All Free Calculators

Browse 120+ free calculators organized by category — no signup required.

💰 Tax Calculators

💼 Self-Employment Tax Calculator 2026 — Calc SE tax + income tax instantly
📅 Quarterly Estimated Tax Calculator — Q1-Q4 payment amounts & due dates
⚖️ W-2 vs 1099 Tax Calculator — Compare employee vs contractor pay
🏢 S-Corp Tax Savings Calculator — How much you save with S-Corp
⚠️ IRS Underpayment Penalty Calculator — Avoid the 8% annual penalty
📊 Freelancer Effective Tax Rate Calculator — Your real effective vs marginal tax rate
💳 1099-K Threshold Calculator 2026 — Do you need to report payments?
🏠 Home Office Deduction Calculator — Simplified vs regular method
🚗 Mileage Deduction Calculator 2026 — IRS rate: 70 cents/mile for 2026
₿ Crypto Tax Calculator 2026 — Bitcoin & crypto capital gains tax

Browse Tax Calculators calculators →

📈 Retirement & Investing

💹 Compound Interest Calculator — Watch money grow — daily/monthly/yearly
📈 Retirement Savings Calculator — Will you have enough to retire?
💰 Roth IRA vs Traditional IRA Calculator — Which saves more after tax?
📅 SEP IRA vs Solo 401(k) Calculator — Which gives self-employed workers more?
💸 Solo 401(k) Contribution Calculator — Max out your retirement deduction
🔥 FIRE Number Calculator — Your financial independence target & timeline
🚢 Coast FIRE Calculator — When can you stop saving & coast to retirement?
☕ Barista FIRE Calculator — When can you switch to part-time & still retire?

Browse Retirement & Investing calculators →

🏠 Personal Finance

🏦 Net Worth Calculator — Assets minus liabilities = your real wealth
🛡️ Life Insurance Needs Calculator — How much coverage do you need?
🛡️ Emergency Fund Calculator — How much to save & how long it takes
💳 Debt Payoff Calculator — Snowball vs avalanche — months to freedom
⏰ Salary to Hourly Calculator — Instantly convert annual to hourly rate
🏠 Mortgage Payment Calculator 2026 — Monthly PITI payment with taxes & insurance
💰 How Much House Can I Afford? — Max home price using the 28/36 rule

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💼 Business & Freelance

💰 Freelancer Hourly Rate Calculator — Never underprice your services
📊 Break-Even Calculator — Units & revenue to break even
📈 Profit Margin Calculator — Gross, net & operating margin in one click
💼 Employee True Cost Calculator — Real employer cost beyond base salary
📋 LLC Formation Cost by State — True first-year cost to form an LLC
🧾 Invoice Total Calculator with Tax — Line items, discount & tax — copy-ready
💼 Freelance Client ROI Calculator — Is this client worth it? True hourly revealed

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🏢 Business Valuation

🏢 Business Valuation Calculator — What is your business worth?
💻 SaaS Business Valuation Calculator — ARR, NRR & growth-adjusted SaaS valuation
🤝 Service Business Valuation Calculator — SDE-based valuation for agencies & consultancies
🍴 Restaurant Valuation Calculator — Sales multiple + equipment + lease adjustment
🛒 E-Commerce Business Valuation Calculator — FBA, Shopify & multi-channel store valuation
🏗️ Construction Business Valuation Calculator — Backlog, equipment & bonding capacity

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🔍 Business Acquisition

Browse Business Acquisition calculators →

🚗 Gig Economy Tax

🚗 Uber/Lyft Driver Tax Calculator — Gig driver taxes + mileage deduction
🛵 DoorDash/Delivery Driver Tax Calculator — Food delivery driver tax estimate
🏠 Airbnb Host Tax Calculator 2026 — Short-term rental income tax + deductions
🛍️ Etsy Seller Tax Calculator 2026 — Shop profit, fees & self-employment tax
🧾 Paycheck Calculator 2026 — Federal + state tax withholding estimator

Browse Gig Economy Tax calculators →

🗺️ State Tax Calculators

🌴 Freelancer Tax Calculator — California — CA state + federal + SE tax
🤠 Freelancer Tax Calculator — Texas — TX (no state tax) + federal
🗽 Freelancer Tax Calculator — New York — NY state + NYC city + federal
☀️ Freelancer Tax Calculator — Florida — FL (no state tax) + federal
🏙 Freelancer Tax Calculator — Illinois — IL state + federal + SE tax
🌲 Freelancer Tax Calculator — Washington — WA (no state income tax) + federal
🌊 Freelancer Tax Calculator — New Jersey — NJ state + federal + SE tax

Browse State Tax Calculators calculators →

🎓 Student Loans

🎓 Student Loan Payoff Calculator — Payoff date, total interest and refinance savings
🎓 Best Student Loan Refinancing 2026 — SoFi vs Earnest vs Splash - save thousands
Best Payroll Software 2026
Best Credit Cards Freelancers 2026
💳 Debt Payoff Calculator — Snowball vs avalanche — months to freedom
💳 Credit Card Payoff Calculator — Payoff date, total interest & optimal strategy

Browse Student Loans calculators →

💸 Money Tools

💸 Inflation Calculator 2026 — What is $X in todays dollars worth?
📈 Investment Return Calculator — When will you hit $100K, $500K, $1M?
🏥 HSA Contribution Calculator 2026 — 2026 limits plus triple tax advantage
🏦 Net Worth Calculator — Assets minus liabilities = your real wealth

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📝 Deductions

Browse Deductions calculators →

📊 More Calculators

📊 Tax Bracket Calculator 2026 — See which 2026 federal bracket your income falls in
💵 50/30/20 Budget Calculator — Automatic needs, wants & savings split
🎓 College Savings Calculator 529 — Monthly savings needed to pay for college
📄 Paycheck Withholding Calculator 2026 — Is your W-4 withholding too much or too little?

Browse More Calculators calculators →

💵 Paycheck Calculators by State

💵 California Paycheck Calculator 2026 — CA progressive tax + federal + FICA take-home
💵 Texas Paycheck Calculator 2026 — TX (no state tax) federal + FICA take-home
💵 New York Paycheck Calculator 2026 — NY progressive tax + federal take-home
💵 Florida Paycheck Calculator 2026 — FL (no state tax) federal + FICA take-home
💵 Illinois Paycheck Calculator 2026 — IL 4.95% flat tax + federal take-home
💵 Pennsylvania Paycheck Calculator 2026 — PA 3.07% flat tax + federal take-home
💵 Ohio Paycheck Calculator 2026 — OH progressive brackets + federal take-home
💵 Georgia Paycheck Calculator 2026 — GA 5.49% flat tax + federal take-home
💵 North Carolina Paycheck Calculator 2026 — NC 4.25% flat tax + federal take-home
💵 New Jersey Paycheck Calculator 2026 — NJ progressive tax + federal take-home

Browse Paycheck Calculators by State calculators →

💼 Employer Payroll Cost by State

💼 California Employer Payroll Cost 2026 — True cost to hire in CA with taxes & benefits
💼 Texas Employer Payroll Cost 2026 — True cost to hire in TX with taxes & benefits
💼 New York Employer Payroll Cost 2026 — True cost to hire in NY with taxes & benefits
💼 Florida Employer Payroll Cost 2026 — True cost to hire in FL with taxes & benefits
💼 Illinois Employer Payroll Cost 2026 — True cost to hire in IL with taxes & benefits
💼 Pennsylvania Employer Payroll Cost 2026 — True cost to hire in PA with taxes & benefits
💼 Ohio Employer Payroll Cost 2026 — True cost to hire in OH with taxes & benefits
💼 Georgia Employer Payroll Cost 2026 — True cost to hire in GA with taxes & benefits
💼 North Carolina Employer Payroll Cost 2026 — True cost to hire in NC with taxes & benefits
💼 New Jersey Employer Payroll Cost 2026 — True cost to hire in NJ with taxes & benefits

Browse Employer Payroll Cost by State calculators →

🏦 SBA Loan Calculators

💼 SBA 7(a) Loan Calculator 2026 — Monthly payment, guarantee fees & true cost
🏭 SBA 504 Loan Calculator 2026 — 3-party split: equity, CDC & bank portions
✅ SBA Loan Qualification Calculator — DSCR pre-screening & approval probability
📊 DSCR Calculator for Small Business — Debt service coverage ratio with benchmarks
⚖️ SBA 7(a) vs 504 Comparison Tool — Side-by-side with personalized recommendation

Browse SBA Loan Calculators calculators →

💻 Developer Tools

🤖 OpenAI API Cost Calculator 2026 — GPT-4o, o1 & o3 pricing with caching & batch
🧠 Claude API Pricing Calculator 2026 — Opus, Sonnet & Haiku with prompt caching
⚖️ LLM Cost Comparison Tool 2026 — GPT-4o vs Claude vs Gemini — find the cheapest

Browse Developer Tools calculators →

📊 SaaS Metrics

📊 SaaS Metrics Hub — All SaaS KPI calculators in one place
📈 SaaS Metrics Calculator — MRR, ARR, churn, LTV/CAC & Rule of 40
💰 MRR & ARR Calculator — Monthly & annual recurring revenue with growth rate
📉 Churn Rate Calculator — Customer & revenue churn with annualized rates
⚖️ LTV:CAC Ratio Calculator — Customer lifetime value vs acquisition cost ratio
🔢 Rule of 40 Calculator — Growth rate + profit margin SaaS benchmark
🔥 Burn Multiple Calculator — Capital efficiency: net burn ÷ net new ARR
🔄 Net Revenue Retention Calculator — NRR & GRR from expansion, contraction & churn

Browse SaaS Metrics calculators →

🏢 Entity Comparison by State

🏢 LLC vs S-Corp vs C-Corp Tax Calculator 2026 — Most accurate 4-entity comparison — includes QBI deduction
Llc Vs S Corp Calculator California
Llc Vs S Corp Calculator Texas
Llc Vs S Corp Calculator New York
Llc Vs S Corp Calculator Florida
Llc Vs S Corp Calculator Illinois
Llc Vs S Corp Calculator Pennsylvania
Llc Vs S Corp Calculator Ohio
Llc Vs S Corp Calculator Georgia
Llc Vs S Corp Calculator North Carolina
Llc Vs S Corp Calculator New Jersey

Browse Entity Comparison by State calculators →

More Free Calculators

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SaaS Metrics Hub

All SaaS KPI calculators in one place

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Solo 401(k) Contribution Calculator

Max out your retirement deduction

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IRS Underpayment Penalty Calculator

Avoid the 8% annual penalty

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Airbnb Host Tax Calculator 2026

Short-term rental income tax + deductions

⚠️ AI Disclosure: This tool was built by an autonomous AI agent. Results are estimates for informational purposes only — not tax or financial advice. Consult a licensed tax professional.