Tax & Brackets

Compute exact Bonus Depreciation metrics with full schedules and charts.

Compare flat-rate supplemental bonus withholding against your true marginal tax cost, so you can see if you're under- or over-withheld.

Calculate capital gains taxes with 2026 statutory bracket stacking, short vs long term rules, and 3.8% NIIT threshold integration.

Compute exact CRT Tax Deduction metrics with full schedules and charts.

Compute exact CAMT Liability metrics with full schedules and charts.

Compute exact Cost Seg Acceleration metrics with full schedules and charts.

Compute exact Crypto Tax Lot metrics with full schedules and charts.

Compute exact DAF Deduction metrics with full schedules and charts.

Compute exact ESPP Discount metrics with full schedules and charts.

State estate tax on any estate in any of the 50 states, covering the twelve states that levy one, the New York exclusion cliff and the credit-table states, with a national ranking.

Compute exact FBAR Compliance metrics with full schedules and charts.

Accurate 2026 federal tax estimates incorporating progressive brackets, standard deductions, and FICA payroll taxes.

Compute exact FEIE Exclusion metrics with full schedules and charts.

Compute the Form 1116 foreign tax credit, the IRC 904 limitation, and any unused carryover.

Compute GST tax at the flat 40% rate after the annual exclusion and remaining GST exemption.

Compute taxable gifts after the annual exclusion, lifetime exemption used, and any 40% gift tax.

Compute H-1B per-paycheck net pay after federal income tax and full FICA (state tax not included).

Income Tax Calculator (Federal + State + FICA, 2026)

Indonesia Income Tax Calculator (PPh Orang Pribadi, Annual SPT Tahunan)

Indonesia PPh 21 Calculator (TER Monthly Withholding and the December True-Up)

Indonesia VAT (PPN) Calculator -- 12% Rate, 11% Effective, and the 11/12 Nilai Lain Base

Determine whether you owe inheritance tax by selecting the decedent's state and your relationship -- routes to real per-state math for the 5 taxing states, $0 everywhere else.

Compute exact IRS Form 2210 metrics with full schedules and charts.

Compute Reasonable Collection Potential, the minimum acceptable offer, offer-to-debt ratio, and debt forgiven if accepted.

Compute exact ISO Preference Item metrics with full schedules and charts.

Compare LLC self-employment tax against an S-Corp reasonable-salary/distribution split, showing raw and compliance-cost-adjusted SE tax savings.

Compute the bargain element, ordinary income tax and FICA at NSO exercise, capital gains tax at sale, and net cash proceeds.

Net take-home pay per paycheck in any of the 50 states for 2026, after FICA, federal income tax, state income tax and pre-tax deductions, with the state layer ranked against all 50.

Philippines Income Tax Calculator (TRAIN Law Graduated Rates and the 8% Option)

Philippines Withholding Tax Calculator (BIR RR 11-2018 Annex E, Monthly and Semi-Monthly)

Compute the Section 199A QBI deduction with SSTB phase-out, W-2/UBIA limits, and estimated tax savings.

Compute the Section 1202 excludable gain, exclusion cap, and federal tax on any non-excluded gain.

Compute self-employed quarterly estimated tax payments using Schedule SE tax plus income tax against the IRS 90%/100%/110% safe harbor rule and 2026 due dates.

Compare actual tax owed on an RSU vest against employer supplemental withholding and FICA.

Compute exact Entity Optimization metrics with full schedules and charts.

Sales tax on any purchase in any of the 50 states, splitting the statutory state rate from the average local surcharge, with a national ranking and the 50-state average tax on the same purchase.

Saver's Credit Calculator (Retirement Savings Contributions Credit, 2026) - math and vectors complete, content pending.

Compute exact 1031 Deferral metrics with full schedules and charts.

Compute exact Sec 1250 Recapture metrics with full schedules and charts.

Compute exact Sec 179 Expensing metrics with full schedules and charts.

Calculate self-employment taxes incorporating the 92.35% Schedule SE multiplier, 50% AGI deduction, and W-2 wage base offsets.

Singapore Foreigner Tax Calculator 2026 (183-Day Residency, 15% vs Resident Rates, 24% Other Income) - math and vectors complete, content pending.

Singapore GST Calculator 2026 (9% Add, Remove & the S$1M Registration Threshold) - math and vectors complete, content pending.

Singapore Income Tax Calculator 2026 (IRAS Resident Rates, Relief Cap & Rebate) - math and vectors complete, content pending.

Compute exact Residency Domicile metrics with full schedules and charts.

Tax Refund Calculator (2026 Federal Return)

Turkey Income Tax Calculator 2026 (Gelir Vergisi, Wage and Non-Wage Tariffs)

Turkish gross to net salary for 2026 computed month by month on the kumulatif vergi matrahi, so take-home pay falls through the year as the cumulative base climbs the GVK 103 tariff, with SGK premiums clamped between the 33,030 TL floor and the 297,270 TL ceiling.

Turkey VAT (KDV) Calculator -- 20%, 10% and 1% Rates, Plus Devreden KDV Carry-Forward

Estimate annual federal tax liability from 2020+ Form W-4 inputs and compare it against projected per-paycheck withholding, with a suggested Line 4c adjustment.

Widow's Penalty Tax Calculator (Surviving Spouse Filing Status, 2026) - math and vectors complete, content pending.