How to Bill Hourly: Complete Freelancer's Guide

Hourly billing can be incredibly profitable when done right. Here's everything you need to know about billing by the hour as a freelancer or contractor.

Why Bill Hourly?

Advantages

Disadvantages

Setting Your Hourly Rate

Calculate Your Minimum Rate

```

Annual expenses + Desired profit

───────────────────────────────── = Minimum hourly rate

Billable hours per year

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Example:

Market Research

Rate Strategies

Single Rate: One rate for all work (simplest)

Tiered Rates:

Project-Based Adjustment: Adjust hourly rate based on project complexity

Time Tracking Best Practices

What to Track

✅ All client work

✅ Calls and meetings

✅ Email correspondence (if substantive)

✅ Research for the project

✅ Revisions and corrections

❌ General admin unrelated to client

❌ Your own breaks

❌ Learning new skills (unless agreed)

Tracking Methods

Manual Entry:

Record start/stop times manually

Time Tracking Apps:

Automated tracking with timers

Rounding Rules:

Choose increments and stick to them:

Daily Tracking Workflow

Morning:

  1. Review planned tasks
  2. Start timesheet
  3. Note first task start time

Throughout Day:

  1. Track each task immediately after completion
  2. Include specific descriptions
  3. Mark billable vs non-billable

End of Day:

  1. Review all entries
  2. Fill any gaps
  3. Calculate daily total
  4. Backup data

Creating Time-Based Invoices

Invoice Structure

Header Section:

Time Summary:

Detailed Breakdown (optional but recommended):

Include timesheet showing:

Presentation Options

Summary Invoice:

"Consulting Services: 40 hours @ £50/hour = £2,000"

Detailed Invoice:

Attach full timesheet showing daily breakdown

Billing Frequency

Weekly:

Good for short-term contracts, maintains steady cash flow

Bi-weekly:

Balance between admin burden and cash flow

Monthly:

Professional standard for most contracts

Project milestones:

Bill after completing specific phases

Communicating with Clients

Setting Expectations Upfront

Contract Must Include:

Sample Contract Language

"Services will be billed at £50 per hour, rounded to the nearest 15 minutes. Invoices will be submitted bi-weekly covering the previous two weeks' work. Payment is due within 14 days of invoice date. Detailed timesheets will be provided with each invoice."

Handling Client Concerns

"How do I know you're working efficiently?"

"Can we set a maximum?"

"Your rate seems high"

Managing Profitability

Track Everything

Monitor these metrics:

Improve Billable Percentage

Reduce non-billable time:

Increase billable hours:

When to Raise Rates

Common Hourly Billing Mistakes

❌ Not tracking time consistently

Lost hours = lost income

❌ Underestimating non-billable time

Admin, marketing, accounting all take time

❌ Being vague about scope

"Small changes" add up quickly

❌ Not reviewing timesheets

Errors compound over time

❌ Apologizing for hours worked

You earned that time—bill it

❌ Not having contracts

Always get hourly arrangements in writing

Alternative Billing Models

Hybrid Approach

Base retainer + hourly for overages

Value-Based Pricing

Charge based on value delivered, not time

When to Switch

Consider moving away from hourly when:

Tools for Hourly Billing

Essential

Professional Upgrade

Record Keeping

What to Save

Organization

Start Billing Professionally

Track your time and create professional invoices:

Disclaimer: This guide provides general business advice and does not constitute financial, legal, or accounting advice. Consult professionals for specific guidance.