🧮
FREE FINANCIAL CALCULATORS
Tools That Do the Hard Numbers for You
Seven interactive financial calculators covering UK tax, ISA planning, mortgage shock, side hustle take-home pay, emergency funds, crypto CGT, and interest rate impact. All free. No signup. No data stored.
✓ 7 Free Tools
✓ UK & US Markets
✓ 2026 Tax Rates Updated
✓ No Signup Required
Live Benchmarks: UK Bank Rate:3.75%-0.25 Fed Funds Rate:4.83% US 30Y Mortgage:6.44%+0.02 GBP / USD:$1.3368
Full Rate Dashboard →
Google AdSense Slot #5555555555
Configure SITE_ADSENSE_ID in .env to serve active ads here.
Tax & Budgeting
1 toolSavings Planning
2 tools NEW 2027 RULES 🇬🇧 UK
Cash ISA 2027 Allowance Splitter
Enter your date of birth to find your age-based Cash ISA and Stocks & Shares ISA allocation under the proposed 2027 modernization rules. Model the £20,000 total allowance split.
- Age-based allowance calculation
- £20,000 total ISA limit split modeler
- Cash vs Stocks allocation optimizer
- Provider comparison framework
Open Calculator →
Free · No signup
🇺🇸 US + 🇬🇧 UK
Emergency Fund Savings Calculator
Calculate how many months of expenses your current savings cover, then build a week-by-week plan to reach your 3-month or 6-month emergency fund target.
- Current coverage month calculation
- 30-day rapid savings planner
- High-yield account interest projections
- US and UK bank rate integration
Open Calculator →
Free · No signup
Mortgages & Debt
1 toolSavings & Rates
1 toolSide Hustles
1 toolTax & Investments
1 toolCOMING SOON
Net Worth Tracker · Compound Interest Calculator · Investment Return Modeler
Join the free newsletter to be first to access new tools.