Everyday Tools

All-in-one Percentage Calculator

Calculate ratios, percentage increases, decreases, and seed germination rate in one place.

Part ÷ Total × 100Original value × (1 ± percentage)Germination number ÷ Sowing number × 100
%

What percentage of Y is X?

For grades, completion rates, and shares.

×

What is X% of Y?

For tips, tax, and discount amounts.

Percentage increase

Find a new value after a price rise, pay raise, or growth.

Percentage decrease

Find a sale price or value after a reduction.

±

Percentage change & difference

Compare directional change and the direction-free percentage difference.

🌱

Seed germination rate

Assess seed viability and estimate how many seeds to sow.

How it works

Ratio:Value X ÷ Total Y × 100

Increase:Original value × (1 + Percentage X% ÷ 100)

Germination:Seeds germinated ÷ Seeds sown × 100