💰 Advanced Savings Calculator 2026
Calculate your savings growth with compound interest, tax implications, and ISA allowances
Compound Interest
Growth Projections
ISA Calculator
Tax Included
Savings Details
Live Updates: ON
Initial Deposit
💷 Starting Amount
£10,000
Initial lump sum you're saving
Monthly Contributions
📅 Monthly Deposit
£250
Amount you'll save each month
Interest Rate
📊 Annual Interest Rate (%)
4.5%
Current best easy access: 4-5%
Time Period
⏱️ Number of Years
5
How long you'll save for
Tax Settings (UK)
📊 Tax Rate (%)
20%
Personal Savings Allowance: £1000 (basic), £500 (higher)
Your Savings Projection
Updated: Just nowFinal Balance After 5 Years
£28,456
including interest & tax
Total Deposits
£25,000
What you put in
Interest Earned
£3,956
Before tax
Tax Paid
£500
After allowance
Net Growth
£3,456
Interest after tax
Effective Return
4.2%
After tax AER
1.28x
Money multiple
£474
Avg monthly growth
Savings Growth Over Time
Total Deposits
Interest Earned
Tax Paid
Tax Breakdown (UK 2026)
Personal Savings Allowance
£500
Used of £1,000 allowance
50% UsedTaxable Interest
£500
After allowance
TaxableTax Payable
£100
At 20% rate
Due annuallyISA Option: If you use a Cash ISA, all interest is tax-free regardless of amount. Your ISA allowance for 2026 is £20,000.
🏆 Compare Best Savings Rates
See how different rates affect your savings
Year-by-Year Projection
| Year | Starting Balance | Deposits | Interest | Tax | End Balance | Growth % |
|---|---|---|---|---|---|---|
| Total | £25,000 | £3,956 | £500 | £28,456 | - | |
Important Information
This calculator provides estimates based on current UK tax rules (2026). Actual returns may vary based on:
- Changes in interest rates
- Your personal tax circumstances
- Bank or provider fees
- Early withdrawal penalties
💡 ISAs protect up to £20,000 per year from tax. Consider using your allowance.