options
- Student Loan vs Mortgage - How student debt affects home buying
- Multiple Credit Cards Strategy - Optimize your credit card payoff
- Free Credit Card Payoff Calculator - Plan your credit card debt payoff
- Credit Utilization Impact Guide - How utilization affects your credit score
- How to Lower Credit Utilization - 7 proven strategies to lower your ratio and boost your score
- Average Credit Utilization by Credit Score - 2026 benchmarks at every FICO tier from Experian, FICO, and CFPB data
- Snowball vs Avalanche: Which is Better? - Compare debt payoff strategies
- Debt Payoff Strategies Guide - Snowball vs avalanche with real examples and interest savings math
- Debt Consolidation Guide - How to combine debts with balance transfers, personal loans, and home equity options
- Best CD Rates Comparison 2026 - Compare top CD rates from major banks
- Average Savings by Age 2026 - How your savings compare to national benchmarks
- Best Savings Rates 2026 - Compare top high-yield savings accounts
- Monthly Compound Interest - How monthly compounding grows your money
- Compound Interest Guide - Understanding the power of compound interest
- CD Ladder Strategy Guide - Build a CD ladder for better returns
- CD Rates Comparison 2026 - Compare the best CD rates available
- CD vs Savings Account - Compare CDs and savings accounts to choose the right option
- CD Early Withdrawal Penalty - How banks calculate the penalty, side-by-side schedules at 8 major banks, principal-loss risk, and when breaking a CD makes sense
- How Much Emergency Fund? - Build your financial safety net
- Emergency Fund Guide - Complete guide to building an emergency fund
- Emergency Fund Savings Guide - How to build your financial safety net
- Where to Keep Your Emergency Fund - High-yield savings accounts and FDIC-insured options for 2026
- Emergency Fund for Freelancers - How much self-employed workers need to save in 2026
- Net Worth by Age Benchmarks - Are you on track financially?
- Average Net Worth by Income - How your net worth compares to others at your salary level
- How to Increase Net Worth - 10 proven strategies to grow your wealth
- Net Worth at 50 - Retirement readiness benchmarks and catch-up strategies
- Net Worth Percentiles 2026 - Find where you rank from 10th to 99th percentile by age
- Net Worth at 30 - Where you should be and how to get ahead
- Net Worth at 40 - Benchmarks, medians, and how you compare at your peak earning years
- Average ROI by Investment Type - Compare average returns across stocks, bonds, real estate, and more
- Inflation Impact Guide - How inflation affects your purchasing power
- Inflation Rate History - U.S. inflation trends, causes, and outlook from 1913 to 2026
- 401(k) by Age Benchmarks - How much should you have saved?
- 401(k) vs IRA Comparison - Which retirement account is right for you?
- 401(k) Early Withdrawal Penalty - Costs and exceptions for early withdrawals
- How to Maximize Your 401(k) Match - Get every dollar of free employer money
- Roth 401(k) vs Traditional 401(k) - Compare pre-tax and after-tax contributions
- IRA Contribution Limits 2026 - Current year contribution limits and rules
- IRA vs 401(k) Comparison - Which retirement account is right for you?
- HSA vs FSA Comparison - Which health savings account is right for you?
- When to Claim Social Security - Optimize your claiming strategy
- Social Security Spousal Benefits - Maximize benefits for married couples
- 2026 Tax Brackets Guide - Federal income tax brackets explained
- Understanding Paycheck Deductions - What comes out of your paycheck and why
- Capital Gains Tax Strategies - Minimize taxes on investments
- How Are Tips Taxed in 2026? - Tips taxation and H.R.1 deduction guide
- H.R.1 Who Qualifies - Tips and overtime tax exemption eligibility under H.R.1
- How to Calculate Take-Home Pay - Step-by-step guide to understanding your paycheck
- Roth vs Traditional IRA - Compare IRA types for your retirement strategy
- IRA Contribution Limits & Strategies - 2026 IRA limits, Roth vs Traditional decision tree, and backdoor Roth guide
- Backdoor Roth IRA Guide - Step-by-step guide for high earners to bypass Roth income limits
- Roth Conversion Tax Strategies - When and how to convert your Traditional IRA to Roth for tax savings
- How to Build Net Worth at Every Income Level - Income-specific wealth building strategies
- Emergency Fund by Income Level - How much to save based on your salary
- Dependent Care FSA Guide - Complete guide to DCFSA benefits and H.R.1 changes
- FHA Loan Requirements 2026 - Credit scores, down payments, and eligibility for FHA loans
- Does Overtime Get Taxed More? - Understanding overtime taxation under H.R.1
- 401(k) Employer Match by Company - Compare employer matching contributions
- 2026 Capital Gains Tax Brackets - Federal capital gains rates and thresholds
- Down Payment Guide 2026 - How much down payment you need by loan type
- Loan Amortization Explained - How loan payments split between principal and interest
- Mortgage Interest Deduction 2026 - How to claim the mortgage interest tax deduction
- New vs Used Car Guide - Compare costs of buying new versus used
- When to Refinance Your Car Loan - Signs it's time to refinance your auto loan
- Tax-Loss Harvesting Guide - Offset capital gains with strategic losses
- Home Sale Exclusion (Section 121) - Exclude up to $250K/$500K in capital gains on primary residence sales
- Capital Gains Tax Planning Guide - Short-term vs long-term strategies, tax-loss harvesting, and year-end checklist for 2026
- Credit Card Debt by Age - Average credit card debt by generation
- Emergency Fund vs Debt Payoff - Which should you prioritize?
- Employer Childcare Credit Guide - H.R.1 employer childcare tax credit explained
- HSA Contribution Limits 2026 - Current year HSA limits and catch-up contributions
- Investment Growth Guide - How your investments grow over time
- Closing Costs Guide - What to expect at closing and how to reduce costs
- Closing Costs Explained - Every fee homebuyers pay at closing and 7 ways to reduce costs
- 2026 Standard Deduction - Current standard deduction amounts by filing status
- DTI Ratio Guide - Understanding your debt-to-income ratio
- Roth Conversion Strategy 2026 - When to convert and how much
- PSLF Guide - Public Service Loan Forgiveness eligibility and steps
- Retirement Savings by Age - How much you should have saved at every age
- How Much to Save Each Month - Monthly savings targets by income and goals
- Savings Account Types Compared - HYSA vs CD vs money market vs traditional savings
- RMD Rules 2026 - Required minimum distribution rules and calculations
- RMD Withdrawal Strategies - Minimize taxes on required minimum distributions with QCDs, Roth conversions, and more
- Inherited IRA RMD Rules - The 10-year rule, eligible designated beneficiaries, spouse options, and tax planning strategies
- SECURE 2.0 RMD Age Rules - How SECURE 2.0 changed RMD ages from 72 to 73 to 75 by birth year cohort
- Business Loan Types Compared - Compare SBA, term loans, lines of credit, and more
- Business Loan Application Checklist - Documents and steps to apply for a business loan
- Loan Payoff Strategies - 7 proven strategies to pay off your loan faster and save on interest
- Salary Negotiation Guide - Research-backed strategies to negotiate higher pay, counter-offers, and total compensation
- Mortgage Payment Formula - How to calculate your monthly mortgage payment with the P&I formula
- Mortgage Calculator Methodology - Step-by-step mortgage calculation methodology with formula, amortization math, and PITI breakdown
- 15-Year vs 30-Year Mortgage - Compare total interest costs, monthly payments, equity buildup, and break-even analysis
- Tax Withholding Guide - How to adjust your W-4 for accurate federal tax withholding
- CD Ladder Strategy - How to build a CD ladder for maximum returns and liquidity
- 401(k) Calculator Methodology - How 401(k) growth is calculated with the future value formula, employer match math, and IRS 2026 limits
- Investment Calculator Methodology - How investment growth is calculated with compound interest, future value of annuity, CAGR, and real vs nominal returns
- Mega Backdoor Roth Guide - How to maximize Roth contributions beyond the limit with after-tax 401(k) conversions
- Net Worth Milestones by Age - Benchmarks, targets, and how to catch up at every decade
- Roth IRA Conversion Ladder - How early retirees access retirement funds tax-free before 59½
- HSA Investment Strategies - Turn your health savings account into a retirement powerhouse
- How to Embed a Financial Calculator - Step-by-step guide to adding calculator widgets to your website
- Used Car Loan Rates 2026 - Average used car APRs by credit score tier and strategies to get the lowest rate
- 401(k) Contribution Strategies by Age - How much to save in your 20s, 30s, 40s, and 50s with 2026 IRS limits
- Net Worth by Age Benchmarks 2026 - Average and median net worth by age group from Federal Reserve data
- How to Catch Up on Retirement Savings - Age-specific catch-up strategies with 2026 IRS limits
- 401(k) Withdrawal Rules - Penalties, exceptions, RMDs, and tax-efficient withdrawal strategies
- High-Yield Savings Accounts Guide - Compare HYSA rates, understand APY, and maximize your savings returns
- Net Worth for Retirement - How much net worth you need to retire using the 4% rule and income benchmarks
- Net Worth vs Income - Why net worth, not income, decides who builds wealth and the savings rate math behind it
- Mortgage Refinance Break-Even Guide - Calculate the break-even point on a refinance with the formula, 2026 Freddie Mac rate context, and worked examples
- Subprime Auto Loan Rates 2026 - Subprime and near-prime auto APRs by credit score (500-660), the 72-month payment trap, CFPB-flagged predatory practices, and 5 strategies to escape the subprime tier
- How Is PMI Calculated? - The PMI formula step-by-step, how LTV and credit score set your rate (0.19%-2.25%), worked examples on a $400K mortgage, and how to verify your lender's quote
- Inherited IRA: The 10-Year Rule and Withdrawal Strategy - SECURE Act 10-year rule, IRS 2024 final regs, who's exempt (5 EDB categories), RMDs in years 1-9, the 25% excise tax, and tax-smart withdrawal strategies on a $500,000 inheritance
Legal & Information Pages
- About - Learn about Digital Calculator and Markco Labs LLC
- Privacy Policy - How we collect and use information
- Terms of Use - Terms and conditions for using our calculators
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