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.