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International & Expat Tax Calculators

Cross-border tax tools for expats, digital nomads, and global professionals.

Welcome to our International & Expat Tax hub. Whether you are a US citizen living abroad, a digital nomad managing multi-country income, or a global professional navigating double taxation treaties, our tools help you estimate your obligations with confidence. Each guide is built on current tax treaty frameworks, FBAR/FATCA filing thresholds, foreign gift reporting rules, and country-specific non-resident tax rules for 2026. For multi-state income sourcing and apportionment, see our Cross Border & Local Apportionment hub. For pass-through entity and self-employment tax tools, visit our Pass-Through & Self-Employment hub.

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GILTI High Tax Exception Calculator (Form 8992)

Determine if your CFC qualifies for the GILTI High Tax Exception. Interactive calculator with 18.9% threshold check, HTE vs Section 962 comparison, tax savings estimation, country qualification lookup, and downloadable election statement template. Updated for 2026 OBBBA rules.

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IRS Foreign Bank Account Interest Currency Conversion Calculator (2026)

Convert foreign currency interest to USD for IRS reporting. Free calculator uses official Treasury rates for FBAR, Form 8938 & Schedule B with automatic rate selection, multi-form output, and penalty guidance.

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Controlled Foreign Corporation Subpart F De Minimis Calculator

Instantly determine if your CFC qualifies for the Subpart F de minimis exception under IRC §954(b)(3)(A). Enter gross income, FBCI, and insurance income — get PASS/FAIL with full breakdown. Includes currency translation, aggregation rules, and the 70% full inclusion test. Updated for 2026 OBBBA.

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Cross-Border RRSP vs Roth IRA Calculator [2026]

Compare RRSP vs Roth IRA side-by-side for US citizens in Canada. See after-tax retirement income, contribution limits, 15% withholding tax, treaty rules, and break-even analysis. Updated for 2026.

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Subpart F Passive Income Tax Calculator (CFC)

Estimate your Subpart F passive income inclusion for Controlled Foreign Corporations. Interactive calculator with de minimis rule, high-tax exception, look-through rule, E&P limitation, and Form 5471 Schedule I mapping. Updated for 2026 OBBBA rules.

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Delaware City Wage Tax Nonresident Refund [2026]

Confused about your Delaware City wage tax refund? Learn if you're eligible, which form to file (WCWT-5), and how to get your money back fast. Step-by-step guide with calculator.

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FBAR Maximum Balance Tracker [2026] — Spreadsheet + Calculator for FinCEN Form 114

Download the FREE FBAR maximum balance tracker spreadsheet. Calculate peak balances for FinCEN Form 114, convert currencies automatically using official Treasury rates, and know if you hit the $10,000 threshold. Updated for 2026.

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FinCEN Form 114 Maximum Balance Calculator — FBAR Peak Balance

Calculate your FBAR maximum balance instantly. Free FinCEN Form 114 peak balance calculator with multi-currency support, automatic USD conversion using official Treasury exchange rates, and filing requirement check.

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Dual-Status Alien Tax Calculator — Split-Year Tax Liability

Calculate your 2026 dual-status alien tax liability instantly. Handles split-year income, partial-year standard deduction, foreign tax credits, and full-year resident comparison. Follows IRS Publication 519 rules. No sign-up required.

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Form 5471 Category 4 vs Category 5 Filer Tracker [2026]

Confused about Form 5471 Category 4 vs Category 5? Use our free Filer Tracker to determine your status, see required schedules, and avoid $10,000+ IRS penalties. Updated for 2026.

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Form 5472 & Proforma 1120 Calculator — Related Party Transactions

Calculate your Form 5472 related party transaction values, convert foreign currency to USD, estimate $25K penalty exposure, and preview your proforma 1120. Updated for 2026.

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Form 3520 Foreign Gift Threshold Tracker — Track Gifts by Donor

Track foreign gifts by donor with our free Form 3520 threshold calculator. See if you cross the $100K limit or $20,573 corporate threshold, calculate penalties, and get 2026 filing guidance. Per-donor tracking with automatic related-party aggregation.

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Free Form 3520-A Distribution Tracking Calculator

Track foreign trust distributions with our free Form 3520-A tracking calculator. Log cash and property distributions, manage multiple U.S. beneficiaries, calculate year-over-year accumulation, and avoid the 10/20 penalty.

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US Expat FEIE vs. FTC Optimization Engine

Compare FEIE vs FTC side-by-side with our free 2026 optimization calculator. Enter your income and foreign taxes to see which strategy saves you more. Updated for 2026 limits ($132,900).

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Form 1116 Slipover Calculator — Foreign Tax Credit & Carryover

Calculate your Foreign Tax Credit with our free Form 1116 Slipover Calculator. Includes carryover tracker, Schedule B reconciliation, line-by-line Form 1116 mapping, and 2026 tax year updates. No sign-up required.

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NIIT Foreign Tax Credit Optimizer — Claim Your 3.8% Refund

Can you use foreign tax credits against the 3.8% NIIT? Bruyea & Christensen say yes. Estimate your savings, file a protective claim, and optimize your treaty-based strategy for 2026.

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Section 911 Housing Deduction Daily Limit Allocator

Calculate your 2026 foreign housing deduction instantly. Select your country, city, qualifying days, and housing expenses to get your exact IRS Section 911 deduction amount with location-specific caps.

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Foreign Tax Credit Form 1116 Carryforward Calculator

Calculate your Form 1116 foreign tax credit carryforward instantly. Free FTC carryover calculator with 10-year expiration tracking, FIFO ordering, and Schedule B guidance.

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Expat Self-Employment Tax Totalization Agreement Calculator

Find out if you owe U.S. self-employment tax as an expat. Select your country of residence and enter your income to see if a totalization agreement exempts you from the 15.3% SE tax.

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US–Canada Pension Withholding Calculator 2026

Calculate exactly how much tax the US or Canada will withhold from your pension in 2026. Enter your payment amount and type to see your treaty rate (15% / 25% / 0%) plus which forms to file. Covers CPP, OAS, RRSP, 401(k), and Social Security.

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2026 US Exit Tax Calculator

Calculate your 2026 US exit tax instantly. Free calculator for covered expatriates. $910K exclusion, $211K tax test, and Form 8854 guidance. No email required.

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Foreign Pension Tax Treaty Calculator — Estimate Your US Tax Owed

Calculate your US tax on foreign pensions under 68 tax treaties. Select your country, pension type, and income to see treaty exemption vs. Foreign Tax Credit side-by-side. Updated for 2026 tax rates.

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US Expat State Tax Residency Break Diagnostic Calculator

Wondering if you still owe state taxes as an expat? Take our free diagnostic calculator to assess your residency risk, see state-by-state rules, and learn how to break residency legally in 2026.

📅 Law: 2026 Tax Treaties & OECD Guidelines ✍️ Verified by AKCalc Financial Team