Small Business Cash Flow Forecast Calculator

Estimate cash available after expected receipts and operating outflows.

Forecast ending cash
$31,000.00
Opening cash $25,000.00
Net period cash flow $6,000.00
Ending cash $31,000.00
Inputs
Amounts are treated in the selected currency; no foreign-exchange conversion is applied.
currency
Opening cash balance for the forecast.
currency / month
Expected cash receipts during the period.
currency / month
Expected cash payments during the period.
months
Number of equal periods to project.
Results & Graph
Forecast ending cash
$31,000.00
Opening cash
$25,000.00
Net period cash flow
$6,000.00
Ending cash
$31,000.00

Forecast ending cash

Graph 1 • Starting Cash Sensitivity Recalculates the domain equation across 50% to 150% of the primary input while holding other parameters constant.
0 USD 23.5k USD 47.0k USD 50%: 18,500 USD 18.5k 50% 75%: 24,750 USD 24.8k 75% 100%: 31,000 USD 31.0k 100% 125%: 37,250 USD 37.3k 125% 150%: 43,500 USD 43.5k 150%
Graph 2 • Primary & Supporting Metric Comparison Compares the primary output alongside supporting domain benchmarks.
Forecast ending cash $31,000.00 Opening cash $25,000.00 Net period cash flow $6,000.00 Ending cash $31,000.00
Graph 3 • Exact Output Table & Units Displays each calculated output in its exact domain unit.
Forecast ending cash$31,000.00Opening cash$25,000.00Net period cash flow$6,000.00Ending cash$31,000.00
Summary: Under a flat monthly receipts and costs assumption, projected cash after 1 periods is $31,000.00.
Summary: Under a flat monthly receipts and costs assumption, projected cash after 1 periods is $31,000.00.
⚠️ Assumes receipts and payments occur within each modeled period and do not vary.

Formula & Mathematical Methodology: Small Business Cash Flow Forecast Calculator

Ending cash = opening cash + cash receipts − cash outflows.
Ending cash = opening cash + cash receipts − cash outflows.
  • startingCash: User-entered starting cash (currency).
  • monthlyRevenue: User-entered monthly revenue (currency / month).
  • monthlyCosts: User-entered monthly costs (currency / month).
  • months: User-entered months (months).

Rounding: Calculations retain full precision; displayed values are rounded for readability.

Worked Example: Example: Cash Flow Forecast

Estimate cash available after expected receipts and operating outflows.

  1. Enter values for the period and unit shown.
  2. Use current, measured inputs wherever available.
  3. Review the result, chart, assumptions, and limitations together.
Result: Ending cash = opening cash + cash receipts − cash outflows.

Frequently Asked Questions

How accurate is this result?

It is only as accurate as the values and assumptions entered. Check the included formula and limitations against your situation.

Does the currency selector convert exchange rates?

No. It changes the displayed denomination only; it does not convert between currencies.

Business & Marketing • Cash Flow Guide

How to Use the Small Business Cash Flow Forecast Calculator: Practical Guide & Visual Analysis

Forecast ending cash over a short planning period from opening cash, receipts, payments, and period length. Enter your own assumptions and review the formulas, example, and limitations before using the result. Whether you are researching small business cash flow forecast calculator calculator, small business cash flow forecast calculator, cash flow forecast, this interactive tool helps you forecast ending cash over a short planning period from opening cash, receipts, payments, and period length.

Interpreting the 3 Custom Visual Graphs & Key Outputs

As you adjust Display Currency, Starting Cash, Monthly Revenue, Monthly Costs, the calculator immediately computes Calculated estimate, Supporting metrics, Calculator-specific visual comparison and updates all three domain-specific SVG charts in real time. Instead of relying on a single static figure, you can inspect the primary domain diagram, component breakdown, and multi-point trajectory curve to see how changing your inputs shifts the final result. Use the Compare (up to 3 scenarios) button to evaluate side-by-side variations before making a decision.

Real-World Benchmark & Planning Tips (General planning estimate; rates and rules are user-entered.)

In our benchmark scenario (Example: Cash Flow Forecast), Ending cash = opening cash + cash receipts − cash outflows. Keep in mind that inputs are treated as estimates for the selected period. For related calculations in Business & Marketing, explore Percentage Calculator, Business Break-Even Calculator.