Can You Afford to Live in Cambridge on $100,000?
✅ Yes, Comfortably
Yes — $100K provides a comfortable lifestyle in Cambridge with room to save.
Monthly After Tax
$6,000
Total Expenses
$790
Remaining
$5,210
Savings Rate
87%
Monthly Budget Breakdown
| Expense | Monthly Cost | % of Income | Share |
|---|---|---|---|
| Rent (1BR avg) | $334 | 6% | |
| Groceries | $59 | 1% | |
| Utilities | $35 | 1% | |
| Transportation | $48 | 1% | |
| Car Insurance | $247 | 4% | |
| Health Insurance | $67 | 1% | |
| Total Expenses | $790 | 13% | |
| Remaining (Savings + Discretionary) | $5,210 | 87% |
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Frequently Asked Questions
How is the budget calculated?
We start with the gross salary ($100,000), subtract estimated federal and MA state taxes (effective rate ~28%), then allocate expenses based on BLS Consumer Expenditure Survey proportions adjusted by Cambridge's cost-of-living index (168).
What's not included in the budget?
This budget covers major fixed expenses: rent, groceries, utilities, transportation, car insurance, and health insurance. It does NOT include: dining out, entertainment, clothing, student loans, childcare, savings contributions, or other discretionary spending. The "remaining" amount covers all of these.