😐Monthly costs for one person with rent: $2,848 in Boulogne-Billancourt versus $866 in Chiang Mai.
😐Estimated couple costs with rent: $4,173 in Boulogne-Billancourt versus $1,351 in Chiang Mai.
😐Monthly costs for a family of three with rent: $5,497 in Boulogne-Billancourt versus $1,835 in Chiang Mai.
😐Living in Boulogne-Billancourt is roughly 229% more expensive than Chiang Mai, driven mainly by Eating Out.
📊The two cities straddle the global median: Boulogne-Billancourt is 113% above, Chiang Mai is 35% below.
Currency
🍽 Eating Out
Boulogne-Billancourt
Chiang Mai
Difference
Meal at Budget Restaurant
$17.02€14.64
$1.94฿63.5
777.32%
Three-Course Dinner for Two, Mid-Range
$71.2€61.2
$18.64฿609
281.92%
Fast Food Meal(McDonalds, etc)
$13.81€11.88
$7.82฿255
76.60%
Cappuccino
$4.71€4.06
$1.95฿63.8
141.54%
Coke/Pepsi/Fanta/Sprite(0.33 liter bottle)
$4.12€3.54
$0.85฿27.77
384.71%
Water(0.33 liter bottle)
$3.26€2.80
$0.35฿11.58
831.43%
Local Beer(0.5 liter draught)
$8.24€7.09
$2.13฿69.6
286.85%
Imported Beer(0.33 liter bottle)
$5.91€5.08
$3.73฿122
58.45%
🛒 Groceries & Markets
Boulogne-Billancourt
Chiang Mai
Difference
Milk(1 liter)
$1.39€1.20
$1.71฿56.0
-18.71%
White Bread(500g)
$2.04€1.75
$1.63฿53.2
25.15%
Rice(white)(1kg)
$2.88€2.47
$1.14฿37.15
152.63%
Eggs
$3.44€2.96
$1.93฿63.1
78.24%
Local Cheese(1kg)
$21.63€18.60
$16.21฿530
33.44%
Chicken Fillets(1kg)
$12.39€10.66
$3.12฿102
297.12%
Beef Round Steak(1kg)
$23.88€20.54
$10.90฿356
119.08%
Apples(1kg)
$3.41€2.94
$2.75฿90.0
24.00%
Banana(1kg)
$2.30€1.98
$1.21฿39.52
90.08%
Oranges(1kg)
$2.69€2.31
$1.62฿53.0
66.05%
Tomato(1kg)
$3.63€3.12
$1.59฿51.8
128.30%
Potato(1kg)
$2.72€2.34
$1.40฿45.70
94.29%
Onion(1kg)
$2.96€2.54
$1.17฿38.17
152.99%
Lettuce(1 head)
$1.81€1.56
$0.66฿21.60
174.24%
Water(1.5 liter bottle)
$0.66€0.57
$0.53฿17.22
24.53%
Cigarettes 20 Pack(Marlboro, Camel)
$13.63€11.72
$4.69฿153
190.62%
Wine(Bottle)
$9.19€7.90
$18.66฿609
-50.75%
Local Beer(0.5 liter bottle)
$2.73€2.35
$1.80฿58.8
51.67%
Imported Beer(0.33 liter bottle)
$3.74€3.22
$3.23฿106
15.79%
🚌 Getting Around
Boulogne-Billancourt
Chiang Mai
Difference
One-way Ticket(Public Transport)
$2.46€2.11
$0.90฿29.26
173.33%
Public Transport Monthly Pass(Regular Price)
$49.73€42.78
$19.21฿628
158.88%
Taxi Start(Normal Tariff)
$4.67€4.02
$1.41฿45.91
231.21%
Taxi(Normal Tariff)(1km)
$1.70€1.46
$1.29฿42.12
31.78%
Taxi 1hour Waiting(Normal Tariff)
$54.5€46.89
$7.84฿256
595.28%
Gasoline(1 liter)
$2.17€1.87
$1.27฿41.58
70.87%
Midsize Hatchback 1.4l(Volkswagen Golf, Toyota Prius, Honda Civic, etc)
$35.8K€30.8K
$21.3K฿694.9K
68.14%
Compact Sedan 1.6l(Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)
$35.8K€30.8K
$22.2K฿725.4K
61.06%
🧾 Monthly Utilities & Internet
Boulogne-Billancourt
Chiang Mai
Difference
Utilities for 2 People in 2-bedroom Apartment(Heating, Electricity, Gas, Water, Garbage)(85m2)
$253€217
$69.1฿2,256
265.85%
SIM Card Monthly Plan(Calls and 10GB+ Data)
$23.29€20.03
$14.08฿460
65.41%
Internet(50+ Mbps, Unlimited Data)
$35.73€30.73
$18.00฿588
98.50%
🎉 Sport & Entertainment
Boulogne-Billancourt
Chiang Mai
Difference
Gym Membership(Monthly)
$64.6€55.6
$41.06฿1,341
57.36%
Tennis Court(1 Hour on Weekend)
$18.41€15.83
$6.96฿227
164.51%
Cinema Ticket
$15.81€13.60
$5.92฿193
167.06%
🧸 Childcare & Education
Boulogne-Billancourt
Chiang Mai
Difference
Preschool or Kindergarten, Full Day, Private, 1 Child(Monthly)
$863€743
$299฿9,766
188.75%
International Primary School, 1 Child(Yearly)
$8,662€7,451
$15.0K฿488.3K
-42.07%
👕👟 Clothing & Footwear
Boulogne-Billancourt
Chiang Mai
Difference
Jeans(Levis 501 Or Similar)
$94.0€80.9
$54.7฿1,787
71.92%
Summer Dress(H&M, Zara, etc)
$48.23€41.49
$26.77฿874
80.16%
Sport Shoes(Adidas, Nike)
$98.5€84.7
$85.0฿2,776
15.87%
Men's Leather Business Shoes
$158€136
$70.6฿2,306
124.26%
🏠 Accommodation & Living
Boulogne-Billancourt
Chiang Mai
Difference
1-bedroom Apartment, City Center(Monthly)
$1,354€1,165
$428฿14.0K
216.22%
1-bedroom Apartment, Outside City Center(Monthly)
$1,446€1,244
$237฿7,752
509.19%
3-bedroom Apartment, City Center(Monthly)
$2,742€2,359
$801฿26.2K
242.21%
3-bedroom Apartment, Outside City Center(Monthly)
$2,440€2,099
$515฿16.8K
373.29%
Buy Apartment in City Center(m2)
$4,109€3,534
$1,975฿64.5K
108.08%
Buy Apartment Outside City Center(m2)
$3,193€2,746
$1,475฿48.2K
116.45%
💵 Salaries & Financials
Boulogne-Billancourt
Chiang Mai
Difference
Average Monthly Net Salary(After Tax)
$4,411€3,795
$617฿20.2K
614.45%
20-Year Fixed Mortgage Interest Rate(Annual %)
3.62
5
-27.60%
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Boulogne-Billancourt: May 30, 2026
Last update for Chiang Mai: May 31, 2026
Cost Breakdown
🏠A one-bedroom apartment in the center runs $1,354 in Boulogne-Billancourt and $428 in Chiang Mai. Housing cost is often the main lever when comparing two cities.
💰Boulogne-Billancourt pays 614% 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 $19.00 in Chiang Mai for a mid-range dinner for two. Groceries echo the gap at $387 vs $246 per month, with Chiang Mai 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 Chiang Mai: Cost of Living - Frequently Asked Questions
Is Chiang Mai cheaper than Boulogne-Billancourt?
Chiang Mai is cheaper overall, especially in Groceries & Markets, Eating Out, Clothing & Footwear, Sport & Entertainment, Getting Around. The 229% gap adds up to real monthly savings that compound significantly over time.
Where can you earn more: Boulogne-Billancourt or Chiang Mai?
Boulogne-Billancourt pays 614% more on average, which matters when comparing affordability. Whether that higher income actually nets you more depends on your spending habits and housing choices.
What is the rent difference between Boulogne-Billancourt and Chiang Mai?
Rent for a central apartment: $1,354 in Boulogne-Billancourt versus $428 in Chiang Mai. Housing is usually the single largest factor when comparing overall living costs between the two.
Which city has cheaper kindergarten?
Childcare runs $863 in Boulogne-Billancourt versus $299 in Chiang Mai. Over years of preschool, even a modest monthly gap compounds into a major financial factor for families.
How do food prices compare in Boulogne-Billancourt and Chiang Mai?
Supermarket bills run roughly 57% higher in Boulogne-Billancourt. For households that cook at home regularly, that difference adds up over a month.
Is $1,000 a realistic budget for Boulogne-Billancourt or Chiang Mai?
At $866 in Chiang Mai versus $2,848 in Boulogne-Billancourt, a $1,000 budget is realistic in Chiang Mai but tight or insufficient in Boulogne-Billancourt. The gap between the two cities makes Chiang Mai the clear choice for anyone on this budget.
Is Boulogne-Billancourt or Chiang Mai more family-friendly?
For families, Chiang Mai is more practical. Housing and childcare are both notably cheaper than in Boulogne-Billancourt, and the savings on those two alone free up budget for education, activities, and family trips.
Which city is safer, Boulogne-Billancourt or Chiang Mai?
Safety-wise, Boulogne-Billancourt and Chiang Mai are on par. Petty crime is typical for cities this size, and most residents feel comfortable going about their daily routines in either place.
Which city is easier to live in as a foreigner?
Expats usually find Chiang Mai gentler on the wallet – expenses run 229% less than in Boulogne-Billancourt. Beyond cost, consider language, visa policies, and how big the international community is in each city.
Boulogne-Billancourt vs other spots: cost of living compared