Duckworth-Lewis Calculator

Category: Sports

- September 05, 2025

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Calculate revised targets using the Duckworth-Lewis-Stern (DLS) method for interrupted cricket matches. This calculator helps determine fair target scores when rain or other circumstances reduce playing time.

Calculator Type

Match Settings

Match Type:

Total Overs:

First Innings

Team 1 Score:

Team 1 Wickets Lost:

Team 1 Overs Played:

Interruption Details

Team 2 Overs Available:

Interruption Type:

Advanced Options

Show calculation details

Apply minimum overs rule (20 overs in ODI)

DLS Target Results

Revised Target

to win in 0 overs

Par Score

Team 2 needs more than this to win

Current DLS Par

at 0 overs

Resource Percentage

Team 2 vs Team 1

Par Scores by Wickets Lost

Wickets Lost	Par Score

Par Scores by Over

Over	Par Score (0 wickets)	Par Score (2 wickets)	Par Score (4 wickets)	Par Score (6 wickets)	Par Score (8 wickets)

Calculation Details

About the Duckworth-Lewis-Stern Method

What is the DLS Method?

The Duckworth-Lewis-Stern (DLS) method is a mathematical formulation used in cricket to calculate revised targets for the team batting second when matches are interrupted by weather or other circumstances. It was developed by statisticians Frank Duckworth and Tony Lewis, and later refined by Steven Stern.

Key Concepts

Resources: Each team starts with 100% of their resources (overs and wickets). As overs are used or wickets fall, resources are consumed.
Resource Tables: The DLS method uses tables of resource percentages that indicate how much of a team's scoring resources remain with a given number of overs and wickets left.
Par Score: The score that the team batting second needs to achieve to tie the match, calculated based on the resources available to both teams.
Target Score: The par score plus one run, which is the score needed to win.

Standard vs. Professional Edition

There are two versions of the DLS method:

Standard Edition: Simplified version used in most domestic cricket and lower levels.
Professional Edition: More complex version with regularly updated tables, used in international cricket and major tournaments. It includes additional parameters like G50 (average score in uninterrupted 50-over innings).

Note: The actual Professional Edition resource tables are proprietary and not publicly available. This calculator uses approximations based on published information.

Minimum Overs Requirement

In ODI cricket, a minimum of 20 overs must be faced by the team batting second for a result to be declared using the DLS method. In T20 cricket, this minimum is typically 5 overs.

Understanding the Duckworth-Lewis Calculator

The Duckworth-Lewis Calculator is a vital tool for cricket fans and teams alike. It helps calculate revised target scores during interrupted matches, especially when rain stops play. This calculator uses the Duckworth-Lewis-Stern (DLS) method, which ensures fairness when weather conditions cut short a Game. With just a few inputs, users can find out what score the second team needs to chase in order to win.

How the Calculator Works

The calculator operates based on mathematical formulas that consider the resources left in a match. These resources include overs and wickets remaining for the batting team. When a match is interrupted, the calculator takes into account these factors to determine a new target score. This way, both teams have a fair chance of winning, even if the match isn’t played as planned.

Key Features of the Calculator

Options for both Standard and Professional Editions, catering to different levels of play.
Custom match settings allowing users to input various overs and scores.
Detailed results that include par scores and current DLS par throughout the game.
Ability to show calculation details for users wanting to understand the numbers behind the result.

Benefits of Using This Tool

Using the Duckworth-Lewis Calculator can make a significant difference during matches. It helps players, coaches, and fans stay informed about the game’s progress. Knowing the revised target can change a team’s strategy, especially when time is limited. This tool also reduces confusion and disputes over scores, allowing everyone to focus on the game itself.

Types of Matches Supported

The calculator supports various formats of cricket, including One Day Internationals (ODIs) and Twenty20 (T20) matches. Users can select their match type, ensuring that the calculations reflect the rules and expectations of each format. This flexibility makes it suitable for both domestic games and international tournaments.

Custom Inputs for Accurate Results

Team scores and wickets lost can be inputted for accurate calculations.
Users can also specify the number of overs remaining for the second team.
Options for interruption types are provided, helping the calculator to give the most relevant results.

Understanding DLS Methodology

The DLS method is based on the idea that a team’s ability to score runs is affected by their remaining resources. When a match is interrupted, the remaining overs and wickets inform how much of their scoring potential they still hold. This methodology ensures a fair approach to target setting in cricket, reflecting the dynamics of the game accurately.

Getting Started with the Calculator

To use the Duckworth-Lewis Calculator, you simply enter the required match details and scores into the provided fields. With clear headings and straightforward inputs, it is user-friendly for everyone, whether you’re a seasoned cricket analyst or just a curious fan. This tool is designed to provide you with quick results, enhancing your cricket watching experience.