30 increased by 50% = 45
30 increased by 50 percent is 45. Step-by-step solution with the formula and worked example.
30 increased by 50% = 45
increased by %
Solution: 30 increased by 50 percent
Increase = 50% × 30 = 15
Result = 30 + 15 = 45
Result = 30 + 15 = 45
Step-by-step explanation
- Find the increase: 50% of 30 = 15.
- Add it to the original: 30 + 15 = 45.
- Shortcut: multiply by (1 + 50/100) = ×1.5.
Good to know
Shortcut: increasing by 50% is the same as multiplying by 1.5 (that is 100% + 50%). So 30 × 1.5 = 45 in a single step — handy for adding tax, interest or a markup.
Frequently asked questions
30 increased by 50 percent
30 increased by 50% = 45.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
Calculated instantly in your browser. Try your own numbers in the box above, or use the full Percentage Calculator.