Beta Calculators

Compare two mortgage deals side by side. See total cost including fees, monthly payments, and which deal saves you more.

Calculate the total cost of moving house: estate agent fees, stamp duty, conveyancing, surveys, removals. See your equity and additional funding needed.

Calculate how much equity you could release from your home. See compound interest cost over 10-30 years, remaining equity projections, and inheritance impact. UK lifetime mortgage calculator for ages 55+.

Calculate how much it costs to extend your lease. See the premium breakdown (ground rent loss, reversion, marriage value), professional fees, and the 80-year cliff. UK flat lease extension calculator.

Calculate your property flip profit after stamp duty, renovation, bridging finance, holding costs, agent fees, and tax. See ROI, 70% rule check, and full P&L breakdown.

Calculate your ideal body weight using Devine, Robinson, Miller, and Hamwi formulas. See the range across all four methods and compare to BMI healthy weight.

Estimate your VO2 max using the Cooper 12-minute run test or Rockport 1-mile walk test. See your fitness classification by age and sex based on ACSM norms.

Calculate your Fat-Free Mass Index to see how muscular you are relative to your height. FFMI above 25 (men) or 21 (women) exceeds natural limits identified by Kouri et al. (1995).

Calculate how many calories you burn walking any number of steps. Personalised to your weight, height, and walking pace using MET values from sports science research.

Compare your powerlifting total across weight classes with Wilks, Wilks-2, and DOTS scores. See your strength level, percentile ranking, and per-lift breakdown.

Calculate your fitness age based on your VO2 max, BMI, activity level, and resting heart rate. Uses the Jackson et al. (1990) non-exercise prediction model with ACSM population norms.

Estimate your genetic muscular ceiling using Casey Butt frame analysis, Martin Berkhan height formula, FFMI natural limit, and Lyle McDonald rate-of-gain model.

Calculate your training day and rest day calories and macros for body recomposition. Calorie cycling splits, protein targets, and 12-week body fat projection based on your experience level.

Calculate your ideal body proportions using Steve Reeves ratios, John McCallum wrist-based system, and the Grecian golden ratio. Compare actual vs ideal measurements.

Calculate the full cost of raising a child from birth to age 18 in the UK. Regional childcare costs, age-phased breakdown, government support, and maternity income loss.

Compare household income when both parents work vs one staying home. See how much childcare, commuting, and work expenses eat into the second salary.

Calculate the real cost of owning a dog, cat, or rabbit in the UK. Annual, monthly, and lifetime costs with breakdown by food, insurance, vet, grooming, and more.

Estimate the cost of UK home renovations - kitchen, bathroom, loft conversion, extension, and more. Compare costs by quality level and region, see property value uplift and ROI.