Free Business Tools & Calculators
Calculators for small shops, indie makers, and freelancers. All free and open-source.
Retail & POS
Tools for retail shops, boutiques, and specialty stores. Master pricing, inventory, and customer loyalty.
True Margin vs. Markup Calculator
Calculate profit margin, markup percentage, and gross profit from cost and selling price.
Cash Denomination Counter & Till Balancer
Count bills and coins, balance your till, and identify discrepancies.
Reorder Point (ROP) & Safety Stock Calculator
Never run out of stock. Calculate the optimal reorder point based on lead time and daily sales.
Break-Even Point Analyzer
Find out how many units you need to sell to break even. Calculate profitability at different sales volumes.
Sales Tax & Margin Calculator
Visualize how sales tax impacts your profit margins and customer pricing. Calculate after-tax profit and compare margins.
Loyalty Points Calculator
Design a customer loyalty rewards program. Calculate point values, redemption rates, and program ROI.
Shrinkage & Loss Analyzer
Calculate the true cost of shrinkage (theft, damage, waste). Analyze impact on profitability and set targets.
Planogram Layout Assistant
Plan shelf space, calculate units per shelf, and optimize product placement for maximum visibility and sales.
E-Commerce & Logistics
Calculators for online sellers, dropshippers, and logistics professionals. Optimize shipping and profitability.
Dimensional Weight (DIM) Calculator
Calculate dimensional weight for shipping with DHL, FedEx, and UPS. Determine billable weight based on package size.
COD Return-to-Sender (RTS) Calculator
Analyze margin buffer needed for high return rates in Cash-on-Delivery businesses. Calculate RTS impact on profitability.
ROAS Break-Even Calculator
Calculate minimum ROAS needed to hit $0 profit. Plan ad spend budgets based on product costs and markups.
Pallet Stacking & CBM Optimizer
Calculate cubic meters (CBM), optimize pallet stacking, and determine volume utilization for freight logistics.
Social Commerce Ad Spend Splitter
Break down social commerce revenue into influencer commissions, platform fees, and net ad budget. Model waterfall deductions.
Service Business
Tools for service businesses, consultants, and agencies. Calculate project viability and resource allocation.
Agile Sprint Capacity & Burn-Rate Calculator
Calculate team capacity, sprint costs, and cost per story point for accurate resource planning and pricing.
Project Scope Creep Risk Buffer Estimator
Identify risk factors and generate recommended project padding percentage to protect profitability.
Client LTV vs. Acquisition Cost (CAC) Calculator
Calculate customer lifetime value versus acquisition cost to gauge business health and pricing sustainability.
Value-Based Pricing Generator
Calculate tiered pricing based on projected client ROI to capture value fairly and build confidence.
Freelancer Tools
For freelancers, contractors, and solo professionals. Track income, set rates, and manage profitability.
Payment Gateway Fee Extractor
Compare payment processing fees across Stripe, PayPal, local gateways, and Merchant of Record solutions.
Freelance Hourly Rate to True Salary Converter
Convert billable hourly rates into true take-home salary accounting for overhead, taxes, downtime, and vacation.
Irregular Income 'Baseline' Salary Calculator
Calculate a conservative baseline income from 12 monthly inputs using the 70th percentile method.
Invoice Late Fee & Statutory Interest Calculator
Calculate compound interest and late fees on unpaid invoices using statutory rates or custom percentages.
Micro-SaaS & Indie
For SaaS founders, app creators, and indie makers. Optimize unit economics and CAC/LTV metrics.
SaaS & Subscription LTV Projector
Project customer lifetime value and analyze churn impact on recurring revenue sustainability.
LLM API Token Cost Estimator
Estimate costs for GPT-4, Claude, Gemini, and other LLM APIs based on token usage and request volume.
Stripe vs. Merchant of Record (MoR) Fee Comparison
Compare payment processing costs between traditional processors (Stripe) and MoR solutions (Paddle, LemonSqueezy, etc).
Business Accounting
Business accounting and financial planning tools. Manage budgets, profitability, and growth metrics.
Runway & Cash Burn Rate Calculator
Calculate how many months until your cash runs out based on burn rate and revenue.
Working Capital Cycle (DIO + DSO - DPO)
Calculate your working capital cycle to understand cash flow timing and optimize inventory and payment terms.
Debt Service Coverage Ratio (DSCR) Calculator
Calculate DSCR to measure ability to service debt - a key metric for lenders and creditors.
Remote Work & Geo-Arbitrage
For distributed teams and remote workers. Optimize salaries and remote work economics.
Geo-Arbitrage Net Worth Projector
Project wealth growth by comparing 3-year financial outcomes of two living locations with different costs.
Localized Remote Worker Tax Estimator
Estimate income and self-employment taxes for remote workers across major countries and regions.
Home Office ROI & Tax Deduction Estimator
Calculate the tax savings and ROI from home office deductions including utilities, internet, and maintenance.
Free & Open Source
All tools are completely free and open-source. Contribute on GitHub or self-host them for your team.
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