💼 Business percentage calculators

Written by Rohan Mehta Updated
Editorial details Reviewed by Vikram Sen Verified · Methodology · Accuracy policy

Quick answer

Free calculators for retail markdowns, tax on a base amount, tips, commissions, and profit margin vs markup—each tool keeps one formula so you open the right page the first time.

Sale price after r% discount: list × (1 − r/100) · Margin: (price − cost) / price × 100 · Markup: (price − cost) / cost × 100

Best for: Retail pricing, restaurant tips, sales commissions, VAT-inclusive quotes.

Also see: Finance hub · Discount guides · Percentage guide

Pick the calculator that matches your question—discount rate (percent off list), margin (profit vs selling price), and markup (profit vs cost) use different formulas and are easy to mix up.

Key facts

Discount percent (Markdown ÷ list price) × 100 when list price is the reference base.
Category Business / retail / hospitality
Related concepts Reverse percentage, percent of total, ROI.

Definitions

Discount percent

Markdown divided by list price, times 100; pair with sale price checks on the discount calculator.

Commission rate

Percent of eligible net revenue paid to sellers or partners—tiers may change the effective rate.

Comparison table

Topic Guidance
Discount vs tax Discount often applies before tax; verify the sequence required in your region.
Tip vs service charge Policies differ; the tip calculator models common voluntary gratuity patterns.

❓ Frequently Asked Questions

Do business calculators replace an accountant?

No. They illustrate standard formulas; contracts, payroll, and filings need a qualified professional.

Why separate margin and markup?

They answer different stakeholder questions—finance reviews margin; merchandising often speaks in markup on cost.

Where is shrink or loss as a percent?

Use percent of total or loss-vs-baseline tools linked from the statistics hub for inventory narratives.

Glossary references

Pair percent language with conversion pages when you mix fractions, decimals, and ratios.