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Calculate savings from splitting your year between two countries. See the optimal home/abroad split for your budget and lifestyle.
Powered by our cost, tax & visa modeling · methodology
Data last updated: March 2026
Quick answer
The WhereNext Dual Life Optimizer models a split-year lifestyle: pick a home country and a destination, set how many months you spend in each (4/8, 6/6, 9/3 — any ratio), and instantly see blended annual cost versus staying put. The tool layers in dual rent or short-term housing premium (~25% above long-stay rent), flights × number of trips, healthcare coverage gaps (Medicare doesn't work abroad; some EU public systems require continuous residency), and tax-residency triggers (Schengen 90/180 rule, 183-day tax thresholds). Output: total annual cost split, savings vs single-base lifestyle, visa/tax compliance flags.
Key facts
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More people than ever are splitting their year between two countries — spending winters in Thailand, summers in Portugal, or alternating months between the US and Mexico. The financial upside can be enormous, but the math is surprisingly complex: you need to account for dual rent, flights, visa day-limits, healthcare gaps, and tax residency triggers.
This dual-life cost calculator models the full picture. Pick your home country and a destination, set how many months you spend in each, and instantly see your blended annual cost versus staying put. It flags Schengen 90-day limits, healthcare coverage gaps, and shows you the exact split that maximizes savings without breaking visa rules.
Planning a European split? Read our EU 90/90 split-year living guide for Schengen timing rules, tax residency triggers, and the best country combinations.
Cost blending assumes proportional monthly spending. Does not account for dual-rent overlap, flights, or tax residency triggers from split-year arrangements.
The Dual Life Planner helps you design a split-year lifestyle between two countries. It calculates optimal time splits based on visa limits, climate seasons, and cost savings across your chosen pair of countries.
Yes, many expats split their time between countries within tourist visa limits (typically 90-180 days). The planner respects visa duration limits and flags when you'd need a longer-stay visa for your planned schedule.
By spending high-cost months in a cheaper country, many expats save 20-40% annually. The planner shows month-by-month cost projections so you can see exactly where the savings come from.