Kalkoro brings the calculations of everyday life and business into one clean, fast toolkit. From figuring out your net salary to planning a loan installment, separating VAT or checking the value of gold and currency, you get hundreds of answers in seconds. WHAT YOU CAN CALCULATE • Salary & income: gross-to-net salary, income tax, severance, raises • Finance: loan and mortgage installments, interest, amortization schedules, payment plans • Tax & commerce: VAT inclusive/exclusive, profit margin, discounts • Health: body mass index (BMI), daily calories, ideal weight • Currency & gold: conversions at current rates, gram/quarter gold value • Percentage & units: percentages, ratios, length-weight-area unit converter • Date & time: days between dates, age, due-date calculations WHY KALKORO • Runs on your device: Calculations happen on your phone, so they work even without a connection. • Private: The values you enter — salary, loan amounts and more — are never sent to a server or stored. • Up-to-date data: Tax brackets, ceilings and rates use current parameters, and each result shows which period it belongs to. • Always the right result: Every tool is powered by carefully tested calculation engines. • Turkish and English interface with a clean, uncluttered design. MEMBERSHIP (OPTIONAL) The whole app works without an account. If you like, create a free account to sync your favorite tools and recent calculations across your devices. Your account and full history can be deleted anytime, right inside the app. Calculating with Kalkoro is fast, reliable and effortless. Search for the tool you need, enter your values, and get the answer instantly.