Free Business Tools
Calculate payment due dates, early payment discounts, and late fees for your invoices. All tools are free to use, no signup required.
Free Invoice Generators
Create professional invoices in seconds with our free invoice generator. Customize your invoice with your logo, business details, and itemized charges. Download as PDF or send directly to clients.
Net Payment Calculators
Calculate due dates for any net payment term. Enter your invoice date and amount to see when payment is due, plus calculate early payment discounts and late fees.
Net 7 Calculator
Quick payment for recurring services
Net 10 Calculator
Short-term B2B transactions
Net 15 Calculator
Balanced payment flexibility
Net 30 Calculator
Standard business payment terms
Net 45 Calculator
Extended terms for larger orders
Net 60 Calculator
Enterprise and retail accounts
Net 90 Calculator
Government and major contracts
Salary Calculators
Convert between hourly rates and annual salaries. Calculate monthly, weekly, and daily income with simple after-tax estimates.
$20/hour
$41,600/year
$25/hour
$52,000/year
$30/hour
$62,400/year
$35/hour
$72,800/year
$40/hour
$83,200/year
$45/hour
$93,600/year
$50/hour
$104,000/year
$60/hour
$124,800/year
More Calculators
Additional financial calculators to help manage your invoicing and accounts receivable.
Freelance Rate Calculator
Calculate your ideal hourly rate based on income goals, expenses, and billable hours.
Late Payment Interest Calculator
Calculate interest and admin fees on overdue invoices with annual, monthly, or fixed rates.
US Tariff Calculator
Calculate US import duties, MPF, HMF, and total landed costs for international shipments.
Need More Than a Calculator?
PineBill automates invoice creation, tracks due dates, sends payment reminders, and helps you get paid faster.