NorthCalc

Financial Planning Guides

Practical tax, budgeting, and investment articles for Americans and Canadians.

US Tax9 min read · 2026-11-07

Roth IRA Contribution Limits 2026: the $7,500 Limit and the Income Phase-Outs

The IRS raised the 2026 IRA contribution limit to $7,500 ($8,600 at age 50+) under Notice 2025-67. See the 2026 vs 2025 Roth IRA income phase-out tables for single and married filers, how MAGI is calculated, the backdoor Roth and the pro-rata rule, the April 15, 2027 deadline, and the 6% excess-contribution tax.

US Tax9 min read · 2026-10-31

2026 HSA Contribution Limits: $4,400 / $8,750, HDHP Thresholds, and the Open-Enrollment Checklist

The IRS set the 2026 HSA limit at $4,400 for self-only coverage and $8,750 for family coverage under Revenue Procedure 2025-19, with a $1,000 catch-up at age 55+. See the full 2026 vs 2025 table, the HDHP thresholds, the per-paycheck math, and the mistakes that trigger the 6% excess-contribution tax.

Investing9 min read · 2026-10-24

2026 401(k) Contribution Limits: $24,500, Catch-Ups, and the Paycheck Math

The IRS raised the 2026 401(k) elective deferral limit to $24,500 ($32,500 at age 50+, $35,750 at ages 60–63) under Notice 2025-67. See the full 2026 vs 2025 table, what counts toward each limit, the Roth catch-up rule, and the per-paycheck math at three salaries.

US Tax8 min read · 2026-10-17

2026 Federal Income Tax Brackets: The Inflation Adjustment and What It Means for Your Paycheck

The IRS raised every 2026 bracket threshold — see the full single and married-filing-jointly tables, the $16,100/$32,200 standard deduction, 2025 comparisons, and a worked $95,000 paycheck example.

Investing9 min read · 2026-10-13

Roth IRA vs Traditional IRA in 2026: Which One Actually Saves You More?

Roth IRA vs Traditional IRA in 2026: compare 2026 IRS contribution limits, income phase-out ranges, and tax treatment, with worked examples showing when each account saves you more.

Canada Tax8 min read · 2026-10-06

FHSA vs RRSP for First-Time Home Buyers in Canada (2025–2026)

The FHSA gives first-time buyers an $8,000/year deduction plus tax-free withdrawals — with no repayment. Compare it to the RRSP Home Buyers' Plan and learn how to use both together.

US Tax8 min read · 2026-10-01

HSA Triple Tax Advantage Explained: 2025 Limits and Rules

The HSA is the only triple-tax-advantaged account: tax-deductible contributions, tax-free growth, tax-free medical withdrawals. 2025 limits, HDHP rules, and the invest-and-shoebox strategy.

Investing8 min read · 2026-09-29

Roth IRA Contribution Limits and Income Phaseouts (2025–2026)

Roth IRA limits for 2025: $7,000 under age 50, $8,000 if 50+. See the full income phaseout tables for single and married filers, plus backdoor Roth rules.

US Tax7 min read · 2026-09-26

2025 Tax Filing Checklist: What to Double-Check Before the Extension Deadline

Filing your 2025 taxes on extension? Run through the 2025 standard deduction, brackets, and contribution limits — plus the state-level gotchas most people miss — before October 15.

US Tax6 min read · 2026-07-27

Marginal vs Effective Tax Rate: Why Your Tax Bracket Isn't What You Actually Pay

Being "in the 24% bracket" does not mean you pay 24% of your income in tax. See the real math behind marginal brackets and your true effective tax rate.

Canada Tax6 min read · 2026-07-27

OAS Clawback Explained: How to Avoid Losing Your Old Age Security in 2025

Earn too much in retirement and Canada claws back your OAS pension. See the 2025 income thresholds, the 15% recovery tax formula, and ways to reduce it.

Investing7 min read · 2026-07-27

How Much Do You Need to Retire? The 25x Rule and 4% Withdrawal Rate Explained

The 4% rule turns your annual spending into a retirement number. Walk through the 25x math, real dollar examples, and why sequence-of-returns risk matters.

US Tax7 min read · 2026-06-24

10 Easy Ways to Reduce Your Taxable Income in the US (2025)

Looking to lower your tax bill? Explore 10 legitimate and easy tax-saving strategies including 401(k), HSA, IRA, tax-loss harvesting, and deductions.

Canada Tax6 min read · 2026-06-24

CPP and EI Deductions Explained: How They Affect Canadian Paychecks

Confused by the deductions on your paycheck? We explain CPP, the new CPP2 tier, and Employment Insurance (EI) rates and caps in Canada for 2025.

Budgeting7 min read · 2026-06-24

How to Apply the 50/30/20 Budget Rule in High-Cost-of-Living Cities

Living in New York, San Francisco, Toronto, or Vancouver? Here is how to adjust the 50/30/20 budget framework when housing consumes half your paycheck.

Investing8 min read · 2026-06-24

401(k) vs Roth IRA: How to Optimize Your US Retirement Savings

Should you invest in a pre-tax 401(k) or a tax-free Roth IRA? Understand the differences, contribution limits, and how to combine both for maximum tax efficiency.

Investing6 min read · 2026-06-24

Index Funds vs Individual Stocks: Which is Better for Long-Term Wealth?

We compare passive index fund investing against picking individual stocks. Learn the risks, historical returns, and which strategy is best for average investors.

US Tax8 min read · 2026-05-12

Texas vs California: How Much Tax Do You Really Save in 2025?

We run the real numbers on income tax savings, property tax costs, and total tax burden at $80K, $150K, and $300K gross salaries.

US Tax7 min read · 2026-05-12

California Income Tax Guide 2025: What You Actually Take Home

California has the highest state income tax in the US at 13.3%. See real take-home pay examples and how CA compares to no-tax states.

Canada Tax8 min read · 2026-05-12

RRSP vs TFSA: Which Is Better for You in 2025?

RRSP reduces your taxable income now. TFSA grows tax-free forever. Learn which account to prioritize based on your income and retirement plan.

Budgeting6 min read · 2026-05-12

The 50/30/20 Budget Rule: Real Examples for 2025

The 50/30/20 rule splits your take-home pay into needs, wants, and savings. See real examples at different income levels and how to apply it.

Investing7 min read · 2026-05-12

How Compound Interest Works: $500/Month Over 30 Years

See exactly how $200, $500, and $1,000/month grow at 5%, 8%, and 10% over 10, 20, and 30 years — and why starting early matters so much.