🇬🇧 Free UK Calculator Network

Free tools for
every UK topic

21 specialist calculator sites — all free, all browser-based, no sign-up required.

21
Sites
300+
Free Tools
100%
Free Forever
💰 Money & Business
💼
UK Business Calc
ukbusinesscalc.co.uk
VAT, corporation tax, IR35, salary vs dividend, day rate, break-even and more.
VATIR35Corporation TaxDay Rate
🏠
UK Property Tools
ukpropertytools.co.uk
Mortgage, stamp duty, rental yield, LTV, affordability and property cost calculators.
MortgageStamp DutyRental Yield
🎓
Student Tools UK
studenttoolsuk.co.uk
Student loan, maintenance loan, budget, grade calculator and uni cost tools.
Student LoanBudgetGrades
⚖️ Legal & Admin
⚖️
UK Legal & Admin Tools
uklegaladmin.co.uk
Redundancy pay, notice period, holiday entitlement, small claims, PCN guide and more.
RedundancyHoliday PaySmall Claims
🚗
UK Driver Tools
ukdrivertools.co.uk
Fuel cost, MPG, road tax, speeding fines, penalty points and EV savings calculators.
Fuel CostRoad TaxSpeeding Fines
💪 Health & Fitness
⚖️
Body Stats Calc
bodystatscalc.co.uk
BMI, BMR, TDEE, macros, body fat, ideal weight and calorie deficit calculators.
BMITDEEMacrosBody Fat
🏋️
UK Fitness Tools
ukfitnesstools.co.uk
1RM, VO2 max, race predictor, Wilks score, TDEE athlete and training calculators.
1RMVO2 MaxRace Predictor
⚽
Sport & Games Calc
sportgamescalc.co.uk
Calorie burn, pace, heart rate zones, FPL points, chess Elo and betting odds.
Running PaceFPLElo Rating
👩
Her Health Tools
herhealth.co.uk
Women's BMI, cycle tracker, ovulation, pregnancy weight, menopause and TDEE tools.
Cycle TrackerPregnancyMenopause
🧠
Mental Wellness Calc
mentalwellnesscalc.co.uk
Stress checker, burnout assessment, anxiety score, mood tracker and wellbeing tools.
StressBurnoutMood
🏡 Home & DIY
🏡
Home & Garden Calc
homegardencalc.co.uk
Paint, wallpaper, flooring, tiles, decking, lawn, heating cost and insulation calculators.
PaintFlooringHeating Cost
🧱
DIY & Build Calc
diyandbuildcalc.co.uk
Bricks, timber, plasterboard, roofing, extension cost, skip hire and scaffold calculators.
BricksExtension CostRoofing
🌍 Travel & Environment
✈️
Travel & Adventure Calc
traveladventurecalc.co.uk
Travel budget, currency converter, flight emissions, visa costs, hotel vs Airbnb and more.
Travel BudgetCurrencyVisa Cost
🌱
Eco & Green Calc
ecogreencalc.co.uk
Carbon footprint, solar savings, EV range, recycling impact and water saving calculators.
Carbon FootprintSolarEV Range
🌤️
UK Weather Tools
ukweathertools.co.uk
Feels like temperature, UV index, frost risk, growing season and wind speed converter.
Wind ChillUV IndexFrost Risk
🔬 Science, Food & Life
🔬
Science & Math Tools
sciencemathtools.co.uk
Percentages, statistics, unit converter, quadratic solver, periodic table and more.
StatisticsUnit ConverterQuadratic
🥗
Food & Nutrition Calc
foodnutritioncalc.co.uk
Calorie calculator, macros, recipe scaler, alcohol units, meal cost and grocery tools.
CaloriesMacrosRecipe Scaler
🎂
Age & Time Calc
agetimecalc.co.uk
Exact age, days between dates, countdown timer, retirement age and pregnancy due date.
Age CalculatorCountdownDue Date
👶
Baby & Toddler Tools
babytoddlertools.co.uk
Baby weight, height predictor, due date, nap schedule, feed calculator and milestones.
Baby WeightNap ScheduleMilestones
🐾
Pet Health Calc
pethealth.co.uk
Dog and cat age, weight, calorie, vaccination schedule and vet cost calculators.
Dog AgeCat WeightVet Cost
❤️
Relationships & Social
relationshipscalc.co.uk
Love languages, compatibility, date night cost, wedding budget and gift budget tools.
Love LanguagesWedding BudgetGift Budget