Build your monthly budget for Kailua. The calculator is pre-filled with realistic local expenses, including $2,400 average rent, so you can see your savings rate against the 50/30/20 rule.
Last updated: May 2026 · Data: MIT Living Wage Calculator, C2ER, U.S. Census, BLS, IRS, state and city sources
Kailua has a cost-of-living index of 210 (US average = 100). Housing is usually the largest line item, with average 1-bedroom rent near $2,400/month. The estimates below are pre-filled in the calculator and scaled to local costs.
| Expense Category | Typical Kailua Amount |
|---|---|
| Housing (1-bedroom rent) | $2,400/month |
| Food (single person) | $575/month |
| Transportation | $650/month |
| Utilities & Internet | $220/month |
| Healthcare & Insurance | $320/month |
| Personal & Entertainment | $275/month |
| Recommended Savings | 15%+ of gross income |
| Emergency Fund Target | 3 to 6 months of expenses |
Kailua is an affluent beach town on the windward side of Oahu, known for some of the most desirable beaches in Hawaii, with high home prices, a tourism and small-business economy, and a large share of residents who commute to Honolulu.
| Local Metric | Kailua (2026 estimate) |
|---|---|
| Metro population | 40,000 |
| County / jurisdiction | the City and County of Honolulu |
| Cost of living index (US avg = 100) | 210 |
| MIT living wage, single adult | $27.00/hour |
| MIT living wage, one earner supporting a family of four | $52.00/hour |
| Applicable minimum wage | $16.00/hour |
| Average rent, 1-bedroom | $2,400/month |
| Average rent, 2-bedroom | $3,000/month |
| Median home price | $1,100,000 |
| Median household income | $130,000/year |
| Combined General Excise Tax (GET) rate | 4.5% |
| Effective property tax rate | 0.3% of value/year |
Local figures are 2026 estimates compiled from the MIT Living Wage Calculator, the C2ER Cost of Living Index, U.S. Census and Zillow housing data, and city and county sources. Verify current figures before relying on them.
With a cost-of-living index of 210 (US average = 100) and average 1-bedroom rent near $2,400/month, a single adult in Kailua typically needs take-home pay of at least $8,450/month to cover needs and save. The MIT living wage for a single adult is about $27.00/hour.
Split after-tax income into 50% needs (housing, food, utilities, transport, minimum debt), 30% wants, and 20% savings and extra debt payoff. In a high-cost city like Kailua, the needs share often runs above 50%, so protect the 20% savings target.
Average rent in Kailua is about $2,400 for a 1-bedroom and $3,000 for a 2-bedroom. A common guideline keeps rent under 30% of gross income, though that is difficult in higher-cost metros.
Based on the local cost-of-living index, typical monthly expenses in Kailua run around $2,400 housing, $575 food, $650 transportation, and $220 utilities for a single person. The calculator is pre-filled with these estimates.
Aim for three to six months of essential expenses. In Kailua, with monthly needs around $4,165, that is roughly $12,495 to $24,990.