Student Budget & Freelance Invoice Tax Calculator

Split your income using the 50/30/20 rule and calculate VAT, GST, or sales tax on your freelance invoices.

🎓 Student Budget Calculator

Split your income using the 50/30/20 rule — needs, wants, and savings.

💰 Your Income

$
What hits your bank account each month
Must equal 100% — sliders auto-adjust
$3,000 monthly
Needs Wants Savings
NEEDS (50%)
$1,500
Rent, food, utilities, transport, minimum debt payments, insurance
WANTS (30%)
$900
Dining out, entertainment, shopping, hobbies, subscriptions, travel
SAVINGS / DEBT (20%)
$600
Emergency fund, extra debt payments, investments, future goals
💡 If you save $600/month, that's $7,200 per year toward your future!

💡 Budget Tips

  • If your rent exceeds 30% of income, consider roommates or a more affordable place
  • Automate savings: set up auto-transfer from checking to savings on payday
  • Track every dollar for 30 days to see where your money really goes
  • The 50/30/20 rule is a guideline — adjust percentages to fit your life

📝 Freelance Invoice Tax Calculator

Know whether to add VAT, GST, HST, or sales tax to your invoices.

🌎 Invoice Details

$
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Important: Tax rules vary by jurisdiction and change frequently. Verify all tax requirements with a local accountant before issuing invoices. This tool provides estimates based on common rules.