Calculate total lease cost (rent + deposit), rent-to-income ratio and deposit amount — with a 30% safety-line hint. Runs 100% in your browser.
Total lease cost (rent + deposit)
Rent-to-income ratio
Deposit amount
A common guideline: keep rent within 30% of your monthly income.
Enter the monthly rent, deposit (in months of rent), lease term (months) and your monthly income, then click Calculate. Total cost = rent × lease months + deposit; rent-to-income ratio = monthly rent ÷ income × 100%. The 30% line is a widely used affordability guideline. All math runs locally in your browser.