UK's Premium Calculator Suite
Free, instant calculators for finance, health, construction, and more. Built to feel like premium tools.
Most Popular
Stamp Duty Calculator
FinanceCalculate stamp duty land tax (SDLT) or land and buildings transaction tax (LBTT) on your property purchase.
Income Tax Calculator
FinanceCalculate your UK income tax for the 2026-27 tax year with England/Wales or Scotland tax bands.
BMI Calculator
Health & FitnessCalculate your Body Mass Index and weight category
Mortgage Calculator
FinanceCalculate your monthly mortgage repayments based on property price, deposit, interest rate, and term.
TDEE Calculator
Health & FitnessCalculate your Total Daily Energy Expenditure
Tip Calculator
UtilityCalculate tip and split the bill between people
Browse by Category
Finance
25 calculators
Stamp duty, income tax, salary, mortgage, VAT, and student loan calculators for UK finances.
Health & Fitness
18 calculators
BMI, TDEE, macro, and calorie deficit calculators for your health and fitness goals.
Construction
18 calculators
Concrete, paint, and flooring calculators for your building and renovation projects.
Utility
17 calculators
Percentage, tip, and age calculators for everyday calculations.
Automotive
4 calculators
Fuel cost, mileage, and vehicle tax calculators for UK motorists.
Education
5 calculators
UCAS points, student budget, grade, reading time, and study planner calculators for UK students.
Garden
4 calculators
Lawn care, planting, compost, and landscaping calculators for UK gardens.
Energy
4 calculators
Electricity cost, solar savings, and energy efficiency calculators for UK homes.
Pet
4 calculators
Food portions, vet costs, and care budgeting calculators for UK pet owners.