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47 free calculators. No ads. No sign-up.
★ Favourites
Investment Returns Simulator›
Retirement Drawdown Simulator›
FIRE Calculator›
Invest or Overpay Mortgage?›
UK Salary Calculator›
Compound Interest Calculator›
⛽
Live UK Fuel Prices
Every UK forecourt · GOV.UK Fuel Finder API · Updated every 30 min
S&P 500 data 1957–2026
No ads · No sign-up
Updated quarterly
No ads · No sign-up
Updated quarterly
💰 Investments
7 tools
Investment Returns Simulator›
Retirement Drawdown Simulator›
FIRE Calculator›
Personal Investment Return (XIRR)›
Pension Deferral Calculator›
Forex Compounding Calculator›
Stock Average Calculator›
🏠 Mortgage
4 tools
Mortgage Repayment Calculator›
Mortgage Overpayment Calculator›
Invest or Overpay My Mortgage?›
Price Per Square Foot Calculator›
💵 Savings
6 tools
Compound Interest Calculator›
Savings Goal Calculator›
ISA Calculator›
How Long Will My Money Last?›
Budget Planner›
Money Counter›
£ Income & Tax
7 tools
UK Salary Calculator›
Time and a Half Calculator›
Hourly to Salary Calculator›
Maternity & Sick Pay Calculator›
Required Salary Calculator›
Two Jobs Tax Calculator›
Stamp Duty Calculator›
∑ Maths
3 tools
Percentage Calculator›
Average Calculator (Mean, Median & Mode)›
Million to Billion Converter›
⇄ Unit Converters
16 tools
Length Converter›
Weight Converter›
Temperature Converter›
Volume Converter›
Speed Converter›
Area Converter›
Mass Converter›
Acceleration Converter›
Density Converter›
Energy Converter›
Force Converter›
Pace & Speed Converter›
Power Converter›
Pressure Converter›
Stress Converter›
Torque Converter›
S&P 500 Total Return (1957–2026) · FTSE 100 & All-World returns · US CPI inflation · Updated quarterly · No ads · No sign-up