Free Business & Finance Tools
Free business and finance tools for freelancers, small business owners, and real estate professionals. Whether you need to calculate your take-home pay after federal and state taxes, generate a professional watermark-free invoice PDF, estimate your monthly mortgage payment, or figure out the right hourly rate for your freelance work — these tools give you accurate numbers in seconds, with no sign-up walls or subscription fees.
Every tool runs entirely in your browser, meaning your salary, revenue, or property data never touches a server. From invoice generation to profit margin analysis, you get the financial clarity to make smarter decisions, close deals faster, and stay on top of your numbers. Professional-grade finance utilities, completely free.
15 free tools available now
Invoice Generator
Create and download professional invoices instantly
Paycheck Calculator
Calculate your take-home pay after taxes instantly
Startup Runway & Burn Rate Calculator
Runway in months + Paul Graham's "default alive" check with month-by-month cash projection
SaaS Metrics Calculator
MRR, ARR, GRR, NRR, LTV, CAC payback, Rule of 40 — full SaaS unit-economics dashboard from one MRR waterfall
Cap Table / Equity Dilution Calculator
Model founder dilution through option pool, SAFE conversion, and priced rounds (seed + Series A)
Loan Calculator
Auto, personal, student & home equity loan calculator with amortization schedule
1099 vs W-2 Calculator
Compare W-2 employment vs 1099 contracting take-home — SE tax, QBI, benefits
Freelance Rate Calculator
Calculate the hourly rate you actually need to charge as a freelancer
Profit Margin Calculator
Calculate gross margin, net margin, and markup — and reverse-calculate your price
Sales Tax Calculator
Calculate sales tax for any US state — add tax or reverse from total
Percentage Calculator
Calculate percentages, percent change, and reverse percentages instantly
Age Calculator
Calculate exact age, days between dates, and days until any date
Tip Calculator
Split the bill and calculate tip in seconds
Days Between Dates Calculator
Calculate the exact number of days between any two dates
Meeting Cost Calculator
Calculate the real dollar cost of your meetings — with a live ticker
All free business & finance tools
Every tool listed below is 100% free, requires no account, and runs entirely in your browser — your data never leaves your device.
📄 Free Invoice Generator
Create professional PDF invoices in 2 minutes — no watermark, no signup, unlimited. Add logo, taxes, discounts. Download instantly. Free forever.
💰 Free Paycheck Calculator
Free paycheck calculator with 2026 federal brackets, all 50 states + DC, FICA, and pre-tax deductions. See your exact take-home pay in seconds. Free to embed on your website. No signup required.
🚀 Free Startup Runway & Burn Rate Calculator
Free startup runway calculator with month-by-month cash projection, revenue growth modeling, and Paul Graham's default-alive check. Shows when you'll hit profitability vs run out of cash. No signup required.
📊 Free SaaS Metrics Calculator
Free SaaS metrics calculator computing MRR, ARR, ARPA, gross/net churn, GRR, NRR, LTV, LTV:CAC, CAC payback, and Rule of 40. Industry-canonical formulas (Bessemer, OpenView). No signup.
🏛️ Free Cap Table / Equity Dilution Calculator
Free cap table and dilution calculator. Founders + option pool + SAFE conversion + seed/Series A rounds with proper post-money math. See the ownership table at each stage. No signup required.
🏦 Free Loan Calculator
Calculate monthly payments, total interest, and full amortization schedule for auto, personal, student, and home equity loans. See how extra payments save you thousands. Free, no signup.
⚖️ Free 1099 vs W-2 Calculator
Free 1099 vs W-2 calculator. Compare the net take-home of W-2 employment and 1099 contracting — self-employment tax, QBI deduction, health insurance, benefits — and the rate you need to charge. No signup.
🧮 Free Freelance Rate Calculator
Free freelance rate calculator. Enter your income goal, tax rate, expenses, health insurance, retirement savings, and vacation weeks — get the exact minimum hourly, daily, weekly, and monthly rate you need to charge. Free to embed on your website. No signup required.
📊 Free Profit Margin Calculator
Free profit margin calculator. Enter cost and selling price to get gross margin %, markup %, net margin, and ROI. Reverse modes: enter your target margin or markup to find the price you need to charge. Free to embed on your website. No signup required.
🧾 Free Sales Tax Calculator
Free US sales tax calculator for all 50 states + DC. Add tax to a pre-tax price, or reverse-calculate the original price from a tax-inclusive total. Includes a multi-item cart mode. Free to embed on your website. No signup required.
% Free Percentage Calculator
Free percentage calculator. Find what X% of a number is, calculate percent change between two values, find what percentage one number is of another, and calculate increase/decrease by a percent. No signup required.
🎂 Free Age Calculator
Free age calculator. Find your exact age in years, months, and days. Calculate the number of days between two dates or find how many days until a future event. No signup required.
🍽️ Free Tip Calculator
Free tip calculator. Enter the bill amount, tip percentage, and number of people to instantly see the tip amount, total, and per-person share. No signup.
📅 Free Days Between Dates Calculator
Free days between dates calculator. Enter two dates to instantly see the difference in days, weeks, months, and years. Count business days too. No signup.
⏰ Free Meeting Cost Calculator
Calculate the real dollar cost of your meetings by attendees, salaries, and duration. Includes a live cost ticker and shareable PNG result card. Free.