Number guides

Plain-language explanations, reliable formulas, and worked examples that help you understand the answer—not merely copy it.

Finance

Markup Multiplier: Convert Pricing Factors to Percentages

Convert a markup multiplier to a cost-based percentage and back. Check pricing factors, keystone examples, below-cost prices and reversed denominators.

6 min read · Practical examples
Finance

How to Calculate Markup in Excel and Google Sheets

Calculate markup in Excel and Google Sheets with clear cost and price formulas. Check percent cells, copied references, zero costs and rounded prices.

6 min read · Practical examples
Finance

How to Calculate a Commission Rate From Sales and Earnings

Find a commission rate from eligible sales and commission-only earnings. Separate base pay, align periods, and distinguish blended rates from contract tiers.

6 min read · Practical examples
Finance

How to Split Sales Commission Between Two People

Split a defined sales commission pool between two people using agreed shares. Check payout totals, rounding, separate fees and the difference from sales credit.

6 min read · Practical examples
Finance

How to Calculate Commission in Excel and Google Sheets

Calculate commission in Excel and Google Sheets with flat and tiered formulas. Separate base pay, validate rates, test thresholds and reconcile earnings.

6 min read · Practical examples
Finance

Full-Time Equivalent Salary: How to Compare Part-Time Pay

Compare part-time pay using full-time equivalent salary. Define paid hours and weeks, distinguish advertised FTE from actual gross pay, and verify examples.

6 min read · Practical examples