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: $2,823 in Boulogne-Billancourt versus $887 in Chang-hua.

Estimated couple costs with rent: $4,139 in Boulogne-Billancourt versus $1,367 in Chang-hua.

Monthly costs for a family of three with rent: $5,454 in Boulogne-Billancourt versus $1,848 in Chang-hua.

Living in Boulogne-Billancourt is roughly 218% more expensive than in Chang-hua, driven mainly by Eating Out.

The two cities straddle the global median: Boulogne-Billancourt is 111% above, Chang-hua is 34% below.

Meal at Budget Restaurant

$17.27 €15.13

$3.77 NT$122

358.09%

Three-Course Dinner for Two, Mid-Range

$71.0 €62.2

$26.71 NT$862

165.67%

Fast Food Meal (McDonalds, etc)

$14.03 €12.29

$5.84 NT$189

140.24%

Cappuccino

$4.59 €4.02

$1.86 NT$60.1

146.77%

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

$4.07 €3.56

$0.91 NT$29.39

347.25%

Water (0.33 liter bottle)

$3.41 €2.99

$0.43 NT$13.85

693.02%

Local Beer (0.5 liter draught)

$7.91 €6.93

$1.44 NT$46.51

449.31%

Imported Beer (0.33 liter bottle)

$5.66 €4.96

$2.08 NT$67.2

172.12%

Milk (1 liter)

$1.44 €1.26

$2.76 NT$89.0

-47.83%

White Bread (500g)

$2.02 €1.77

$1.88 NT$60.6

7.45%

Rice (white) (1kg)

$2.97 €2.60

$3.13 NT$101

-5.11%

Eggs

$3.46 €3.03

$2.79 NT$90.1

24.01%

Local Cheese (1kg)

$21.80 €19.09

$17.71 NT$572

23.09%

Chicken Fillets (1kg)

$12.38 €10.85

$7.81 NT$252

58.51%

Beef Round Steak (1kg)

$23.57 €20.64

$19.98 NT$645

17.97%

Apples (1kg)

$3.57 €3.12

$5.04 NT$163

-29.17%

Banana (1kg)

$2.35 €2.06

$2.97 NT$95.8

-20.88%

Oranges (1kg)

$2.63 €2.30

$2.77 NT$89.4

-5.05%

Tomato (1kg)

$3.59 €3.15

$3.10 NT$100

15.81%

Potato (1kg)

$2.71 €2.38

$2.65 NT$85.4

2.26%

Onion (1kg)

$2.94 €2.58

$2.17 NT$70.2

35.48%

Lettuce (1 head)

$1.82 €1.59

$1.98 NT$63.8

-8.08%

Water (1.5 liter bottle)

$0.71 €0.63

$0.81 NT$26.10

-12.35%

Cigarettes 20 Pack (Marlboro, Camel)

$13.86 €12.14

$4.15 NT$134

233.98%

Wine (Bottle)

$8.92 €7.81

$9.07 NT$293

-1.65%

Local Beer (0.5 liter bottle)

$2.72 €2.39

$1.55 NT$49.97

75.48%

Imported Beer (0.33 liter bottle)

$3.74 €3.28

$2.35 NT$76.0

59.15%

One-way Ticket (Public Transport)

$2.41 €2.11

$1.72 NT$55.5

40.12%

Public Transport Monthly Pass (Regular Price)

$49.13 €43.03

$36.55 NT$1,180

34.42%

Taxi Start (Normal Tariff)

$4.69 €4.11

$2.89 NT$93.4

62.28%

Taxi (Normal Tariff) (1km)

$1.62 €1.42

$0.72 NT$23.40

125.00%

Taxi 1hour Waiting (Normal Tariff)

$55.8 €48.83

$10.29 NT$332

441.89%

Gasoline (1 liter)

$2.07 €1.82

$1.08 NT$34.72

91.67%

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

$36.2K €31.7K

$37.3K NT$1.2M

-3.03%

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

$37.2K €32.5K

$26.9K NT$867.8K

38.21%

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

$252 €221

$34.24 NT$1,105

636.10%

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

$23.38 €20.48

$18.64 NT$602

25.43%

Internet (50+ Mbps, Unlimited Data)

$35.47 €31.06

$19.98 NT$645

77.53%

Gym Membership (Monthly)

$66.7 €58.5

$25.57 NT$825

161.01%

Tennis Court (1 Hour on Weekend)

$18.40 €16.12

$15.29 NT$494

20.34%

Cinema Ticket

$15.88 €13.91

$10.36 NT$334

53.28%

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

$853 €747

$636 NT$20.5K

34.17%

International Primary School, 1 Child (Yearly)

$8,479 €7,426

$8,532 NT$275.4K

-0.62%

Jeans (Levis 501 Or Similar)

$90.8 €79.5

$53.7 NT$1,734

68.97%

Summer Dress (H&M, Zara, etc)

$47.68 €41.76

$16.77 NT$541

184.32%

Sport Shoes (Adidas, Nike)

$98.0 €85.9

$84.5 NT$2,726

16.06%

Men's Leather Business Shoes

$159 €139

$54.8 NT$1,770

189.77%

1-bedroom Apartment, City Center (Monthly)

$1,354 €1,186

$310 NT$10.0K

336.73%

1-bedroom Apartment, Outside City Center (Monthly)

$1,452 €1,272

$184 NT$5,925

690.90%

3-bedroom Apartment, City Center (Monthly)

$2,757 €2,415

$533 NT$17.2K

417.22%

3-bedroom Apartment, Outside City Center (Monthly)

$2,510 €2,198

$187 NT$6,032

1242.68%

Buy Apartment in City Center (m2)

$4,015 €3,517

$2,945 NT$95.0K

36.35%

Buy Apartment Outside City Center (m2)

$3,022 €2,647

$1,608 NT$51.9K

87.99%

Average Monthly Net Salary (After Tax)

$4,284 €3,752

$2,032 NT$65.6K

110.80%

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: July 11, 2026

Last update for Chang-hua: July 13, 2026

Cost Breakdown

A one-bedroom apartment in the center runs $1,354 in Boulogne-Billancourt and $310 in Chang-hua. Housing cost is often the main lever when comparing two cities.

Boulogne-Billancourt pays 111% 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 $388 vs $352 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 218% gap adds up to real monthly savings that compound significantly over time.

Average pay runs 111% higher in Boulogne-Billancourt, 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 $310 in Chang-hua. Housing is usually the single largest factor when comparing overall living costs between the two.

Childcare runs $853 in Boulogne-Billancourt versus $636 in Chang-hua. Over years of preschool, even a modest monthly gap compounds into a major financial factor for families.

Supermarket bills run roughly 10% higher in Boulogne-Billancourt. For households that cook at home regularly, that difference adds up over a month.

At $887 in Chang-hua versus $2,823 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 218% less than in Boulogne-Billancourt. Beyond cost, consider language, visa policies, and how big the international community is in each city.