nana.wtf

Making Life Easier, One Weird Tool at a Time

Thai Name Transcription

Accurately transcribe English names into Thai with proper spelling. Perfect for tattoos, documents, and more.

Sales Tax Calculator

Calculate sales tax, VAT, withholding tax, and total prices for business transactions instantly.

Mileage Deduction Calculator

Calculate potential tax deductions for business vehicle use based on miles driven and current per-mile rates.

Freelancer Rate Calculator

Determine your effective hourly rate by factoring in desired income, non-billable hours, and business expenses.

Payment Due Date Calculator

Calculate exact payment due dates for invoices based on terms like Net 30, Net 60, with grace period options.

Profit Margin Calculator

Calculate gross profit margin by inputting cost of goods sold and revenue. Essential for product businesses.

Depreciation Calculator

Calculate annual depreciation for small assets using the straight-line method. Input cost, salvage value, and life.

Late Payment Interest

Calculate interest charges on overdue invoices based on daily or monthly interest rates for your business.