Business Calculators
Business tools for profit margins, pricing, taxes, invoicing and break-even analysis.
86 calculators
A/B Test Significance Calculator — Is Your Winner Real?
Free A/B test significance calculator: get the p-value, z-score and lift from a two-proportion z-test. Know if your winner is significant at 95%.
ACH Fee Calculator — ACH vs Wire Transfer Cost
Free ACH fee calculator: estimate monthly ACH processing cost per transaction plus gateway fees, then compare savings against wire transfers.
Ad Spend Calculator — ROAS, CPA, CPC & Budget Split
Ad spend calculator: compute ROAS, CPA and CPC from budget, revenue, conversions and clicks, then split spend across search, social and display channels.
Amazon FBA Calculator — Net Profit, ROI & Fee Estimator
Free Amazon FBA calculator: estimate referral fees, FBA fulfillment, storage, COGS and ad spend to find your true net profit per unit, margin and ROI.
Amazon Seller Fee Calculator: Monthly Profit & Margin
Free Amazon seller fee calculator: estimate referral fees, the $39.99/mo plan, FBA fulfillment, storage, closing fees and your net margin.
Average Order Value Calculator — AOV with Upsell Uplift
Free AOV calculator for ecommerce: compute average order value, period-over-period change, and projected revenue uplift from upsells and cross-sells.
Billable Hours Calculator — Annual Utilization
Free billable hours calculator: estimate weekly and annual billable hours from your work week, non-billable admin time and target utilization rate.
Break-Even Calculator: Units & Revenue to Turn a Profit
Free break-even calculator: units you must sell and revenue needed to cover fixed and variable costs, with contribution margin.
Bulk Calculator — Volume Order Total with Discount & Tax
Free bulk calculator: total a volume order — units x unit price, minus bulk discount, plus shipping and sales tax, with effective per-unit cost.
Burn Rate Calculator: Startup Cash Runway & Net Burn
Free burn rate calculator: compute gross vs net monthly burn, cash runway in months, and annual net burn before your startup runs out of cash.
Business Valuation Calculator: SDE, EBITDA & DCF
Free business valuation calculator: estimate company value from SDE, EBITDA multiples and DCF. Get a fair market value range and owner equity after debt.
C-Corp Tax Calculator (Federal + State + Dividends)
Estimate C-corp tax: 21% federal flat plus your state rate, then 15% dividend tax when profits are distributed. See the effective double-tax rate.
Customer Acquisition Cost (CAC) Calculator with LTV Ratio
Free CAC calculator: divide marketing spend by new customers to get customer acquisition cost, then compare it to LTV and the healthy 3:1 benchmark.
Cap Table Calculator: Ownership & Dilution
Model a priced venture round: price per share, new shares, post-money ownership %, and founder dilution from pre-money valuation and investment.
Cart Abandonment Calculator: Recover Lost E-commerce Sales
Free cart abandonment calculator: find your abandonment rate from initiated vs completed checkouts, plus lost and recoverable sales revenue.
Cash on Cash Return Calculator for Rental Property Investing
Cash-on-cash return calculator for rental real estate. Enter price, down payment, NOI and mortgage to see your annual return on cash invested vs cap rate.
Chargeback Calculator — Cost, Fees & Reserve Exposure
Free chargeback calculator: estimate monthly disputes, card-brand fees, lost sales and processor reserve exposure from your revenue and dispute rate.
Churn Rate Calculator — Monthly & Annual Churn
Free churn rate calculator: find customer churn from lost vs starting customers, see retention, and annualize monthly churn with the compounding formula.
COGS Calculator — Cost of Goods Sold & Gross Margin
Free COGS calculator: cost of goods sold = beginning inventory + purchases minus ending inventory. See gross profit and gross margin % instantly.
Commission Calculator: Sales Earnings, Bonus & Net Pay
Free commission calculator: estimate sales commission, tiered bonus, returns deductions and net pay after advances for reps and agencies.
Competitor Pricing Calculator — Price Benchmark & Gap
Free competitor pricing calculator: average, min and max competitor prices, a recommended price with your chosen premium, and your price gap to the market.
Consulting Rate Calculator — Hourly & Day Rate from Salary
Free consulting rate calculator: enter target annual income, billable utilization and overhead to find the hourly rate and day rate you must charge.
Contractor Pay Calculator — 1099 vs W-2 Hourly
Compare 1099 contractor pay against a W-2 salary: net after self-employment tax, effective hourly rate, and equivalent W-2 compensation.
Contractor Rate Calculator — What to Charge per Hour
Contractor rate calculator: turn a target annual salary into the hourly rate you must bill after overhead and profit. For 1099 contractors.
Contribution Margin Calculator — Break-Even Units
Free contribution margin calculator: per-unit contribution, margin ratio %, and break-even units from price, variable cost and fixed costs.
Conversion Rate Calculator: CRO & Revenue Per Visitor
Free conversion rate calculator: turn visitors and conversions into a CRO percentage, revenue per visitor, and the lift needed to hit your target rate.
Convertible Note Calculator: Cap, Discount & Ownership
Free convertible note calculator: model valuation cap, discount, accrued interest, conversion price and post-conversion ownership in the next round.
Cost Per Hire Calculator — Recruiting Cost Breakdown
Free cost-per-hire calculator: add internal recruiting costs, agency fees and signing bonuses, then divide by hires to see your true CPH and spend mix.
Cost Per Unit Calculator — Break-Even Price & Margin
Free cost per unit calculator: split fixed and variable costs, see total cost, per-unit cost, and the break-even price for your target profit margin.
Cost Plus Pricing Calculator — Price from Cost & Markup
Free cost-plus pricing calculator: enter product cost and desired markup to find the selling price, gross profit, profit margin, and ROI instantly.
Coupon Calculator — Stack Promo Codes & Save More
Free coupon calculator: stack two promo codes, compare best single vs stacked savings, and see your final order total after tax and shipping.
CPA Calculator: Cost Per Acquisition
Free CPA calculator: divide ad spend by conversions to get cost per acquisition, then check ROAS, conversion rate and landing page visits.
CPC Calculator — Cost Per Click & Ad Spend Breakdown
Free CPC calculator: divide ad spend by clicks to find your real cost per click, then derive CTR, conversions, CPA and ROAS from one campaign.
CTR Calculator: Click-Through Rate, CPC & CPM
Free CTR calculator: compute click-through rate, CPC, CPM, conversion rate and cost per conversion from ad impressions, clicks, spend and sales.
Customer Acquisition Cost Calculator — LTV & Payback
Free CAC calculator: compute customer acquisition cost, LTV:CAC ratio, and payback period from marketing spend, sales cost, and new customers.
Cut Calculator — Percentage Fee on Any Bill
Free cut calculator: add a percentage fee, haircut, or service charge to any bill and see the grand total and effective rate instantly.
Day Rate Calculator — Salary to Daily & Contract Rate
Convert an annual salary into daily, monthly and hourly rates, then compare a contract day rate against the equivalent full-time salary.
Days Until Birthday Calculator — Countdown to Next Birthday
Free birthday countdown: see how many days, weeks and hours until your next birthday, plus your age after the big day. Leap-year aware.
Delivery Driver Earnings Calculator (Uber Eats / DoorDash)
Estimate net hourly delivery driver pay after gas and car expenses. See weekly, monthly and annual take-home for Uber Eats, DoorDash and Instacart.
Equity Dilution Calculator — Cap Table Ownership %
Free equity dilution calculator: see founder ownership before/after a funding round, investor stake, option pool impact, and total dilution in seconds.
eBay Fee Calculator — Seller Net Profit & Final Value Fee
Free eBay fee calculator: estimate the final value fee, total selling fees, and your net seller proceeds after shipping and cost of goods.
EBITDA Calculator — EBITDA Margin & EV/EBITDA Multiple
Free EBITDA calculator: compute EBITDA from revenue, COGS and operating expenses. See EBITDA margin and EV/EBITDA multiple instantly.
EOQ Calculator — Economic Order Quantity Formula
Free EOQ calculator: find your economic order quantity, orders per year, and total annual ordering plus holding cost instantly.
Etsy Fee Calculator — Seller Payout & Net Profit
Free Etsy fee calculator: estimate the $0.20 listing, 6.5% transaction, and payment processing fees to see your seller payout and net profit per order.
Freelance Income Calculator — Net After Self-Employment Tax
Freelance income calculator: estimate annual gross, self-employment tax, and true net take-home pay from hourly rate, billable hours, and weeks worked.
Freelance Rate Calculator — Hourly & Day Rate from Salary
Turn your desired annual salary into the hourly and day rate you must charge, after taxes, business expenses, vacation and non-billable overhead.
Hourly Wage Calculator — Salary to Hourly Pay
Convert your annual salary to hourly, weekly, biweekly and monthly pay. Add overtime at 1.5x and estimate take-home after a 22% tax rate.
Inventory Turnover Calculator — Ratio & Days in Inventory
Free inventory turnover calculator: divide COGS by average inventory to get your turnover ratio and days in stock instantly.
Invoice Calculator — Total, Tax, Late Fee & Discount
Free invoice calculator: compute invoice total from subtotal, sales tax, late fees and early-payment discount terms like 2/10 Net 30.
Invoice Total Calculator — With Tax, Discount & Shipping
Free invoice total calculator: add subtotal, sales tax, trade discount and shipping to get the grand total your client owes. Fast, no sign-up.
Keystone Margin Calculator — 2× Cost Retail Pricing
Free keystone margin calculator: double your wholesale cost to set retail price, then see gross profit per unit, margin %, markup %, and monthly profit.
LTV:CAC Ratio Calculator — Healthy Benchmark & Payback
Free LTV:CAC ratio calculator: compute lifetime value vs acquisition cost, benchmark the 3:1 healthy rule, and see CAC payback plus cohort retention.
LTV Calculator — SaaS Customer Lifetime Value
Free LTV calculator for SaaS: estimate customer lifetime value, LTV:CAC ratio, payback months, and cohort retention from ARPU, gross margin, and churn.
Marketing Budget Calculator: Plan Spend by Channel
Free marketing budget calculator: set a % of revenue, split spend across digital, events and content channels, and estimate campaign ROI and net return.
Markup Calculator — Markup vs Margin Explained
Free markup calculator: enter cost and selling price to find markup percentage, gross profit, and profit margin. Markup vs margin differences explained.
Cost of Living Calculator: Compare Cities Before You Move
Free cost-of-living comparison: estimate the salary you need to maintain your lifestyle, moving truck cost, and state tax savings before relocating.
Moving Cost by State Calculator — Cross-State Move Estimate
Free moving cost by state calculator: estimate long-distance move cost by weight, miles, packing and insurance. Compare cross-state expenses instantly.
Net Income Calculator — Profit After Tax
Free net income calculator: compute gross profit, operating income and net profit after tax from revenue, returns, COGS, opex, interest and tax rate.
Net Profit Calculator — Net Income & Profit Margin
Free net profit calculator: enter revenue, COGS, operating expenses and your tax rate to instantly see net income, operating profit and net profit margin.
Net Promoter Score (NPS) Calculator
Free NPS calculator: enter Promoters (9-10), Passives (7-8), and Detractors (0-6) counts to compute your Net Promoter Score instantly.
Operating Margin Calculator (EBIT / Revenue %)
Free operating margin calculator: divide operating income (EBIT) by revenue to get your operating profit margin %, plus gross margin and EBITDA.
Overhead Rate Calculator — Apply Overhead to Any Job
Free overhead rate calculator: divide total overhead by direct labor to get your rate, then apply it to estimate job overhead and fully loaded job cost.
Payback Period Calculator: Simple & Discounted Years
Free payback period calculator: estimate simple and discounted payback years, NPV and profitability index for your project investment.
PayPal Fee Calculator: Net Received After Seller Fees
Calculate PayPal seller fees on a domestic sale. See the percentage fee, fixed transaction fee, total PayPal cost, and the net amount you actually keep.
Post-Money Valuation Calculator: Ownership & Price Per Share
Free post-money valuation calculator: compute post-money value, investor ownership %, and price per share from pre-money valuation and investment.
Profit Margin Calculator — Gross Margin & Markup
Free profit margin calculator: enter revenue and cost of goods sold to see gross profit, profit margin %, and markup. Margin vs markup explained.
Reorder Point Calculator — Safety Stock & ROP Formula
Free reorder point calculator: compute ROP from daily demand, lead time, demand variability and a service-level Z-score, plus safety stock.
ROAS Calculator — Return on Ad Spend & Break-even ROAS
Free ROAS calculator: compute return on ad spend, break-even ROAS and incremental profit from ad revenue, ad spend and gross margin.
Runway Calculator: Startup Cash Runway & Burn Rate
Free startup runway calculator: compute monthly net burn, how many months your cash lasts, and the funding gap to your next milestone.
Sales Calculator — Revenue, COGS & Gross Margin
Free sales calculator: enter revenue and COGS to instantly see gross profit, gross margin, operating profit, net profit and markup for your business.
Sales Forecast Calculator — Project Next 6 Months
Project your next 3–12 months of sales with a linear trend from your last 3 monthly totals, plus optional seasonality adjustment. Free for small business.
Shipping Calculator — Dimensional Weight & Zone Cost
Estimate US shipping cost by zone and dimensional weight. Compare actual vs billable weight, see per-package cost, and avoid dim-weight surcharges.
Shipping Class Calculator — USPS/UPS Zone & Rate
Compare USPS and UPS shipping class rates by ZIP zone and dim weight. Pick Ground, 3-Day, 2-Day or Next-Day and see billable weight and total cost.
Shipping Cost Calculator — Rates, Insurance & Fuel Surcharge
Estimate total shipping cost per package: discounted commercial rate, fuel surcharge, declared-value insurance, and dimensional weight across your order.
Shopify Fee Calculator: Monthly Cost & Net Revenue
Calculate Shopify seller fees: Basic $39/mo plus 2.9% + $0.30 per online order. See total monthly cost, net revenue, effective rate, and plan comparison.
Startup Equity Calculator — Founder Split & Option Pool
Free startup equity calculator: split founder stock, size the option pool, and see each founder's ownership % and dollar value at your valuation.
Tip Calculator — Tip Amount & Bill Split
Free tip calculator: compute the tip amount, total bill, and each person's share when splitting a restaurant check. Works for any bill and tip percentage.
Uber Earnings Calculator — Net Pay After Gas & Car Costs
Free Uber driver earnings calculator: estimate your net hourly pay after gas, depreciation and car expenses, then see weekly and yearly take-home.
Uber Eats Earnings Calculator — Net Hourly Pay
Free Uber Eats driver earnings calculator: estimate net hourly pay after mileage, gas and car expenses. See weekly, monthly and annual take-home.
Value Based Pricing Calculator — Price by Customer Value
Free value-based pricing calculator: estimate willingness to pay from customer value, then set a price below that ceiling and above your cost.
Variable Cost Calculator — Total & Fixed Cost Breakdown
Free variable cost calculator: total variable cost, fixed cost and full production cost from per-unit cost and quantity, with worked examples.
VAT Calculator — Add or Extract Value-Added Tax
Free VAT calculator: add VAT to a net price or extract VAT from a gross price. Works for UK 20%, EU standard/reduced rates, and any custom percentage.
Wholesale Calculator — B2B Price, MSRP & MOQ Tiers
Free wholesale calculator: turn landed cost into wholesale price, retail MSRP, and tiered MOQ order totals. Markup vs retailer margin shown side by side.
Wholesale Price Calculator — COGS to Retail Keystone
Free wholesale price calculator: turn COGS into a wholesale price from target margin, then set retail with a keystone multiple. See gross profit instantly.
WooCommerce Fee Calculator — Net Profit & Payment Costs
Free WooCommerce fee calculator: estimate Stripe or PayPal payment fees, hosting, domain, and your true monthly net profit.
Working Days Calculator — Business Day Count for 2026
Free working days calculator: count business days in any year, subtract weekends and federal holidays, and see your actual billable workdays.