Home and car
Estimate concrete volume, tile boxes or paint litres with your dimensions and reserve percentage. This is a quantity estimate, not structural design.
Monetary amounts are in Romanian lei (RON) unless another currency is selected. Salary and VAT calculators use Romanian rules; changing language does not switch tax jurisdiction.
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Calculate discounts, percentages, proportions and percentage changes. Enter your own values and see the formula and result instantly.
Estimate appliance energy use and monthly cost from power, hours and your tariff. Default examples use Romanian lei; no live electricity price is implied.
Compare monthly income and household expenses to see your remaining budget or deficit. Currency examples use Romanian lei (RON).
Simulate monthly contributions and interest at a constant rate. Compare your contributions with interest; taxes, fees and inflation are not included.
Count calendar days and Monday-to-Friday days between two dates. Optionally include the end date. Public holidays are not subtracted.
Convert length, area, mass, volume and temperature in both directions. Read the conversion formula and copy the result.
Add or extract Romanian VAT with editable rate presets. Changing language does not change the Romanian tax jurisdiction.
Estimate Romanian net or gross salary under the standard tax scenario, with a manually entered deduction. This is not a payroll statement or a foreign tax calculator.
Compare equal and declining mortgage payments at a fixed interest rate. Choose RON or EUR as the scenario unit; this does not perform currency conversion.
Estimate fuel quantity, trip costs and cost per passenger from your distance, consumption and price. Default examples use Romanian lei (RON).
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Volume to order
3.3m³
How it is calculated
Volume = area × thickness in cm / 100 × (1 + reserve / 100).
Volume estimate for a slab of uniform thickness. Concrete class and mix require project specifications; this calculator does not design the structure.
