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Precision Tools & Original Explaners

Calculators that respect how much the answer matters.

GE3 builds premium, hand-crafted calculators for the financial and legal decisions that change a life — veterans benefits, federal retirement, estate settlement, immigration, and personal finance. Every tool is grounded in the official rulebooks, then explained in plain English.

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Sample Output · VA Disability

Combined rating estimate

PTSD70%
Lumbar spine20%
Tinnitus10%
Right knee10%
Bilateral factorApplied
Combined rating 90%

Computed with the VA combined-ratings table and rounded to the nearest 10% per 38 U.S.C. § 1114.

Grounded in law

Every formula traces back to the statute, regulation, or agency handbook that defines it.

Original writing

Articles are written from scratch by our editorial team — never scraped, never spun.

Always current

2025 and 2026 rates, contribution limits, and absence thresholds — reviewed monthly.

Private by design

All calculations run in your browser. Nothing you enter is sent to a server.

The Toolkit

Calculators for every major decision

Twelve hand-built tools across seven categories. Each one ships with a deep-dive article that explains the underlying rule.

Veterans Benefits

VA Combined Disability Rating Calculator

Calculate your combined VA disability rating using the official VA combined-ratings table (38 U.S.C. § 1114). Supports bilateral factor, multiple conditions, and final percentage rounding.

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Federal Employee Retirement

FERS Pension Calculator

Estimate your FERS basic annuity using the High-3 average, years of credible service, and the 1.0% / 1.1% multiplier. Includes FERS-RAE and FERS-FRAE options.

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Estate & Probate

Probate Fee Calculator by State

Estimate probate fees and timeline for any U.S. state using state-specific statutory fee schedules (CA, FL, TX, NY, and 46 more).

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UK Immigration

UK Indefinite Leave to Remain Calculator

Track your continuous residence for UK ILR under the 5-year, 3-year (spouse), and 10-year routes. Flags 180-day absences and total absence limits.

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US Immigration

US Citizenship Physical Presence Calculator

Count your days physically present in the United States for naturalization (N-400). Supports the 5-year (30 months) and 3-year (18 months) rules.

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Retirement & Social Security

Social Security Retirement Benefit Calculator

Estimate your Social Security retirement benefit at ages 62, FRA, and 70 using your PIA, AIME, and bend-point formulas.

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Retirement & Social Security

SSDI Benefit Calculator

Project your Social Security Disability Insurance (SSDI) monthly payment based on your earnings record and SGA limits.

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Veterans Benefits

VA Pension & Aid and Attendance Calculator

Estimate your VA pension and Aid & Attendance benefit under the MAPR limits, including IVAP and dependents adjustments.

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Tax & Family

Mortgage Payoff Calculator

See how extra payments shorten your mortgage and cut total interest. Compare biweekly, lump-sum, and monthly overpayment strategies.

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Tax & Family

Child Tax Credit Calculator

Calculate your 2025 Child Tax Credit (CTC) and Additional Child Tax Credit (ACTC) refundable portion, including phase-out thresholds.

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Retirement & Social Security

Required Minimum Distribution (RMD) Calculator

Compute your required minimum distribution from traditional IRAs and 401(k)s using the IRS Uniform Lifetime Table and SECURE 2.0 age rules.

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Retirement & Social Security

401(k) Contribution Calculator

Model your 401(k) growth with employer match, catch-up contributions, and tax savings using 2025 IRS contribution limits.

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Browse by Topic

Seven categories. One source of truth.

Each category groups calculators and explainers around the same body of law, so you can move between a quick estimate and a deep read without changing context.

Veterans Benefits

Veterans Benefits

VA disability ratings, pensions, and Aid & Attendance benefits calculators built around the VA's official combined-ratings table.

Federal Employee Retirement

Federal Employee Retirement

FERS pension projections, TSP growth scenarios, and CSRS comparisons for federal employees planning retirement.

Estate & Probate

Estate & Probate

State-by-state probate fee and timeline estimators, plus inheritance tax and estate tax calculators.

UK Immigration

UK Immigration

Continuous-residence trackers for UK Indefinite Leave to Remain under the 5-year and 3-year routes.

US Immigration

US Immigration

Naturalization physical-presence calculators, visa bulletin tracking helpers, and citizenship timelines.

Retirement & Social Security

Retirement & Social Security

Social Security benefit estimators, Medicare IRMAA calculators, RMD calculators, and 401(k) contribution planners.

Tax & Family

Tax & Family

Child Tax Credit calculators, federal tax bracket estimators, and mortgage payoff planners.

From the Editorial Desk

Latest explainers

Long-form articles that complement every calculator — written for humans, not search engines.

All articles
V
Veterans Benefits 12 min read

VA Disability Ratings Explained: From Claim to Combined Rating

A walk-through of how the VA assigns disability ratings, what the combined-ratings table actually does, and why 30% + 30% does not equal 60%.

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$
Veterans Benefits 9 min read

VA Disability Compensation Rates: 2025 Monthly Pay by Rating

Current VA compensation tables broken down by rating percentage, dependents, and special monthly compensation (SMC) tiers.

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A
Veterans Benefits 11 min read

How to Appeal a VA Claim Decision: AMA Pathways Compared

The Appeals Modernization Act gave veterans three lanes: higher-level review, supplemental claim, and Board appeal. Here is how to choose.

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P
Veterans Benefits 8 min read

VA Pension vs VA Disability: Which One Are You Eligible For?

These two programs sound alike but have opposite eligibility rules. We clarify wartime service, income limits, and disability requirements.

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A
Veterans Benefits 10 min read

VA Aid and Attendance: Eligibility, MAPR Limits, and Application Steps

How the Aid and Attendance benefit layers on top of VA pension, plus the 2025 MAPR figures and IVAP income test.

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F
Federal Retirement 14 min read

FERS Retirement: The Complete Federal Employee Guide

Everything a federal employee needs to plan FERS retirement: High-3, multipliers, FERS-RAE/FRAE, the annuity supplement, and TSP coordination.

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Built different

Numbers you can plan around.

Stop guessing at benefits, taxes, and timelines. Pick a calculator, enter your situation, and get an answer grounded in the actual rule — not a marketing approximation.