Standard Calculator
Clean, quick everyday calculations with a full-size keypad.
Scientific Calculator
Advanced functions for everyday and technical calculations.
ʸ√x: enter the root first, press ʸ√x, then enter the number. Example: 3 ʸ√x 27 = 3.
GST Calculator
Percentage
What is % of ?
25is what % of ?
12.5%Change from to
+25%Finance Calculators
This mortgage calculator estimates principal-and-interest repayments only. Fees, taxes, insurance and lender-specific charges are not included.
Finance calculations are estimates only and do not constitute financial advice. Actual lender, investment and account results can vary.
Business Calculators
Markup is profit as a percentage of cost. Margin is profit as a percentage of the selling price.
Break-even estimates assume the selling price and variable cost per unit remain constant.
Business calculations are estimates only. Actual results can vary depending on taxes, fees, overheads, pricing methods and accounting treatment.
Conversion Calculators
Lower L/100km means better fuel economy. Higher km/L or mpg means better fuel economy.
KB, MB, GB and TB use decimal units (1000). KiB, MiB, GiB and TiB use binary units (1024).
Results update instantly. Use the ⇄ button to swap the selected units.