Markup
What should I charge?
Enter your cost and the markup you want to get a selling price.
Free calculators for everyday business decisions
Change any number and the answer updates as you type. Everything runs in your browser and nothing is stored. Estimates for planning, not filing advice.
Pricing and profit
Profit Margin
What margin am I making?
Enter revenue and cost to see gross profit and margin.
Break-Even
How much do I need to sell?
Find how many units you must sell to cover fixed costs.
Tax and financing
NJ Sales Tax
How much sales tax do I add?
New Jersey state sales tax is 6.625%. Enter an amount to see the tax and total.
Loan Payment
What will this loan cost each month?
Estimate a monthly payment, principal and interest only.
Planning ahead
Cash Flow Projection
Where will my cash be in a few months?
Project your cash balance from average monthly income and expenses.
Return on Investment
Did this investment pay off?
Compare what you put in against what came back.
About these calculators
These calculators are provided free by AMX Business and Bookkeeping, a New Jersey bookkeeping and controller services firm based in Linden, NJ. They give quick estimates for everyday decisions like pricing, sales tax and financing. They are not financial, tax or accounting advice. For figures tailored to your business, our team offers full bookkeeping, financial reporting and QuickBooks support across New Jersey.
Look up a term in the accounting glossaryQuestions about the numbers
Straight answers to the questions owners ask before they get started. If yours is not here, ask us directly.
Ask a bookkeeping questionWhat is the New Jersey sales tax rate?
The New Jersey state sales tax rate is 6.625%. Certain Urban Enterprise Zones and specific goods may be taxed differently, so check current NJ Division of Taxation guidance for your situation.
How do I calculate profit margin?
Gross profit margin is gross profit divided by revenue, expressed as a percentage. For example, if revenue is $10,000 and cost is $6,000, gross profit is $4,000 and the margin is 40%.
Are these calculators accurate for tax filing?
These tools give quick estimates for planning and are not a substitute for professional advice. For accurate figures and filing, contact AMX at (877) 269-2571 or info@amxbookkeeping.com.
Want these numbers done for you every month?
We prepare cash flow, profitability and break-even reporting as part of monthly bookkeeping, and we explain what changed. Start with a free consultation.