Last update: Oct 2026

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

For one person, living is cheaper in Chang-hua: $864 a month against $2,673 in Boulogne-Billancourt, rent and utilities included – about $21,700 less a year. Rent and utilities account for most of the difference.

131

Cost of Living Index in Boulogne-Billancourt
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Boulogne-Billancourt Living Index
42

Cost of Living Index in Chang-hua
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Chang-hua Living Index

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Boulogne-Billancourt

🇫🇷 France

$2,673

/mo nomad

Chang-hua

🇹🇼 Taiwan

$864

/mo nomad

Monthly Cost of Living

How much you'll spend in Boulogne-Billancourt and in Chang-hua

Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Boulogne-Billancourt and in Chang-hua actually costs, broken down by who's living it.

Monthly costs for one person with rent: $2,673 in Boulogne-Billancourt versus $864 in Chang-hua.

Boulogne-Billancourt $2,673
Chang-hua $864

Estimated couple costs with rent: $3,893 in Boulogne-Billancourt versus $1,343 in Chang-hua.

Boulogne-Billancourt $3,893
Chang-hua $1,343

Monthly costs for a family of three with rent: $5,113 in Boulogne-Billancourt versus $1,822 in Chang-hua.

Boulogne-Billancourt $5,113
Chang-hua $1,822

Living in Boulogne-Billancourt is roughly 209% more expensive than in Chang-hua, and outside of rent the biggest gap is in eating out.

The two cities straddle the global median: Boulogne-Billancourt is 98% above, Chang-hua is 36% below.

Meal at Budget Restaurant

$16.67 €14.83

$3.83 NT$124

335.25%

Three-Course Dinner for Two, Mid-Range

$56.6 €50.4

$32.76 NT$1,062

72.80%

Fast Food Meal (McDonalds, etc)

$13.63 €12.13

$5.53 NT$179

146.47%

Cappuccino

$5.19 €4.62

$1.63 NT$52.7

218.40%

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

$4.56 €4.05

$0.96 NT$30.99

375.00%

Water (0.33 liter bottle)

$2.71 €2.41

$0.56 NT$18.01

383.93%

Local Beer (0.5 liter draught)

$7.84 €6.98

$1.36 NT$44.21

476.47%

Imported Beer (0.33 liter bottle)

$5.44 €4.84

$2.17 NT$70.3

150.69%

Milk (1 liter)

$1.33 €1.18

$2.38 NT$77.1

-44.12%

White Bread (500g)

$2.25 €2.00

$2.07 NT$67.2

8.70%

Rice (white) (1kg)

$2.74 €2.44

$2.94 NT$95.5

-6.80%

Eggs

$3.84 €3.42

$2.76 NT$89.5

39.13%

Local Cheese (1kg)

$16.64 €14.80

$16.19 NT$525

2.78%

Chicken Fillets (1kg)

$11.65 €10.36

$9.51 NT$308

22.50%

Beef Round Steak (1kg)

$20.31 €18.07

$21.23 NT$688

-4.33%

Apples (1kg)

$3.25 €2.89

$4.82 NT$156

-32.57%

Banana (1kg)

$2.16 €1.92

$3.38 NT$110

-36.09%

Oranges (1kg)

$2.24 €1.99

$2.93 NT$95.1

-23.55%

Tomato (1kg)

$4.25 €3.78

$3.17 NT$103

34.07%

Potato (1kg)

$1.82 €1.62

$2.77 NT$89.8

-34.30%

Onion (1kg)

$2.19 €1.94

$2.11 NT$68.4

3.79%

Lettuce (1 head)

$1.79 €1.59

$1.69 NT$54.9

5.92%

Water (1.5 liter bottle)

$0.66 €0.59

$0.77 NT$24.97

-14.29%

Cigarettes 20 Pack (Marlboro, Camel)

$13.02 €11.58

$3.96 NT$128

228.79%

Wine (Bottle)

$8.90 €7.92

$9.43 NT$306

-5.62%

Local Beer (0.5 liter bottle)

$0.93 €0.83

$1.38 NT$44.70

-32.61%

Imported Beer (0.33 liter bottle)

$1.61 €1.43

$2.29 NT$74.4

-29.69%

One-way Ticket (Public Transport)

$2.29 €2.04

$1.55 NT$50.4

47.74%

Public Transport Monthly Pass (Regular Price)

$47.66 €42.40

$34.80 NT$1,129

36.95%

Taxi Start (Normal Tariff)

$2.19 €1.95

$2.65 NT$85.9

-17.36%

Taxi (Normal Tariff) (1km)

$1.11 €0.99

$0.76 NT$24.71

46.05%

Taxi 1hour Waiting (Normal Tariff)

$32.47 €28.88

$9.29 NT$301

249.52%

Gasoline (1 liter)

$2.17 €1.93

$1.06 NT$34.39

104.72%

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

$34.5K €30.7K

$33.1K NT$1.1M

4.17%

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

$35.1K €31.2K

$24.3K NT$787.5K

44.56%

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

$248 €221

$31.62 NT$1,025

684.76%

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

$22.14 €19.70

$16.99 NT$551

30.31%

Internet (50+ Mbps, Unlimited Data)

$32.28 €28.71

$18.71 NT$607

72.53%

Gym Membership (Monthly)

$34.94 €31.08

$31.75 NT$1,029

10.05%

Tennis Court (1 Hour on Weekend)

$22.49 €20.01

Cinema Ticket

$14.46 €12.86

$9.38 NT$304

54.16%

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

$835 €743

$636 NT$20.6K

31.25%

International Primary School, 1 Child (Yearly)

$9,936 €8,838

$7,946 NT$257.7K

25.05%

Jeans (Levis 501 Or Similar)

$109 €96.9

$49.35 NT$1,600

120.65%

Summer Dress (H&M, Zara, etc)

$45.48 €40.45

$15.47 NT$502

193.99%

Sport Shoes (Adidas, Nike)

$102 €91.0

$78.1 NT$2,534

30.96%

Men's Leather Business Shoes

$159 €141

$49.57 NT$1,607

220.64%

1-bedroom Apartment, City Center (Monthly)

$1,323 €1,177

$252 NT$8,160

425.85%

1-bedroom Apartment, Outside City Center (Monthly)

$1,398 €1,244

$170 NT$5,528

720.30%

3-bedroom Apartment, City Center (Monthly)

$2,710 €2,411

$509 NT$16.5K

432.73%

3-bedroom Apartment, Outside City Center (Monthly)

$2,374 €2,111

$169 NT$5,480

1304.66%

Buy Apartment in City Center (m2)

$3,857 €3,431

$2,959 NT$96.0K

30.34%

Buy Apartment Outside City Center (m2)

$2,984 €2,654

$1,631 NT$52.9K

82.97%

Average Monthly Net Salary (After Tax)

$4,221 €3,754

$2,011 NT$65.2K

109.90%

20-Year Fixed Mortgage Interest Rate (Annual %)

3.9

2.2

77.27%

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

Last update for Boulogne-Billancourt: October 12, 2026

Last update for Chang-hua: October 12, 2026

Monthly budget structure

Share of the monthly basket for one person, rent included.

Accommodation & Living

Boulogne-Billancourt

$1.4K 52.3%

Chang-hua

$170 19.7% 87.8% $1.2K

Groceries & Markets

Boulogne-Billancourt

$341 12.8%

Chang-hua

$358 41.4% 4.9% $17

Eating Out

Boulogne-Billancourt

$316 11.8%

Chang-hua

$84 9.7% 73.4% $232

Monthly Utilities & Internet

Boulogne-Billancourt

$303 11.3%

Chang-hua

$67 7.8% 77.7% $235

Clothing & Footwear

Boulogne-Billancourt

$187 7%

Chang-hua

$87 10% 53.7% $100

Getting Around

Boulogne-Billancourt

$65 2.4%

Chang-hua

$47 5.5% 26.4% $17

Sport & Entertainment

Boulogne-Billancourt

$64 2.4%

Chang-hua

$51 5.8% 20.9% $13

Cost Breakdown

A one-bedroom apartment in the center runs $1,323 in Boulogne-Billancourt and $252 in Chang-hua. Housing cost is often the main lever when comparing two cities.

Boulogne-Billancourt pays 110% 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: $57.0 in Boulogne-Billancourt vs $33.00 in Chang-hua. Groceries flip the comparison at $341 vs $358, with Boulogne-Billancourt cheaper for home cooking.

Good to know

🇫🇷 Boulogne-Billancourt

🇹🇼 Chang-hua

🕒 Local time

03:46 3:46 AM

09:46 9:46 AM

6 h ahead of Boulogne-Billancourt

🌤 Weather

👥 Population

119,808

226,564

💱 Currency

Euro EUR €

New Taiwan Dollar TWD NT$

📈 Exchange rate

1 EUR = 1.12 USD

100 TWD = 3.08 USD

100 TWD = 2.74 EUR

Exchange rates and currency converter

TWD, USD to EUR – Euro Converter

🇺🇸 United States Dollar ($)

🇪🇺 Euro (€)

Euro exchange rates as of October 19, 2026: 1 USD = 0.889 EUR (1 EUR = 1.12 USD).

New Taiwan Dollar exchange rates as of October 19, 2026: 1 USD = 32.43 TWD (100 TWD = 3.08 USD). 1 EUR = 36.46 TWD (100 TWD = 2.74 EUR).

USD to EUR in detail →

On the map

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Between locations

Boulogne-Billancourt Chang-hua 9,870 km ≈ 13 h nonstop flight

From you

Boulogne-Billancourt
Chang-hua

Distances are measured in a straight line. Your location is detected approximately.

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 eating out, clothing, and transport. The 209% gap adds up to real monthly savings that compound significantly over time.

Average pay runs 110% 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: $1,323 in Boulogne-Billancourt versus $252 in Chang-hua. Housing is usually the single largest factor when comparing overall living costs between the two.

Childcare runs $835 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.

Shoppers in Boulogne-Billancourt pay roughly 5% less for everyday groceries. It's an unusual reversal that partly offsets higher costs elsewhere.

At $864 in Chang-hua versus $2,673 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 209% less than in Boulogne-Billancourt. Beyond cost, consider language, visa policies, and how big the international community is in each city.