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Evan Miller

I'm a software engineer who builds web applications and data tools. I personally implement and verify the formula and logic behind every calculator on Launch Hub. I publish them as free online tools so anyone can get an answer without signing up or paying.

SaaS Pricing Tier Calculator

This tool helps entrepreneurs, small business owners, and e-commerce sellers structure profitable SaaS pricing tiers. It calculates revenue, margin, and customer acquisition cost breakdowns for different subscription plans. Use it to align pricing with your business goals and market positioning.

Waste Audit Cost Estimator

Estimate total costs for residential, commercial, municipal, or industrial waste audits. This tool helps sustainability professionals, researchers, and eco-conscious individuals plan audit budgets accurately. Input key variables like facility size, waste volume, and labor rates to get a detailed cost…

Early Payoff Calculator

This early payoff calculator helps individuals with active loans estimate savings from paying off debt ahead of schedule. It works for mortgages, auto loans, student loans, and personal lines of credit. Use it to plan extra payments and adjust your…

Realized vs Unrealized Gain Calculator

This tool helps individuals and financial planners calculate realized and unrealized gains on investments. It breaks down taxable realized gains versus paper unrealized gains for clear portfolio tracking. Use it to assess your investment performance before selling assets.

Food Waste Reduction Calculator

Food waste reduction calculator helps food business owners, e-commerce sellers, and hospitality operators estimate avoidable waste costs and potential savings. It calculates financial impact using your operational data and waste reduction targets. Use it to inform pricing, margin adjustments, and…