FINBIZTOOLS
Business Tools
Simple tools for small businesses, freelancers, shop owners and professionals to calculate costs, create business documents and manage everyday business tasks.
GST & Business Documents
GST Calculator
Add or remove GST from an amount and estimate CGST, SGST or UTGST, and IGST using a rate you select.
Use Tool →FREE TOOLGST Invoice Generator
Create an itemized invoice with an explicit GST split and local PDF download.
Use Tool →FREE TOOLQuotation Generator
Prepare an itemized quotation with validity, discounts, tax and terms.
Use Tool →FREE TOOLReceipt Generator
Create a simple record of an entered payment and download it locally.
Use Tool →Business Calculators
Profit Margin Calculator
Calculate profit and margin, or find a price for a target margin.
Use Tool →FREE TOOLMarkup Calculator
Calculate a price from markup or find markup from cost and price.
Use Tool →FREE TOOLBreak-Even Calculator
Find the sales volume and revenue needed to cover entered costs.
Use Tool →FREE TOOLProfit Calculator
Calculate business profit or loss from revenue and cost.
Use Tool →FREE TOOLPricing Calculator
Calculate a selling price from cost and a target margin or markup.
Use Tool →FREE TOOLDiscount Calculator
Calculate the discount amount and final price, or find a discount percentage.
Use Tool →FREE TOOLCommission Calculator
Calculate sales commission and net amount from a transaction and rate.
Use Tool →FREE TOOLRevenue Growth Calculator
Calculate revenue growth or decline between two periods.
Use Tool →Startup & SaaS Calculators
MRR Calculator
Track monthly recurring revenue movements: new, expansion, churned and contraction MRR.
Use Tool →FREE TOOLARR Calculator
Calculate annual recurring revenue from MRR, or from customers and average annual contract value.
Use Tool →FREE TOOLARPU Calculator
Calculate average revenue per user or customer for a period.
Use Tool →FREE TOOLChurn Calculator
Calculate customer churn rate or revenue churn rate for a period.
Use Tool →FREE TOOLCAC Calculator
Calculate customer acquisition cost from sales and marketing spend.
Use Tool →FREE TOOLLTV Calculator
Calculate customer lifetime value from ARPU, gross margin and churn rate or average lifespan.
Use Tool →FREE TOOLLTV:CAC Calculator
Calculate the LTV:CAC ratio from an entered lifetime value and acquisition cost.
Use Tool →FREE TOOLBurn Rate Calculator
Calculate gross and net monthly burn rate from operating expenses and revenue.
Use Tool →FREE TOOLRunway Calculator
Calculate how many months of cash remain at the current net burn rate.
Use Tool →Digital Marketing Calculators
CTR Calculator
Calculate click-through rate from clicks and impressions.
Use Tool →FREE TOOLCPC Calculator
Calculate cost per click from ad spend and clicks.
Use Tool →FREE TOOLCPM Calculator
Calculate cost per 1,000 impressions from ad spend and impressions.
Use Tool →FREE TOOLConversion Rate Calculator
Calculate conversion rate from conversions and visitors or clicks.
Use Tool →FREE TOOLROAS Calculator
Calculate return on ad spend and ROI from ad revenue and ad spend.
Use Tool →FREE TOOLEmail Open Rate Calculator
Calculate email open rate, and click-to-open rate if you track email clicks.
Use Tool →Freelancer Calculators
Hourly Rate Calculator
Calculate the hourly rate needed to reach a desired annual income from billable hours and expenses.
Use Tool →FREE TOOLFreelance Project Quote Calculator
Calculate a project quote from estimated hours, hourly rate, fixed expenses and a target profit margin.
Use Tool →FREE TOOLDay Rate Calculator
Calculate a day rate from an hourly rate and billable hours per day.
Use Tool →FREE TOOLLate Payment Fee Calculator
Calculate late payment interest and the total now due from an overdue invoice amount and rate.
Use Tool →FREE TOOLRetainer Calculator
Calculate a monthly retainer fee from committed hours, hourly rate and an optional retainer discount.
Use Tool →E-commerce Calculators
AOV Calculator
Calculate average order value from total revenue and number of orders.
Use Tool →FREE TOOLShipping Cost Calculator
Estimate shipping cost from a base rate, a per-kg rate, weight and an optional surcharge.
Use Tool →FREE TOOLE-commerce Profit Calculator
Calculate profit per order after product cost, shipping, payment fees and ad cost.
Use Tool →FREE TOOLBreak-Even ROAS Calculator
Calculate the break-even return on ad spend from your gross margin.
Use Tool →FREE TOOLCart Abandonment Calculator
Calculate cart abandonment rate from carts created and completed purchases.
Use Tool →International Documents
International Invoice Generator
Create an itemized invoice in any currency with a flat tax rate per line and a local PDF download.
Use Tool →FREE TOOLInternational Quotation / Estimate Generator
Create an itemized quotation or cost estimate in any currency with optional validity period and client-side PDF export.
Use Tool →FREE TOOLInternational Receipt Generator
Generate clean, itemized payment receipts in any currency with payment method records and PDF export.
Use Tool →FREE TOOLProforma Invoice Generator
Create professional proforma invoices in any currency with estimated shipping, payment terms, and validity dates.
Use Tool →Business Management
Business Expense Calculator
Summarize expense entries by category and month without storing them.
Use Tool →FREE TOOLCash Flow Calculator
Compare inflows and outflows to estimate the closing cash balance.
Use Tool →FREE TOOLInventory / Stock Calculator
Estimate available units, closing stock and values at an assumed unit cost.
Use Tool →Who these business tools are for
FinBizTools Business Tools are designed for small business owners, freelancers, independent contractors, traders, shopkeepers and professionals who need straightforward utilities for daily operations without complex software setups or subscriptions.
What business tasks they solve
The business suite addresses common operational tasks across three areas:
- Billing and documentation: Create itemized GST invoices, commercial quotations and payment receipts ready for printing or instant PDF download.
- Pricing and profitability: Calculate profit margins, markups and break-even sales volume to set sustainable selling prices.
- Financial tracking: Categorize daily business expenses, monitor cash inflows and outflows, and estimate stock movement and inventory values.
Key benefits
All calculations and document generations take place privately within your browser session. No customer records, invoice items or uploaded business logos are sent to or stored on our servers. Enjoy fast, accessible tools that require no sign-up or installation.
How to use the tools
Select any tool from the directory above. Enter your business numbers or particulars into the clearly labeled form fields. For document generators, a live preview updates as you make changes. When ready, print directly or download your document as a PDF, JSON file or CSV spreadsheet.
Disclaimer
Results and generated documents are informational estimates based on your entered data. Review all tax rates, particulars and financial figures with a qualified professional before issuing documents or making financial decisions. Read our Disclaimer and Privacy Policy.