Nas Digital Growth

How to Find Your Freedom Figure and Retire Early Using the Rule of 25

October 19, 2025 | by Nas Digital Growth

ChatGPT Image Oct 19, 2025, 11_39_19 AM
NDG Money Mastery

How to Find Your Freedom Figure and Retire Early Using the Rule of 25

Simple, realistic, and powerful. Learn the number that sets you free, and the system that gets you there faster.

Overview

Financial freedom is not a fantasy. It is a target and a timeline. Your target is the Freedom Figure — the amount invested that can fund your lifestyle through a safe withdrawal rate. Your timeline is the plan you follow to reach it.

In this guide, we define the Rule of 25, build your personal number, and map the practical steps that move you from intention to results. We’ll keep it simple, use plain language, and focus on actions that work in the real world — in the UK, US, and Bangladesh contexts.

Friendly disclaimer: Education, not financial advice. Consider your own circumstances and local tax rules.

What Is a Freedom Figure?

Your Freedom Figure is the amount of invested money required to cover your yearly living costs, indefinitely, using a sustainable withdrawal rate. It’s the number that lets you work because you want to — not because you have to.

If your investments can pay your annual expenses each year while the principal grows over time, you are financially free. That freedom lets you change location, reduce hours, start a business, take a sabbatical, or simply enjoy more control over your time.

  • It’s personal: your costs and lifestyle define the target.
  • It’s dynamic: review and update annually as life changes.
  • It’s actionable: once you know it, you can plan backwards.

The Rule of 25 and the 4% Withdrawal Rate

The Rule of 25 is a useful shorthand: multiply your annual expenses by 25 to estimate how much you need invested to fund your lifestyle at a 4% withdrawal rate.

Annual SpendFreedom Figure (×25)4% Covers per Year
£20,000£500,000£20,000
$36,000$900,000$36,000
৳1,200,000৳30,000,000৳1,200,000

It’s not a guarantee; it’s a planning tool. Markets move, inflation varies, and spending changes. You can tighten the plan with buffers (10–20%), flexible withdrawals, or part-time income in down years. The point is clarity: a visible target you can move toward, step by step.

Build Your Annual Cost Baseline

Start with your typical year — not your best month. List core categories, round up rather than down, and aim for a realistic baseline you can sustain without constant stress.

  • Housing: Rent/mortgage, council tax or local rates, insurance, basic maintenance.
  • Utilities: Electricity, gas, water, internet, mobile.
  • Food: Groceries + honest eating-out allowance.
  • Transport: Public transport, fuel, car insurance, MOT/fitness, servicing.
  • Health: NHS extras/private; US readers include premiums and deductibles.
  • Life & Family: Childcare, gifts, modest travel.
  • Work & Tools: Software, subscriptions, small equipment.
  • Buffer: 10–15% for irregulars and surprises.

Two sample baselines:

CategoryModest (UK city)Lean-Lux (US metro)
Housing£12,000$18,000
Utilities & Internet£1,800$2,400
Food£3,600$5,200
Transport£2,400$4,200
Health£600$3,600
Life & Family£2,400$3,000
Buffer£2,200$2,600
Total£25,000$39,000

Honesty beats optimism. If in doubt, round up and add a buffer.

Common Mistakes When Setting the Number

  1. Underestimating lifestyle. Plan for how you usually live, not a once-in-a-while lean month.
  2. Ignoring inflation. Prices rise. Review yearly and adjust your number.
  3. Forgetting taxes. Pensions, ISAs, Roths, 401(k)s, and taxable accounts differ.
  4. Zero buffer. Keep 10–15% slack to avoid derailment.
  5. Analysis paralysis. First version now, refinement later.

Invest the Simple Way

You don’t need to pick stocks or time markets. Most people do better with low-cost index funds that track broad markets. Keep fees low, automate monthly, increase contributions when income rises, and let compounding do the heavy lifting.

  • Core holding: A global equity index fund or S&P 500 fund.
  • Automation: Direct debit on payday into tax-advantaged accounts (ISA / Roth / 401(k)), then brokerage.
  • DCA: Dollar-cost average through up and down markets.
  • Costs: Fees compound too. A 1% annual fee can erase years of progress.
  • Simple rules: Rebalance annually. Keep an emergency fund separate. Avoid FOMO trades.

Add property or a small, sensible crypto slice only if it fits your risk tolerance and you understand the volatility.

Free Up Cash Without Feeling Poor

The fastest wins come from big-ticket tweaks that don’t reduce quality.

  • Car hacking: Buy reliable used vehicles near the bottom of the depreciation curve and hold.
  • Brand swapping: Store brands for staples save hundreds per year.
  • House hacking: Rent a spare room; use mid-week Airbnb (with permission).
  • Tax wrappers: Maximise ISAs, pensions, Roths, matches. Reduce tax drag.
  • Deal timing: End-of-month quotes and asking for discounts = easy wins.

Use Credit the Smart Way

Credit cards are tools. Misuse is costly; smart use saves thousands over time. Keep utilisation low; pay in full every month; build a strong score to unlock better mortgage rates and lower insurance costs.

  • Use one primary card with auto-repayment in full.
  • Keep utilisation under ~30% (lower is better).
  • Never carry consumer debt as an “investment strategy”.

Add Another Income Stream

One income is a one-legged stool. Add a second leg with skills you already have. Five to ten focused hours per week can change your trajectory within months.

  • Freelance: Editing, design, copywriting, web builds, content repurposing.
  • Education: Tutoring, micro-courses, templates.
  • E-commerce: Niche products, digital downloads, local reselling.
  • Local services: SEO, ads, CRM setup for small shops.

Aim for your first £500 / $500 / ৳50,000 extra per month. Keep fixed costs low. Reinvest early profits into skills and assets.

Your 30‒60‒90 Day Plan

Days 1–30: Measure & Automate

  • List annual costs. Build your baseline with a 10–15% buffer. Calculate your Freedom Figure (annual × 25).
  • Open tax-advantaged and brokerage accounts. Enable direct debit on payday.
  • Start with a simple global index fund allocation. Set a monthly amount you won’t miss.
  • Begin a 4–6 month emergency fund on autopilot.
  • Cancel 3 unused subscriptions. Negotiate 1 bill this month.

Days 31–60: Reduce Friction

  • Implement one big win: car, housing, or insurance optimisation.
  • Rebalance debt to lower rates; avoid new consumer debt.
  • Build a simple side-hustle offer. Send 20 outreach messages a day, five days a week.

Days 61–90: Compound the System

  • Increase contributions by 10–20% if cash-flow allows.
  • Standardise a weekly 20-minute money review (Sunday).
  • Document your playbook: what works, what to drop, what to improve next quarter.
Momentum beats perfection. Follow this for 12–36 months and your finances will feel different. Stick with it for a decade and your life may look unrecognisable.

Want the Freedom Figure Spreadsheet?

Grab the calculator sheet and the weekly money review checklist to track progress and make smarter decisions.

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Frequently Asked Questions

Is the Rule of 25 safe in every market?
No single rule is perfect. The Rule of 25 is a planning baseline around a 4% withdrawal idea. Add buffers, keep spending flexible, and consider part-time income in down years.
What if my costs change a lot year to year?
Recalculate yearly. Add a buffer if costs are volatile. Split your number into “must-have” and “nice-to-have” so you know the minimum and the ideal.
Should I include mortgage payments?
Yes, if you will still be paying it when you reach freedom. If the mortgage will be cleared, include insurance, property taxes, and maintenance instead.
Can I start if I have debt?
Yes. Build a small starter emergency fund, then pay down high-interest debts aggressively while contributing something to investing. Momentum matters.

This guide keeps the maths simple on purpose. Real life is messy. Start with the first version of your number. Automate the basics. Improve as you go.

Featured Video · Nas Digital Growth

The Financial Freedom Blueprint: Rule of 25 to Retire Early

This video breaks down a practical 6-step system: calculate your Freedom Figure with the Rule of 25, invest simply with index funds, cut big costs without losing lifestyle, build smart credit, add an extra income stream, and automate everything so your money compounds while you live your life.

Summary (Aligned with Your Blog)

Freedom starts with a number. Use the Rule of 25 to multiply your annual living cost and get your target portfolio. Then keep the engine simple: automate contributions into low-cost index funds, trim big expenses with smart “hacks,” build credit the right way, and add a side income that scales with your skill.

The philosophy is clear: use money to grow, not to impress. Automate transfers on payday, track weekly, negotiate bills, and send consistent outreach for clients or customers. Follow the checklist for 12–36 months and momentum does the heavy lifting.

Six Steps from the Video

  • 01 — Find Your Freedom Figure: Annual spend × 25. Add a 10–20% buffer for volatility.
  • 02 — Invest the Simple Way: Core in broad index funds/ETFs; automate monthly; keep fees low.
  • 03 — Hack Big Costs: Car/house/brand/tax/deal hacking to unlock surplus without feeling poor.
  • 04 — Build Credit Smartly: Low utilisation, pay in full, better rates later save thousands.
  • 05 — Add a Second Income: Turn skills (editing, design, tutoring, e-com) into £/$/৳ each month.
  • 06 — Use Money for Growth: Index funds + property (optional) + tiny high-risk slice only if you understand it.

Quick Playbook (From Your Blog Checklist)

  • Automate on Payday: ISA/Roth/401(k) first, then brokerage. Treat it like a bill you “must” pay.
  • Auto-Invest: Dollar-cost average into your core index fund; review once per quarter.
  • Emergency Fund: 4–6 months in easy-access savings so you never sell assets in a dip.
  • Weekly Review: 20 minutes to track spending, tweak categories, and spot leaks.
  • Cut Waste: Cancel unused subscriptions; negotiate one bill this month.
  • Outreach Engine: 20 value-first messages per day for clients/collabs; document what works.

Bottom line: Know your number, simplify your investing, lower the big costs, and let systems compound. That’s how you move from bills to freedom.

Financial Freedom · Rule of 25 Blueprint

Calculate Your Freedom Figure & Automate Wealth

Use the Rule of 25 to set a clear target, then follow the 6-step system from our blog: invest simply with index funds, hack big costs, build smart credit, add a side income, and automate everything. Get the “Freedom Formula Toolkit” (PDF + checklist) delivered to your inbox and WhatsApp.

We’ll send your Freedom Figure estimate, the PDF toolkit, and a 90-day action plan. Watch the Free Training
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