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Invoice Payment Schedule Generator

Build a milestone or stage payment schedule for a project, with dates and triggers.

Quick Tool Overview

The Payment Schedule Generator builds a stage payment schedule — named milestones, percentages, dates and objective triggers — and shows how much of the money arrives early versus late, which is what decides who is funding the work.

What it does
Builds a milestone payment schedule
You give it
The project value and the stages
You get back
A schedule with running totals and cash flow
Best for
Projects too long to bill in one go
Invoice Tools Free, unlimited use No sign-up Runs in your browser

About the Invoice Payment Schedule Generator

A project billed in one invoice at the end is a project funded out of your own working capital. A stage payment schedule moves that risk, and the schedule itself is what turns a vague agreement about paying as you go into something either side can check.

This builds one. Name the stages, set each as a percentage or an amount, give each a trigger — a date, a deliverable, an acceptance — and it produces the schedule with the running total, the balance remaining and the cash flow over time.

It also checks the shape. A schedule that is back-loaded leaves you funding most of the work, and one that takes everything up front is rarely accepted. The calculator shows what proportion arrives in each third of the project, which is the quickest way to see whether a schedule is actually protecting you or just looks like it does.

Key features of the Invoice Payment Schedule Generator

Percentages checked

The stages have to add up to 100%, and it says when they do not.

Objective triggers

A date, a deliverable or an acceptance — not "stage two".

Cash flow shape

How much arrives in each third of the project.

Final payment sized

A large one hands the client leverage at the worst moment.

Copyable schedule

To go into the contract, where it belongs.

How to use the Invoice Payment Schedule Generator

  1. 1

    Enter the project value

    The full contract price, excluding tax.

  2. 2

    Name the stages

    Deposit, milestones, completion, retention release.

  3. 3

    Set each share

    A percentage or a fixed amount. The tool checks they add to 100%.

  4. 4

    Give each a trigger

    A date, a deliverable or an acceptance — not just "stage two".

  5. 5

    Check the shape

    How much arrives early versus late, which is what decides who funds the work.

Frequently asked questions

For a small project, 50% on signature and 50% on completion. For a larger one, a 25 to 33% deposit with two or three milestones and a final balance. Construction uses monthly valuations with retention instead.

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