Free Finance & Business Calculators
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Thailand
(13 tools)Thailand Personal Income Tax Calculator 2026
Calculate Thai personal income tax with progressive rates and deductions
TaxThailand Salary Calculator — Net Take-Home Pay
Calculate Thai net salary after social security, tax withholding, and provident fund
TaxThailand Bonus Tax Calculator 2026
How much tax on your bonus? Calculate the true marginal tax on a Thai bonus, its effective rate, and top tax bracket
TaxThailand Tax Residency Calculator (180-Day Rule)
Are you a Thai tax resident? Check your status against the 180-day rule and see the tax implications for foreign income
TaxThailand Home Loan Interest Calculator
Calculate Thai home loan interest, monthly payments, and amortization schedule
LoansThailand Car Loan Calculator
Calculate monthly car payments with flat rate and reducing balance interest
LoansThailand Social Security Contribution Calculator
Calculate Thai social security contributions for employee and employer
LaborThailand Severance Pay Calculator
Calculate severance pay under Thai Labor Protection Act
LaborThailand Overtime Pay Calculator
Calculate overtime pay and holiday work pay under Thai labor law
LaborThailand Provident Fund Calculator
Calculate provident fund growth and retirement benefits
RetirementThailand Retirement Calculator
Calculate how much you need to save for retirement in Thailand
RetirementThailand Social Security Pension Calculator (CARE)
Estimate your Thai Social Security old-age pension under the new CARE formula (2026)
RetirementThailand VAT Calculator (7%)
Calculate 7% VAT — add or remove VAT from product or service prices
TaxUnited States
(7 tools)US Mortgage Calculator
Calculate US mortgage payments with PMI, taxes, and insurance
LoansCredit Card Payoff Calculator
Calculate how long to pay off credit card debt and total interest
LoansLoan Comparison Calculator
Compare multiple loan offers to find the best deal
LoansUS Take-Home Pay Calculator (by State)
Calculate your after-tax income by US state
TaxUS Retirement Planner Calculator
Plan retirement with 401(k), IRA, and Social Security estimates
RetirementFreelancer Hourly Rate Calculator
Calculate your ideal freelance hourly rate based on expenses and goals
BusinessUS Sales Tax Calculator (by State)
Calculate sales tax by US state. See pre-tax and post-tax prices.
TaxUniversal Tools
(19 tools)Compound Interest Calculator
Calculate compound interest with growth visualization chart
InvestmentBuddhist Era ↔ Christian Era Converter
Convert between Buddhist Era (BE) and Christian Era (CE) years
UtilityInvestment Return Calculator
Calculate investment returns including dividends and capital growth
InvestmentROI Calculator (Return on Investment)
Calculate return on investment for any business or investment project
BusinessNet Worth Tracker
Track your assets and liabilities. Data saved locally in your browser.
InvestmentFree Invoice Generator (PDF Export)
Create professional invoices for free. Export to PDF. No signup.
BusinessProfit Margin Calculator
Calculate gross margin, net margin, and markup percentage
BusinessBreak-Even Analysis Calculator
Calculate your business break-even point in units and revenue
BusinessMarkup Calculator
Calculate selling price from cost and desired markup percentage
BusinessCAC/LTV Calculator
Calculate Customer Acquisition Cost and Lifetime Value ratio
BusinessQR Code Generator (with Logo)
Generate QR codes for free with custom logo. Download as image.
UtilitySecure Password Generator
Generate strong, secure passwords with customizable length and format
UtilityUnit Converter (Kitchen & Construction)
Convert measurement units for cooking and construction
UtilityDate Calculator (Days Between Dates)
Calculate days between two dates or add/subtract days from a date
UtilityFree Resume Builder (PDF Export)
Build a professional resume for free. Choose templates. Export to PDF.
UtilitySavings Goal Calculator
Calculate how much to save monthly or how long to reach your savings goal
InvestmentPercentage Calculator
Calculate percentages: X% of Y, ratio, change, increase/decrease
UtilityDiscount & Sale Price Calculator
Calculate final price after discount. Supports stacked discounts and tax.
BusinessSalary Converter (Annual ↔ Hourly)
Convert salary between annual, monthly, biweekly, weekly, daily, and hourly rates
Business