Tax Calculator

Paycheck Tax Calculator

Back to calculator
US relocation · 2026

Montana flagMontana → California flagCalifornia

At $100,000 gross, you’d need about $173,684 in California to match Montana purchasing power — and same-gross take-home shifts by −$1,597/year.

By Sammy S. · Founder · AuthorUpdated for 2026

Stronger purchasing power

Montana leads

COL index moves +34.6 from Montana (105.9) to California (140.5). Median household income delta: +$24,700 (68,800 USD → 93,500 USD). At $100,000 gross (Billings → San Francisco): equivalent salary ~$173,684; same-gross take-home −$1,597/year.

Side-by-side state scoreboard

Montana

94

Purchasing power index · 100 = national avg

COL index
105.9
Median income
68,800 USD
Sales tax
~0%
Property tax
~0.61%
Income tax
Taxed
$100k take-home
$74,391
Montana calculator →

California

71

Purchasing power index · 100 = national avg

COL index
140.5
Median income
93,500 USD
Sales tax
~9.03%
Property tax
~0.7%
Income tax
Taxed
$100k take-home
$72,794
California calculator →

$100k example: Billings → San Francisco

Single filer, tax year 2026. Equivalent salary adjusts for city cost of living; take-home uses our federal + state + payroll engine.

Equivalent gross needed

$173,684

+73.7% vs current

Take-home in Billings

$74,391

Take-home in San Francisco (same gross)

$72,794

Same-gross delta

−$1,597

1BR rent: $950/mo → $3,550/mo
Personalize this city pair

Housing: Billings → San Francisco

Approximate median monthly rents for the primary metros in Montana and California. Negative delta means housing is cheaper in San Francisco. Figures are planning estimates — neighborhoods vary.

1BR rent delta / yr

+$31,200

1BR % of $100k (Billings)

11.4%

$950/mo

1BR % of $100k (San Francisco)

42.6%

$3,550/mo

Property tax (effective)

~0.61% → ~0.7%

Montana → California

At COL-equivalent salary in San Francisco, 1BR rent is about 24.5% of gross — vs 42.6% if you keep $100,000 gross.

Apartment rent (monthly)

SizeBillingsSan FranciscoDelta / mo
Studio$780$2,800+$2,020
1 bedroom$950$3,550+$2,600
2 bedroom$1,180$4,800+$3,620
3 bedroom$1,480$6,200+$4,720

House rent (monthly)

SizeBillingsSan FranciscoDelta / mo
2 bedroom$1,280$4,500+$3,220
3 bedroom$1,580$6,000+$4,420
4 bedroom$1,980$7,800+$5,820

Buy instead? Est. mortgage (3BR house)

Billings payment

$1,816/mo

San Francisco payment

$6,898/mo

Payment delta

+$5,081

Est. purchase price

$341,280 → $1,296,000

Illustrative P&I only: 20% down, 7% APR, 30-year fixed. Price ≈ annual rent × 18 (price-to-rent). Taxes, insurance, and HOA not included — open the calculator Housing section to adjust.

Sources: approximate metro medians (Zillow / Zumper-style US benchmarks; CMHC-style for Canada). Property tax rates are statewide effective averages. Personalize unit size, rent vs buy, and down payment in the relocation calculator.

Model housing for Billings → San Francisco

City-to-city comparisons

Run the calculator for Montana → California

Equivalent salary and after-tax take-home need specific metros. Pick a pair to pre-fill the relocation calculator, or open it blank.

Open salary calculator

Related tools

Dig into taxes, rank all states, or flip the move direction.

Estimates for planning only. Cost-of-living indices and tax rules change; verify with local sources or a professional before relocating.