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Business Calculators

Choose from 28 focused business calculators for the task you need to complete.

ARR Calculator

Calculate Annual Recurring Revenue (ARR) from your recurring revenue and billing period. See the formula, every assumption, intermediate MRR/ARR values, input validation, and a copyable or downloadable result. No live data - your numbers only.

$2,500 monthly
1 subscription
ARR $30,000
MRR $2,500

Billable Hourly Rate Calculator

Calculate the billable hourly rate you need to charge from your income target, business expenses, working hours, and utilization rate. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live data - your numbers only.

Income $90,000
70% of 2,000 h
Required rate $72.86/h
1,400 billable h

Break-Even Revenue Calculator

Calculate break-even units and break-even revenue from your fixed costs, price per unit, and variable cost per unit. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live data - your numbers only.

Fixed $10,000
$50 price • $20 cost
Break-even 334 units
Revenue $16,667

Burn Rate Calculator

Calculate gross burn, net burn, and cash runway from your cash balance, revenue, and expenses. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live data - your numbers only.

Cash $500,000
Revenue $20k • costs $80k/mo
Net burn $60k/mo
Runway 8.3 months

Business Profit Calculator

Calculate COGS, gross and net profit margin, markup, break-even units and revenue, project profit, and billable hourly rate - all in one calculator. See the formula, contribution margin, and assumptions for every mode, choose a period, and export a scenario table.

Revenue $50,000
COGS $30,000
Gross profit $20,000
Margin 40%

Cash Runway Calculator

Calculate your cash runway and month-by-month projection from your cash balance, revenue, and burn assumptions. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live data - your numbers only.

Cash $500,000
Revenue $20k • burn $80k/mo
Net burn $60k/mo
Runway 8.3 months

Churn Rate Calculator

Calculate customer or revenue churn rate from starting, lost, gained, and ending customers or revenue. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live data - your numbers only.

1,000 starting customers
50 lost • 20 gained
Gross churn 5%
Net churn 3%

Conversion Rate Calculator

Calculate a conversion percentage from conversions and a matching visitor, lead, session, click, or custom total, with the formula, entered values, and intermediate calculations shown.

250 conversions
10,000 visitors
Conversion rate 2.5%
1 in 40

Cost of Goods Sold Calculator

Calculate cost of goods sold (COGS) from starting inventory, purchases, and ending inventory. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live data - your numbers only.

Opening inventory $10k
Purchases $30k • ending $8k
Goods available $40,000
COGS $32,000

CPC Calculator

Calculate cost per click (CPC) from your advertising spend and clicks. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live rates - your numbers only.

Ad spend $1,000
500 clicks
CPC $2.00
CPM $2,000

CPM Calculator

Calculate cost per thousand impressions (CPM) from your advertising spend and impressions. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live rates - your numbers only.

Ad spend $1,000
100,000 impressions
CPM $10.00
Cost/impression $0.01

CTR Calculator

Calculate click-through rate (CTR) from clicks and impressions. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live data - your numbers only.

500 clicks
100,000 impressions
CTR 0.5%
1 in 200

Customer Acquisition Cost (CAC) Calculator

Calculate customer acquisition cost (CAC) from your sales and marketing spend and new customers. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live rates - your numbers only.

Marketing spend $10,000
100 new customers
CAC $100
Cost per customer

Customer Lifetime Value (LTV) Calculator

Calculate estimated customer lifetime value (LTV) from average revenue per customer, gross margin, and churn or retention rate. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live data - your numbers only.

ARPU $100/mo
50% margin • 5% churn
LTV $1,000
LTV:CAC if entered

Economic Order Quantity (EOQ) Calculator

Calculate economic order quantity (EOQ) from demand, ordering cost, and holding cost. See the formula, entered values, intermediate results, input validation, and a copyable or downloadable result. No live data - your numbers only.

Demand 10,000 units
Order $50 • hold $2
EOQ 707 units
14.1 orders/period

Gross Margin Calculator

Calculate gross profit and gross margin percentage from revenue and direct cost. See the formula, every assumption, intermediate values, period conventions, input validation, and a copyable or downloadable result.

Revenue $50,000
Direct cost $30,000
Gross profit $20,000
Gross margin 40%

Inventory Planning Calculator

Calculate reorder point, safety stock, economic order quantity (EOQ), and inventory turnover from demand, demand variability, lead time, service level, ordering cost, holding cost, COGS, and average inventory. See the formulas, units, scenario sensitivity, and a copyable or downloadable result. No live inventory data - your numbers only.

Demand 100/day
Lead time 7 days • 95% service
Safety stock calculated
Reorder point shown

Inventory Turnover Calculator

Calculate inventory turnover ratio and days of inventory on hand from cost of goods sold and average inventory. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live data - your numbers only.

COGS $120,000/year
Average inventory $20,000
Turnover 6×
Days on hand 60.8

Marketing Metrics Calculator

Calculate ROAS, CPM, CPC, CTR, and conversion rate from ad spend, impressions, clicks, conversions, and revenue. Compare multiple campaigns side by side, see every numerator and denominator, and export results. No live ad data or automatic attribution.

Spend • impressions
Clicks • conversions • revenue
ROAS • CPM • CPC
CTR • conversion rate

Markup Calculator

Calculate markup and margin from cost and selling price, find selling price from a target markup, or find cost from a target margin. Review the formula and result.

Cost $40
Selling price $60
Markup 50%
Margin 33.33%

MRR Calculator

Calculate a Monthly Recurring Revenue (MRR) movement report from your starting MRR plus new, expansion, contraction, and churned MRR. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live data - your numbers only.

Starting MRR $20k
New $5k • churn $2k
Ending MRR calculated
Net growth and retention

Net Profit Margin Calculator

Calculate net profit and net profit margin from revenue, operating expenses, interest, and tax. See the formula, every assumption, intermediate values, period conventions, input validation, and a copyable or downloadable result.

Revenue $50,000
Costs, interest, tax
Net profit calculated
Net margin shown

Project Profit Calculator

Calculate project profit from project revenue, labor hours and rate, materials cost, allocated overhead, and an optional estimated tax rate. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result.

Revenue $20,000
Materials $5k • 120 h × $45
Total costs $11,900
Profit $8,100

Reorder Point Calculator

Calculate the reorder point from average daily demand, maximum daily demand, and lead time. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live data - your numbers only.

Demand 20/day
Max 30/day • lead time 5–8 days
Average usage 100 units
Reorder point 240 units

ROAS Calculator

Calculate return on ad spend (ROAS) from your advertising spend and attributed revenue. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live rates - your numbers only.

Ad spend $2,000
Attributed revenue $8,000
ROAS 4.00×
ROI 300%

SaaS Metrics Calculator

Calculate MRR, ARR, CAC, LTV, customer and revenue churn, expansion and contraction, gross and net burn, cash runway, and Rule of 40 from one period of SaaS data. Every metric and denominator shown. No billing system connection.

Starting recurring revenue
New, expansion, churn, costs
MRR • ARR • CAC
Runway • Rule of 40

SaaS Rule of 40 Calculator

Calculate the SaaS Rule of 40 score from your revenue growth rate and profit margin. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live data - your numbers only.

Growth 25%
Profit margin 20%
Score 45%
Passes 40% benchmark

Safety Stock Calculator

Calculate safety stock from demand variability, lead-time variability, and a target service level using the statistical (Z-score) method. See the formula, every assumption, intermediate values, input validation, and a copyable or downloadable result. No live data - your numbers only.

Demand 100/day
Lead time 5 days • 95% service
Safety stock calculated
Reorder point shown

How to choose business calculators

Match the calculator to the decision and the figures you have. Business Profit Calculator groups several profit measures, Marketing Metrics Calculator compares campaign ratios, SaaS Metrics Calculator combines recurring-revenue measures, and Inventory Planning Calculator puts stock formulas in one scenario.

Profit calculators for margin, pricing, and break-even

Use Business Profit Calculator when one scenario needs COGS, gross and net profit margin, markup, break-even units and revenue, projected profit, or billable hourly rate. Choose a focused calculator when one result needs a narrower set of inputs.

  • Gross Margin Calculator uses revenue and direct cost to calculate gross profit and gross margin.
  • Net Profit Margin Calculator uses revenue, operating expenses, interest, and tax.
  • Markup Calculator finds markup or margin from cost and selling price, or calculates a target selling price or cost.
  • Break-Even Revenue Calculator uses fixed costs, price per unit, and variable cost per unit.
  • Project Profit Calculator uses project revenue, labor, materials, overhead, and an optional estimated tax rate.
  • Billable Hourly Rate Calculator uses an income target, business expenses, working hours, and utilization rate.

Gross Margin Calculator uses direct cost. Net Profit Margin Calculator also uses operating expenses, interest, and tax. Markup Calculator uses cost and selling price, or a target markup or margin, so it answers a different pricing question.

Marketing metrics calculators for campaign ratios

Marketing Metrics Calculator compares ROAS, CPM, CPC, CTR, and conversion rate across campaign rows. Enter the figures yourself, and the calculator shows each metric's numerator and denominator. It has no live ad data and does not assign attribution automatically.

  • ROAS Calculator compares attributed revenue with advertising spend.
  • CPM Calculator uses advertising spend and impressions.
  • CPC Calculator uses advertising spend and clicks.
  • CTR Calculator uses clicks and impressions.
  • Conversion Rate Calculator uses conversions and a matching visitor, lead, session, click, or custom total.
  • Customer Acquisition Cost (CAC) Calculator uses sales and marketing spend plus new customers.

Use Marketing Metrics Calculator when several campaign rows belong in one review. Open CPC Calculator, CTR Calculator, or another focused page when one ratio needs separate inputs. Keep the campaign scope and attribution basis consistent across rows.

SaaS calculators for revenue, retention, and growth

SaaS Metrics Calculator combines MRR, ARR, CAC, LTV, customer and revenue churn, expansion and contraction, gross and net burn, cash runway, and Rule of 40 in one period of SaaS data.

  • ARR Calculator uses recurring revenue and the billing period to calculate ARR.
  • MRR Calculator reports starting MRR plus new, expansion, contraction, and churned MRR.
  • Churn Rate Calculator calculates customer or revenue churn rate from starting, lost, gained, and ending customers or revenue.
  • Customer Lifetime Value (LTV) Calculator uses average revenue per customer, gross margin, and churn or retention rate.
  • SaaS Rule of 40 Calculator uses a revenue growth rate and a supplied profit margin.

Keep monthly figures with monthly figures and annual figures with annual figures. LTV depends on the churn or retention rate and gross margin you enter. Rule of 40 depends on the growth rate and profit margin you enter.

Cash runway and inventory planning

Burn Rate Calculator uses cash balance, revenue, and expenses to calculate gross burn, net burn, and cash runway. Cash Runway Calculator uses cash balance, revenue, and burn assumptions for a runway estimate and month-by-month projection. Both use entered figures, not live financial records.

Inventory Planning Calculator puts reorder point, safety stock, EOQ, and inventory turnover in one scenario. Its inputs cover demand, demand variability, lead time, service level, ordering cost, holding cost, COGS, and average inventory.

  • Cost of Goods Sold Calculator uses starting inventory, purchases, and ending inventory.
  • Economic Order Quantity (EOQ) Calculator uses demand, ordering cost, and holding cost.
  • Reorder Point Calculator uses average daily demand, maximum daily demand, and lead time.
  • Safety Stock Calculator uses demand variability, lead-time variability, and a target service level with a statistical Z-score method.
  • Inventory Turnover Calculator uses COGS and average inventory to report turnover and days of inventory on hand.

Use Economic Order Quantity (EOQ) Calculator for order quantity, Reorder Point Calculator for the replenishment trigger, and Safety Stock Calculator when demand or lead-time variability and a target service level set the buffer. Keep units and time periods aligned in each inventory calculation.

Typical business calculator jobs

For a recurring-revenue review, enter starting MRR, new MRR, expansion, contraction, and churned MRR in MRR Calculator. Then use ARR Calculator with the relevant billing period.

For campaign review, enter spend, impressions, clicks, conversions, and revenue for each campaign in Marketing Metrics Calculator. Open a focused calculator when CPC or conversion rate needs a separate denominator.

For stock planning, compare demand and lead-time assumptions in Inventory Planning Calculator. Switch to Safety Stock Calculator when the service-level assumption needs its own result.

Choose by the question you need answered

Write down the output before entering values. Use an all-in-one calculator when the same inputs support several related measures. Use a focused page when one formula or one output is the point. For work outside business planning, choose the relevant section in Calculators.

Frequently asked questions

Which business calculator should I start with?

Match the inputs to the decision. Choose Business Profit Calculator, Marketing Metrics Calculator, SaaS Metrics Calculator, or Inventory Planning Calculator when one scenario needs several related measures.

What is the difference between gross margin and net profit margin?

Gross margin uses revenue and direct cost. Net profit margin also includes operating expenses, interest, and tax. Use Gross Margin Calculator for the direct-cost view and Net Profit Margin Calculator for the broader profit result.

Which calculator compares marketing metrics?

Marketing Metrics Calculator compares ROAS, CPM, CPC, CTR, and conversion rate across campaign rows. It uses entered figures, has no live advertising data, and does not assign attribution automatically.

Do these business calculators use live business data?

They use the figures and assumptions you enter. Individual pages state limits such as no live data, no live rates, no billing-system connection, or no automatic advertising attribution where those limits apply.