About This Calculator
The Rental Income Growth Calculator projects how your rental portfolio's income grows over time through compound rent increases and controlled expenses. Even modest 3% annual rent growth creates dramatic income differences over a decade.
The key insight: rent growth compounds just like investment returns. A $2,000/month rental growing at 3% annually becomes $2,688/month after 10 years — a 34% increase in income on the same property. Combined with mortgage paydown and appreciation, long-term rental ownership is a powerful wealth-building strategy.
Expense growth is equally important — if expenses grow faster than rents (a common mistake to model), your NOI growth is compressed. Always include realistic expense inflation (typically 2–3% annually) in your projections.