E-commerce

Marketplace Margin Calculator

Estimate per-order marketplace contribution after platform, shipping, payment, return and tax costs.

ROAS Calculator

Compare attributed revenue with ad spend and see the contribution-profit view behind ROAS.

COD Cost Calculator

Estimate expected COD cost and contribution after RTO, return shipping and cash-cycle assumptions.

StartupBeta

CAC Calculator

Calculate blended and paid-channel customer acquisition cost from a declared attribution window.

StartupBeta

LTV Calculator

Illustrate simple subscription LTV using ARPU, gross margin and a churn sensitivity range.

Amazon Fees Calculator

Estimate Amazon marketplace fees and contribution using a verified snapshot plus seller-specific overrides.

Flipkart Fees Calculator

Estimate Flipkart fixed, commission, collection, shipping and GST fees using the standard card and overrides.

Everyday UtilitiesBeta

Discount Calculator

Calculate savings and final price for one or two successive discounts without silently adding GST.

Fuel Expense Calculator

Estimate litres and fuel cost from distance, mileage, trips and a price you enter yourself.

Volumetric Weight Calculator

Compare dimensional and actual package weight with a visible, user-overridable divisor.

Price Tag Generator

Prepare printable retail price tags with declared MRP, offer price, SKU and an optional scannable Code 128 barcode.

Shipping Label Generator

Prepare a 4 × 6 shipping label draft with sender, recipient, order reference and an optional scannable Code 128 barcode.

GST & TaxBeta

HSN/SAC Reference Samples

Search a small versioned HSN/SAC reference fixture by code or keyword.