FIRE Calculator

FIRE Calculator MCP Connector for Claude

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Estimate your timeline and capital requirements for Financial Independence, Retire Early (FIRE).

3 tools Official Updated Jun 28, 2026 Official Vinkius Partner

The FIRE Calculator is a specialized financial modeling tool designed to help you navigate the path to Financial Independence. By using tools like calculate_milestones, get_lifestyle_targets, and simulate_contribution_impact, you can project your retirement date, determine the net worth required for different lifestyle tiers (Lean, Standard, Fat, or Barista FIRE), and see how changes in your monthly savings rate will impact your timeline. It uses the 4% rule to provide realistic targets based on your expected real rate of return.

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3 tools expose this connector's capabilities to your AI agent.

calculate_milestones

Calculate FIRE milestones

get_lifestyle_targets

Get FIRE lifestyle targets

simulate_contribution_impact

Simulate contribution impact

See how to talk to your AI agent using FIRE Calculator.

How much net worth do I need to retire if I want to spend $5,000 per month?

To sustain a monthly spending of $5,000 ($60,000 annually), you will need a target net worth of $1,500,000 based on the 4% rule.

If I increase my monthly savings from $1,000 to $2,000, how much time will I save?

Increasing your contribution from $1,000 to $2,000 will accelerate your path to financial independence by approximately 8 years.

Show me the wealth targets for different FIRE lifestyles based on $3,000 monthly expenses.

Based on a $3,000 monthly baseline, your targets are: Lean FIRE: $720,000; Standard FIRE: $900,000; Barista FIRE: $1,080,000; and Fat FIRE: $1,440,000.

The 4% rule is a guideline suggesting that you can withdraw 4% of your initial retirement portfolio annually, adjusted for inflation, with a high probability of the funds lasting at least 30 years.

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