---
title: "Deal Probability Calculator - Free calculator | FirstSales"
description: "The Deal Probability Calculator estimates likelihood to close based on stage, engagement, and historical data. Improve forecast accuracy with probabil"
canonical: "https://firstsales.io/tools/deal-probability-calculator/"
---

100% Free • No SignupSales Calculatorscalculator

# Deal Probability Calculator

Estimate the close probability of any deal based on stage, engagement signals, and historical win rates. Works instantly without signup.

Instant Results

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Deal Probability Calculator

Calculate Deal Close Probability

Deal Stage

Prospecting (10% base)Qualification (20% base)Needs Analysis (30% base)Value Proposition (40% base)Proposal/Quote (50% base)Negotiation (60% base)Closing (75% base)

Deal Size ($)

$

Days in Current Stage

Total Sales Cycle (Days)

Number of Competitors

Budget Status

Budget ConfirmedBudget LikelyBudget Uncertain

Decision Maker Status

Engaged with Decision MakerDecision Maker IdentifiedDecision Maker Unknown

Previous Relationship with Customer

Engagement Signals

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## Key Features

Multi-factor analysis

Stage-based probability

Engagement scoring

Historical data

Confidence intervals

## Use Cases

1

Forecasting

2

Deal prioritization

3

Resource allocation

4

Risk assessment

Tool Info

Typecalculator

Free

Yes

Signup

Not Required

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## About Deal Probability Calculator

The Deal Probability Calculator estimates likelihood to close based on stage, engagement, and historical data. Improve forecast accuracy with probability assessment.

## Automate Your Sales Calculators

This free tool is great for quick checks. FirstSales automates your entire sales calculators workflow with AI-powered personalization and 87% inbox placement.

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## FAQs

Your questions answered

Can't find what you're looking for? Contact our [customer support team](mailto:support@firstsales.io)

### General

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### Deliverability

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Can't find what you're looking for? Contact our [customer support team](mailto:support@firstsales.io)