Finance calculator

Percentage Calculator

Calculate percentage-of, ratio, increase, decrease, change, add-on and reduction with safe zero handling.

Professional calculator

Calculate percentage-of, percentage ratio, increase/decrease, change, add-on and reduction with clear zero-denominator handling.

Calculation ModeX / percentage / old valueY / base / new value

Estimated result

Calculated result

180

Input X

Input Y

1,000

Modeof

X18

Y1,000

Result180

Answer = Y × X ÷ 100.

• Blank, invalid and negative numeric entries are guarded to avoid NaN/Infinity.
• A zero denominator intentionally returns N/A, not 0%.
• This calculator is mathematical only and has no tax/legal assumption.

Related tools

EMI Calculator

Detailed reducing-balance EMI calculator with yearly summary and month-wise amortization schedule.

Estimate business loan EMI, total repayment, processing cost and EMI coverage context.

Estimate home-loan EMI, amortization and optional lump-sum prepayment impact.