Business & StartupSales Forecast

Revenue Calculator

Forecast monthly, annual, and daily gross and net sales revenue from unit volume, average price, recurring subscriptions, and return allowances.

Primary Product Sales & Subscriptions

Net Sales Revenue Formula

Net Monthly Revenue = (Units Sold × Price + Secondary Revenue) × (1 - Return & Discount %); Annual Run Rate = Net Monthly × 12
  • Gross Sales: Top-line value of all goods and service contracts billed to customers.
  • Net Revenue: Gross receipts minus allowances, promotional discounts, and returned merchandise.

Step-by-Step Worked Example

Scenario: Selling 500 units/mo @ $60, with $5,000 in monthly service retainers and 4% returns/discounts

Calculation Steps:

  1. Gross Product Revenue = 500 × $60 = $30,000 / month
  2. Total Gross Monthly Revenue = $30,000 + $5,000 = $35,000 / month
  3. Discounts & Returns = $35,000 × 0.04 = $1,400 / month
  4. Net Monthly Revenue = $35,000 - $1,400 = $33,600 / month
  5. Net Annual Revenue Run Rate = $33,600 × 12 = $403,200 / year
Result: Net revenue is $33,600/month ($403,200 annual run rate, $1,105/day), after $1,400 in return/discount allowances.

How to Use This Calculator

  1. 1Enter average units sold per month and unit retail price.
  2. 2Add secondary recurring subscription, warranty, or consulting revenue.
  3. 3Specify expected customer return or discount percentages.

Assumptions & Limitations

  • Monthly sales rates remain constant across the annualized forecast.

Frequently Asked Questions

What is an Annual Run Rate (ARR)?

Annual Run Rate extrapolates current monthly revenue across a full 12-month period (Monthly Net Revenue × 12), helping managers evaluate enterprise scale.

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