UK calculators that actually make sense
Free UK online calculators, updated when rules change. No American defaults. Search across 563 calculators in seconds.
Popular calculators
All calculators ->- Take-Home Pay Calculator
- Income Tax Calculator
- Mortgage Repayment Calculator
- Mortgage Affordability Calculator
- Stamp Duty Calculator
- VAT Calculator
- BMI Calculator
- BMR Calculator
- TDEE Calculator
- Calorie Calculator
- Hours Calculator
- Hours and Minutes Calculator
- Date Add / Subtract Calculator
- Age Calculator
- Due Date Calculator
- Immigration Health Surcharge Calculator
- Spouse Visa Financial Requirement Calculator
- Business Loan Repayment Calculator
- Merchant Cash Advance Calculator
- Business Energy Cost Calculator
- Private School Fee Calculator
- Compound Interest Calculator
- Auto Loan Calculator
- CM to Inches Converter
- Inches to CM Converter
- KG to LBS Converter
- LBS to KG Converter
- Celsius to Fahrenheit Converter
- Fahrenheit to Celsius Converter
- Miles to KM Converter
- Feet and Inches to CM Converter
- Recipe Scaler Calculator
- Oven Temperature Converter
- Volumetric Weight Calculator
- Royal Mail Parcel Size Checker
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Browse calculators by category
Fast links to the most-used calculators across UK tax, mortgages, health, time, immigration, energy, education, auto, and math.
Finance
- Capital Gains Tax Calculator
- APR Calculator
- Business Loan Repayment Calculator
- Mortgage Repayment Calculator
- Student Loan Repayment Calculator
Health
- Calorie Deficit Calculator
- Food Calorie Calculator
- Macro Calculator
- Body Fat Percentage Calculator
- Vitamin D Calculator
Time
- Date Add / Subtract Calculator
- Time Units Converter
- Hours and Minutes Calculator
- Age Calculator
- Hours Calculator
Auto
- MPG Calculator
- Fuel Cost Calculator
- Fuel Savings Calculator
- Auto Loan Calculator
- EV vs Petrol Cost Calculator
Energy
- Energy Bill Calculator
- Electricity Cost Calculator
- Business Energy Cost Calculator
- Energy Direct Debit Calculator
- Solar Panel Payback Calculator
Legal & Work
- Immigration Health Surcharge Calculator
- ILR Eligibility Calculator
- Spouse Visa Financial Requirement Calculator
- UK Visa Fee Calculator
- Student Visa Maintenance Calculator
Education
- Private School Fee Calculator
- Grade Calculator
- Degree Classification Calculator
- UCAS Tariff Points Calculator
- GCSE Grade Calculator
Math
- Volume Calculator
- Circle Calculator
- Fraction Calculator
- Trigonometry Calculator
- Pythagorean Theorem Calculator
Conversions
- Baking Ingredient Converter
- EV Efficiency Converter
- CM to Inches Converter
- KG to LBS Converter
- Resistance Converter
Home Improvement
- Concrete Footing Calculator
- Paver Calculator
- Mulch Calculator
- Roof Area Calculator
- Board and Batten Calculator
Cooking
- Recipe Scaler Calculator
- Oven Temperature Converter
- Gas Mark Converter
- Baker's Percentage Calculator
- Dough Hydration Calculator
Shipping
- Volumetric Weight Calculator
- Royal Mail Parcel Size Checker
- Parcel Girth Calculator
- CBM Calculator
- Freight Cost Calculator
Construction
- Square Footage Calculator
- Boiler Size Calculator
- Radiator BTU Calculator
- Board Foot Calculator
- Plywood Calculator
TV & Video
- TV Size Calculator
- TV Dimensions Calculator
- Aspect Ratio Calculator
- Screen Resolution Calculator
- Projector Screen Size Calculator
Pets
- Dog Age Calculator
- Cat Age Calculator
- Dog Food Portion Calculator
- Cat Food Portion Calculator
- Dog Healthy Weight Calculator
Science
- Molarity Calculator
- Molecular Weight Calculator
- Ideal Gas Law Calculator
- Projectile Motion Calculator
- Wave Speed Calculator
Electrical
- Watts to Amps Calculator
- Amps to Watts Calculator
- Watts to kWh Calculator
- Voltage Drop Calculator
- LED Resistor Calculator
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