Cost of Living Comparison Between Boulogne-Billancourt and Chang-hua Cost of Living Comparison Between Boulogne-Billancourt and Chang-hua

Monthly Cost of Living

Monthly costs for one person with rent: $2,848 in Boulogne-Billancourt versus $904 in Chang-hua.

Estimated couple costs with rent: $4,173 in Boulogne-Billancourt versus $1,361 in Chang-hua.

Monthly costs for a family of three with rent: $5,497 in Boulogne-Billancourt versus $1,819 in Chang-hua.

Living in Boulogne-Billancourt is roughly 215% more expensive than Chang-hua, driven mainly by Eating Out.

The two cities straddle the global median: Boulogne-Billancourt is 113% above, Chang-hua is 33% below.

Meal at Budget Restaurant

$17.02 €14.64

$3.76 NT$118

352.66%

Three-Course Dinner for Two, Mid-Range

$71.2 €61.2

$27.15 NT$855

162.21%

Fast Food Meal (McDonalds, etc)

$13.81 €11.88

$5.64 NT$178

144.86%

Cappuccino

$4.71 €4.06

$1.84 NT$57.8

155.98%

Coke/Pepsi/Fanta/Sprite (0.33 liter bottle)

$4.12 €3.54

$0.88 NT$27.63

368.18%

Water (0.33 liter bottle)

$3.26 €2.80

$0.46 NT$14.54

608.70%

Local Beer (0.5 liter draught)

$8.24 €7.09

$1.45 NT$45.62

468.28%

Imported Beer (0.33 liter bottle)

$5.91 €5.08

$1.98 NT$62.3

198.48%

Milk (1 liter)

$1.39 €1.20

$2.76 NT$86.9

-49.64%

White Bread (500g)

$2.04 €1.75

$1.91 NT$60.1

6.81%

Rice (white) (1kg)

$2.88 €2.47

$3.17 NT$99.9

-9.15%

Eggs

$3.44 €2.96

$2.91 NT$91.7

18.21%

Local Cheese (1kg)

$21.63 €18.60

$17.14 NT$540

26.20%

Chicken Fillets (1kg)

$12.39 €10.66

$7.81 NT$246

58.64%

Beef Round Steak (1kg)

$23.88 €20.54

$20.15 NT$634

18.51%

Apples (1kg)

$3.41 €2.94

$5.22 NT$164

-34.67%

Banana (1kg)

$2.30 €1.98

$2.89 NT$91.1

-20.42%

Oranges (1kg)

$2.69 €2.31

$2.75 NT$86.7

-2.18%

Tomato (1kg)

$3.63 €3.12

$3.23 NT$102

12.38%

Potato (1kg)

$2.72 €2.34

$2.75 NT$86.5

-1.09%

Onion (1kg)

$2.96 €2.54

$2.19 NT$69.0

35.16%

Lettuce (1 head)

$1.81 €1.56

$1.87 NT$59.0

-3.21%

Water (1.5 liter bottle)

$0.66 €0.57

$0.81 NT$25.47

-18.52%

Cigarettes 20 Pack (Marlboro, Camel)

$13.63 €11.72

$3.95 NT$124

245.06%

Wine (Bottle)

$9.19 €7.90

$9.61 NT$302

-4.37%

Local Beer (0.5 liter bottle)

$2.73 €2.35

$1.56 NT$49.26

75.00%

Imported Beer (0.33 liter bottle)

$3.74 €3.22

$2.41 NT$75.8

55.19%

One-way Ticket (Public Transport)

$2.46 €2.11

$1.72 NT$54.0

43.02%

Public Transport Monthly Pass (Regular Price)

$49.73 €42.78

$37.34 NT$1,175

33.18%

Taxi Start (Normal Tariff)

$4.67 €4.02

$2.95 NT$93.0

58.31%

Taxi (Normal Tariff) (1km)

$1.70 €1.46

$0.78 NT$24.68

117.95%

Taxi 1hour Waiting (Normal Tariff)

$54.5 €46.89

$10.29 NT$324

429.74%

Gasoline (1 liter)

$2.17 €1.87

$1.02 NT$32.18

112.75%

Midsize Hatchback 1.4l (Volkswagen Golf, Toyota Prius, Honda Civic, etc)

$35.8K €30.8K

$38.6K NT$1.2M

-7.24%

Compact Sedan 1.6l (Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)

$35.8K €30.8K

$27.5K NT$864.1K

30.33%

Utilities for 2 People in 2-bedroom Apartment (Heating, Electricity, Gas, Water, Garbage) (85m2)

$253 €217

$34.13 NT$1,074

640.38%

SIM Card Monthly Plan (Calls and 10GB+ Data)

$23.29 €20.03

$18.70 NT$589

24.55%

Internet (50+ Mbps, Unlimited Data)

$35.73 €30.73

$20.26 NT$638

76.36%

Gym Membership (Monthly)

$64.6 €55.6

$26.09 NT$821

147.64%

Tennis Court (1 Hour on Weekend)

$18.41 €15.83

$15.35 NT$483

19.93%

Cinema Ticket

$15.81 €13.60

$10.07 NT$317

57.00%

Preschool or Kindergarten, Full Day, Private, 1 Child (Monthly)

$863 €743

$643 NT$20.2K

34.25%

International Primary School, 1 Child (Yearly)

$8,662 €7,451

$8,353 NT$262.9K

3.70%

Jeans (Levis 501 Or Similar)

$94.0 €80.9

$53.8 NT$1,692

74.89%

Summer Dress (H&M, Zara, etc)

$48.23 €41.49

$16.87 NT$531

185.89%

Sport Shoes (Adidas, Nike)

$98.5 €84.7

$84.1 NT$2,647

17.13%

Men's Leather Business Shoes

$158 €136

$53.8 NT$1,692

194.57%

1-bedroom Apartment, City Center (Monthly)

$1,354 €1,165

$312 NT$9,829

333.59%

1-bedroom Apartment, Outside City Center (Monthly)

$1,446 €1,244

$190 NT$5,974

661.78%

3-bedroom Apartment, City Center (Monthly)

$2,742 €2,359

$546 NT$17.2K

401.87%

3-bedroom Apartment, Outside City Center (Monthly)

$2,440 €2,099

$189 NT$5,953

1190.02%

Buy Apartment in City Center (m2)

$4,109 €3,534

$3,014 NT$94.9K

36.31%

Buy Apartment Outside City Center (m2)

$3,193 €2,746

$1,682 NT$52.9K

89.83%

Average Monthly Net Salary (After Tax)

$4,411 €3,795

$2,015 NT$63.4K

118.94%

20-Year Fixed Mortgage Interest Rate (Annual %)

3.62

2.19

65.30%

CityCost data is based on AI and user input – minor inaccuracies may occur.

Last update for Boulogne-Billancourt: May 30, 2026

Last update for Chang-hua: May 30, 2026

Cost Breakdown

A one-bedroom apartment in the center runs $1,354 in Boulogne-Billancourt and $312 in Chang-hua. Housing cost is often the main lever when comparing two cities.

Boulogne-Billancourt pays 119% more on average. The extra income cushions the higher costs, though housing choices and lifestyle decide how much of the gap is truly closed.

Dining out: $71.0 in Boulogne-Billancourt vs $27.00 in Chang-hua for a mid-range dinner for two. Groceries echo the gap at $387 vs $354 per month, with Chang-hua cheaper across the board.

City Median Internet Speeds Comparison (Updated April 2026)

The chart highlights the Precision Threshold for mobile and fixed broadband internet speeds, updated quarterly.

Digital Nomad Cost of Living Index

Boulogne-Billancourt vs Chang-hua: Cost of Living - Frequently Asked Questions

Chang-hua is cheaper overall, especially in Groceries & Markets, Eating Out, Clothing & Footwear, Sport & Entertainment, Getting Around. The 215% gap adds up to real monthly savings that compound significantly over time.

Boulogne-Billancourt pays 119% more on average, which matters when comparing affordability. Whether that higher income actually nets you more depends on your spending habits and housing choices.

Rent for a central apartment: $1,354 in Boulogne-Billancourt versus $312 in Chang-hua. Housing is usually the single largest factor when comparing overall living costs between the two.

Childcare runs $863 in Boulogne-Billancourt versus $643 in Chang-hua. Over years of preschool, even a modest monthly gap compounds into a major financial factor for families.

Supermarket bills run roughly 9% higher in Boulogne-Billancourt. For households that cook at home regularly, that difference adds up over a month.

At $904 in Chang-hua versus $2,848 in Boulogne-Billancourt, a $1,000 budget is realistic in Chang-hua but tight or insufficient in Boulogne-Billancourt. The gap between the two cities makes Chang-hua the clear choice for anyone on this budget.

Both cities offer a good standard of living with different trade-offs. Neither is objectively better – the right pick depends on what matters most: affordability, career, cultural scene, or climate.

Safety-wise, Boulogne-Billancourt and Chang-hua are on par. Petty crime is typical for cities this size, and most residents feel comfortable going about their daily routines in either place.

Expats usually find Chang-hua gentler on the wallet – expenses run 215% less than in Boulogne-Billancourt. Beyond cost, consider language, visa policies, and how big the international community is in each city.