Calculation Station

Three calculation tools in one: unit converter, finance calculator, and health dashboard.

What it does

Use this to convert kitchen measurements, work out currency, plan a loan payment, compute BMI, project investment growth - everyday calculations. Results update as you type.

How to use

Pick a tab from the sidebar:

Unit Converter

About 95 units in 16 categories:

  • Length (metres, feet, inches, etc.)
  • Weight (kg, pounds, ounces, etc.)
  • Temperature (Celsius, Fahrenheit, Kelvin)
  • Volume (litres, gallons, cups, etc.)
  • Speed, Area, Pressure, Energy, Power, Data, Angle, Time, Fuel, and more.

Type a value, the conversion appears immediately.

Finance Studio

Six calculators:

  • Loan: Monthly payment, total interest paid.
  • Investment Growth: How a deposit or fund grows over time.
  • Profit: Margin from cost and selling price.
  • VAT: Tax-inclusive/exclusive calculation.
  • Discount: Discount rate and final price.
  • ROI: Investment return percentage.

Health Dashboard

Seven metrics:

  • BMI: Body mass index.
  • Body Fat: Approximate estimate.
  • Ideal Weight: Given height.
  • Water Need: Daily water intake.
  • BMR / TDEE: Basal metabolic rate and total daily calorie need.
  • Heart Rate Zones: Target zones for exercise.
  • Waist/Hip Ratio: Health risk indicator.

Other features

  • Live calculation: No "Compute" button, results update as you type.
  • Precision: 0-10 decimal places.
  • Scientific notation: Big/small numbers as 1.23e+05.
  • History: Last 12 conversions kept.

Examples

Convert gallons to litres in a recipe: Unit Converter, Volume, type 1 gallon, read the litre value.

Loan payment: Finance Studio, Loan, 100,000 principal, 60 months, 1.5% monthly. Monthly payment appears.

Compute BMI: Health Dashboard, BMI, height 175, weight 75. BMI value and healthy range appear.

Calculate VAT: Finance Studio, VAT, gross price 1180, 18% rate. Net price and VAT amount appear.

Watch out

  • Every calculation is local, no internet needed.
  • Currency rates are a static snapshot, not live.
  • Finance calculations are estimates, not a bank contract.
  • Health metrics are estimates, not a substitute for medical advice.
  • BMR/TDEE vary by individual.

License

Unlimited in every plan.