ScaleX is the only unit converter you’ll ever need.
From cooking and fuel tracking to live exchange rates and health calculations — ScaleX combines 18 converters and 13 powerful tools.

💱 LIVE CURRENCY EXCHANGE RATES

Stay on top of the market with real-time exchange rates from six trusted central banks. Switch providers in one tap to compare rates across institutions. Works offline with the last cached rates when no connection is available.

⛽ FUEL COST TRACKER & CALCULATOR

The most complete fuel calculator. Five modes in one tool:

• Trip Cost — know exactly what a journey will cost before you leave
• Cost per km/mile — calculate your real per-distance fuel expense
• Fuel Budget — plan ahead based on your monthly fuel allowance
• EV Comparison — compare running costs between electric and fuel vehicles
• Refuel Log — record every fill-up at the pump

Every calculation and every refuel entry can be saved . View totals and averages for any custom date range — this month, last quarter, or the whole year. See total distance driven, total fuel spent, average cost per kilometer, and trip count across any period you choose. Full history with swipe-to-delete. Supports both metric (liters/km) and imperial (gallons/miles).

🍳 COOKING & BAKING TOOLS

• Cups to Grams — convert volume to weight for 33 ingredients across 7 categories (flours, sugars, fats, dairy, grains, nuts and more) using real density data. Works both ways: cups → grams and grams → cups.
• Recipe Scale — scale any recipe up or down instantly. Supports 13 units including teaspoons, tablespoons, cups, milliliters, ounces, and grams.
• Yeast Converter — switch between instant, active dry, and fresh yeast with precise ratios so your baking always rises.
• Oven Converter — convert between conventional °C, °F, fan-assisted temperatures and gas marks (¼ through 9) in one tap.

💪 HEALTH & FITNESS CALCULATORS

• Body Fat Calculator — BMI method and the US Navy circumference method. Saves your results so you can track progress over time.
• Macro Calculator — calculates your daily protein, carbohydrate and fat targets. Choose from four preset splits (Weight Loss, Maintenance, Muscle Gain, Low Carb) or create a fully custom ratio.
• Calorie Calculator — calculates your Total Daily Energy Expenditure (TDEE) using the Harris-Benedict equation. Adjusts for five activity levels.

💰 FINANCE TOOLS

• Loan Calculator — full amortization schedule with total interest, monthly payment, and complete payment timeline. History saved automatically.
• Inflation Calculator — find out what today's money will be worth in the future, or what a past price equals today. Adjustable rate and time period.
• Tip Calculator — split a bill fairly with preset and custom tip percentages.

🚗 AUTOMOTIVE TOOLS

• Power & Torque Calculator — solve for power (kW / HP), torque (Nm / lb-ft) or RPM given the other two values.
• Tire Size Calculator — decode any tire specification instantly.

👗 FASHION & SIZE GUIDES

• Clothing Size Converter — men's and women's tops and bottoms across US, UK, EU, IT, FR, JP, and AU sizing systems.
• Bra Size Converter — 6 international systems (US, UK, EU, IT, FR, AU) with independent band and cup selection.
• Shoe Size Converter — men's and women's shoes across US, UK, EU, JP (cm), and AU standards.

📐 18 UNIT CONVERTERS

Length • Weight & Mass • Temperature • Volume • Area • Speed • Pressure • Energy • Power • Torque • Angle • Density • Thermal Conductivity • Time • Timezone • Data Storage • Cooking Volume • Fuel Economy

⚙️ BUILT FOR EVERYDAY USE

✔ 7 languages — English, Bulgarian, German, Spanish, French, Italian, Russian
✔ Light and dark theme
✔ Metric and imperial throughout
✔ Save favorite converters and tools
✔ Recent history chips for instant repeat access
✔ User profile auto-fills health calculators
✔ Works offline (currency uses last cached rates)
✔ Responsive layout for phones and tablets