Startup Success is Math, Not Luck.

The essential toolkit for founders and operators. Practical models to help you raise capital, manage cash, and scale growth.

Finance & Funding

Capital modeling and survival metrics.

Burn & Runway

See how many months of cash you have left.

SaaS Valuation

Estimate company worth via modern multiples.

Unit Economics

Analyze profit per unit and contribution margin.

Equity Dilution

Model ownership after a funding round.

Convertible Note

Calculate SAFE or Note conversions.

Berkus Method

Pre-revenue valuation for early startups.

Rule of 40

Balance growth vs. profitability.

Breakeven Point

When will your startup turn a profit?

Debt Repayment

Calculate venture debt and monthly payments.

CAC Payback Period

Months to recover customer acquisition cost.

Co-Founder Equity Split

Fair ownership model for startup teams.

Growth & Marketing

LTV, Churn, and Viral loop optimization.

MRR Projector

Project future monthly recurring revenue.

MRR Expansion + Churn

Net retention with upsells & churn.

CAC to LTV

Determine the health of your acquisition.

Viral Coefficient

Measure organic growth and k-factor.

ROAS Calculator

Calculate return on ad spend.

Churn Impact

The revenue cost of customer loss.

Referral ROI

Model the impact of referral programs.

Email Marketing ROI

Value your list and campaign performance.

Operations & Scaling

Hiring, platform fees, and pricing.

Burdened Cost

Total cost of hiring (salary + benefits).

App Store Tax

Net revenue after store commissions.

Agency Scaler

Profit modeling for service agencies.

Consulting Rate

Calculate your ideal hourly/project rate.

Why Use FounderCalculators?

Startup founders navigate a landscape where capital efficiency is the primary predictor of survival. Understanding your Unit Economics and Burn Rate isn't just about accounting—it's about strategy.

This platform provides free, browser-based tools modeled on industry-standard VC benchmarks to help you make data-driven decisions.