Built for UK πŸ‡¬πŸ‡§ β€” every rule, every quirk

Free AI Money Tools
for the UK & USA

25 calculators for tax, mortgages, pensions, ISAs, 401(k)s, capital gains and more β€” each one engineered around the actual rules of your country. No sign-up. No stored data. 100% free.

25
AI tools
2
Countries
100%
Free tier
0
Data stored
β€” The process

From question to clear answer in three steps.

No sign-up, no waiting for a callback, no "consult a professional" as the only response.

STEP 01
Pick your country

Flip the UK/USA toggle at the top once. The whole site adapts β€” currency symbols, tax brackets, terminology, allowances.

STEP 02
Choose a tool

Filter by category β€” Finance, Legal & Business, or Lifestyle. 25 tools, each engineered around the actual rules of your country.

STEP 03
Get a plain answer

Numbers, a step-by-step explanation, and the exact rule that produced the result. Export to PDF or share a link.

β€” The toolkit

25 tools. Both countries.

Filter by category. Every tool adapts to your selected region automatically.

Finance

AI Tax Calculator

Federal + state (US) or PAYE + self-assessment (UK), with plain-English breakdown of every deduction.

Finance

AI Capital Gains Tax Calculator

US short-term vs. long-term rates plus state add-ons, or UK annual exempt amount and CGT bands for property vs. other assets.

Finance

AI Mortgage Affordability

FHA/conventional rules (US) or affordability multiples + Stamp Duty (UK). Know what you can actually borrow.

Finance

AI Retirement Planner

401(k) and Roth IRA paths for the US; Workplace Pension and SIPP routes for the UK. Forecast to retirement.

Finance

AI ISA vs Roth IRA Optimizer

Compares UK Cash, Stocks & Shares, and Lifetime ISAs with US Roth and Traditional IRA limits, income phase-outs, and tax treatment.

Finance

AI Pension Transfer Advisor

Walks through US 401(k) to IRA rollovers or UK DB-to-DC transfers, with safeguarded benefits warnings over Β£30k.

Finance

AI Loan & Card Comparison

APR (US) vs APRC (UK) compared apples-to-apples. See total cost over the life of the loan instantly.

Finance

AI Budget Planner

Categorises your spending and benchmarks it against cost-of-living data for your specific region.

Finance

AI Savings & Cash Optimizer

Compares US HYSAs, CDs, and T-Bills with UK easy-access ISAs, fixed-rate bonds, and NS&I products.

Finance

AI Freelance Rate Calculator

US self-employment tax or UK IR35 + Class 2/4 NICs. Work out the rate you actually need to charge.

Finance

AI Side Hustle Income Tracker

US 1099 + Schedule C with quarterly estimated tax reminders, or UK Trading Allowance (Β£1,000) and Self Assessment thresholds.

Finance

AI Student Loan Repayment Planner

US federal IDR plans (SAVE, PAYE, IBR) and refinancing math, or UK Plan 1/2/4/5 thresholds with 30/40-year write-offs.

Finance

AI Net Worth & Asset Tracker

Multi-currency tracker with region-specific buckets β€” HSA, 529, Roth IRA (US) or ISA, Premium Bonds, SIPP (UK).

Finance

AI Debt Payoff Planner

Snowball vs. avalanche modelling with APR (US) and APRC (UK), including 0% balance transfer optimisation.

Finance

AI Inheritance & Estate Tax

US federal estate tax plus state-level inheritance taxes, or UK IHT with nil-rate bands and the 7-year taper.

Finance

AI Stamp Duty / Transfer Tax

UK SDLT bands including first-time buyer and additional property surcharges, or US state and county transfer taxes.

Legal & Business

AI Contract Generator

NDAs, freelance and service agreements with US state-specific or UK jurisdiction clauses baked in.

Legal & Business

AI Will & Testament Drafter

Honours US state law vs England & Wales vs Scotland β€” three distinct frameworks, not a generic template.

Legal & Business

AI Invoice Generator

Proper VAT handling for the UK or state sales tax for the US. Export to PDF, branded with your business.

Legal & Business

AI Business Name Generator

Checks live domain availability plus USPTO (US) and UKIPO (UK) trademark databases before you commit.

Lifestyle

AI Visa Eligibility Checker

US green card categories or UK Skilled Worker / Graduate / Family routes. Get a realistic shortlist in minutes.

Lifestyle

AI Real Estate ROI Calculator

Cap rate and 1% rule (US) or gross yield + Stamp Duty (UK). Closing costs modelled accurately per country.

Lifestyle

AI Buy-to-Let Property Analyzer

US Schedule E deductions and depreciation, or UK Section 24 mortgage interest restriction with limited-company landlord modelling.

Lifestyle

AI Energy Bill Reducer

Upload an Ofgem-regulated UK bill or a US utility statement. Get tailored savings actions ranked by impact.

Lifestyle

AI Meal Planner

Switches between metric (UK) and imperial (US), with grocery lists aware of Tesco/Sainsbury's or Walmart/Kroger.

β€” By the numbers

Same life decisions. Wildly different rules.

A few of the differences our tools handle automatically β€” using 2025/26 thresholds.

Income Tax
πŸ‡¬πŸ‡§
United Kingdom
20% / 40% / 45% bands plus a Β£12,570 personal allowance (reduced over Β£100k). Scotland uses six different bands.
πŸ‡ΊπŸ‡Έ
United States
10% to 37% federal in seven brackets, plus state income tax ranging from 0% to 13.3% depending on state.
Retirement Limits
πŸ‡¬πŸ‡§
United Kingdom
Pension annual allowance: Β£60,000. ISA limit: Β£20,000. Lifetime ISA: Β£4,000 with 25% government bonus.
πŸ‡ΊπŸ‡Έ
United States
401(k) limit: $23,500 ($31k with catch-up). IRA: $7,000. Roth IRA phases out at $150–165k single income.
Capital Gains
πŸ‡¬πŸ‡§
United Kingdom
Annual exempt amount: Β£3,000. Property: 18% / 24%. Other assets: 10% / 20% by income band.
πŸ‡ΊπŸ‡Έ
United States
Long-term: 0% / 15% / 20%. Short-term: taxed as ordinary income. State CGT adds 0–13.3% on top.
Property Purchase Tax
πŸ‡¬πŸ‡§
United Kingdom
SDLT bands up to 12%. Additional property surcharge: +5%. First-time buyer relief up to Β£625,000.
πŸ‡ΊπŸ‡Έ
United States
No federal stamp duty. State transfer taxes range 0% to ~3%. Some counties add their own. Closing costs β‰ˆ 2–5% of price.
Estate & Inheritance
πŸ‡¬πŸ‡§
United Kingdom
Nil-rate band: Β£325,000 + residence band: Β£175,000. IHT: 40% above. 7-year taper on gifts.
πŸ‡ΊπŸ‡Έ
United States
Federal exemption: $13.99M (2025). Rate: 18–40% above. Six states add inheritance tax, twelve add estate tax.
Self-Employment
πŸ‡¬πŸ‡§
United Kingdom
Trading allowance: Β£1,000. Class 2 + 4 NICs. Self Assessment by 31 January. IR35 rules for contractors.
πŸ‡ΊπŸ‡Έ
United States
1099 + Schedule C reporting. Self-employment tax: 15.3%. Quarterly estimated payments due Apr / Jun / Sep / Jan.
β€” Why us

Not your average AI wrapper.

Most AI tools are one-size-fits-everyone. AI Money Tools is engineered around the actual rules of your country.

Region-aware logic

Separate engines per country. Real HMRC and IRS rules, not a translation layer over a generic model.

Privacy first

Your numbers never leave the browser. We don't store inputs, results, or build a profile on you.

30-day updates

When HMRC or IRS changes a threshold, our tools reflect it within 30 days β€” guaranteed in writing.

Plain English

Every result comes with a clear breakdown. No jargon. No "consult a professional" as the only answer.

β€” Common questions

Questions, answered.

If you don't see what you're looking for, drop us a line at hello@aimoneytools.com.

Is it really free?
Every one of the 25 tools has a free tier you can use without signing up. Advanced features sit behind a fair monthly subscription. We never lock the basic calculation behind a paywall.
How do I know the numbers are accurate?
Tax brackets, allowances and thresholds are reviewed against HMRC and IRS publications quarterly. When a figure changes mid-year we update affected tools within 30 days.
What's actually different between the UK and US versions?
The logic, not just the labels. The Tax Calculator uses HMRC PAYE bands plus Scottish rates separately for the UK; for the US it computes federal brackets plus all 50 state schedules.
Do I need to sign up?
No. You can use any of the 25 calculators anonymously. Sign up only if you want to save scenarios or sync results across devices.
What happens to my data?
All calculations run in your browser. Inputs and results stay on your device unless you hit "Save" with an account.
Can I use this instead of an accountant or lawyer?
For most everyday questions β€” yes. For decisions with serious legal or tax consequences, use our tools to understand the landscape, then bring the output to a qualified professional.
Will you add more countries?
Canada and Australia are on the roadmap for 2026.
β€” Get early access

First in line when v1 launches.

We're rolling out the first three tools β€” Tax Calculator, Mortgage Affordability, and Retirement Planner β€” to the early access list in waves. Drop your email below.

No spam. One launch email per tool, then you're done.