Calculators › Percentage increase calculator

Add a percentage to a number

Add tax, a markup, or a raise — and check the percentage between two numbers.

Try it — edit the line, the answer updates as you type Open in Jotal

Ways to write it

Type this	You get
`100 + 15%`	115
`$250 + 8.25%`	$270.63
`5% on $30`	$31.50
`$70 as a % on $20`	250%

Each line stands on its own, so you can stack a few and read the answers down the side. Name a line — bill = $86.40 — and reuse it below. sum totals the lines above it, up to the last blank line or heading.

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Jotal is a notepad that does maths

Free, works offline, nothing to install and no account. Units, currencies at live rates, percentages, dates, time zones, variables and running totals — written in plain language.

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