Accounting Calculators

Last updated: October 2026

Net Profit Margin Calculator

Calculate net profit margin: the percentage of revenue left as profit after all expenses, interest and taxes.

Calculate the overhead allocation rate — the indirect cost applied per direct labor hour.

Calculate working capital as a dollar amount, current ratio, or days of working capital — three views of the same short-term liquidity picture.

Find how many times a year you sell through your inventory: cost of goods sold divided by average inventory.

Categorize outstanding invoices by age and estimate your bad debt allowance based on historical default rates.

Calculate the dollar difference between your budgeted and actual amounts, and instantly classify the result as favorable or unfavorable.