Rush fees: price the schedule, not the urgency

Short answer A rush fee should pay for the shorter schedule itself: the extra hours, any helper you must buy in, the coordination time, and the margin you would earn on the normal plan. In the illustrative job below, a 10-day plan costs 4,800 and is priced at 6,400 for a 25% margin. Delivering in 5 days costs 5,440, so the lowest price that keeps a 25% margin is about 7,253. A flat 10% surcharge, 7,040, keeps the same 1,600 of profit as the normal plan while carrying the extra risk.

Why a shorter window is a different job

A deadline changes the work, not only the calendar. If a job needs 80 hours and you can give it 8 focused hours a day, a 10-working-day window fits exactly, and nothing about the plan is unusual. Cut the window to 5 days and the same 80 hours need 16 hours a day from one person. That is not a plan a client should buy, and it is not one you should sell.

A rush therefore involves at least one of three things: more people, more of your hours, or less work. Each has a cost and a risk. Pricing the rush means putting a number on the first two, and deciding openly what happens to the third.

Set the standard plan first

Assumptions. Illustrative figures only: 80 hours of delivery work; an internal delivery cost of 60 an hour, which is a cost rate and not your billing rate (see cost rate versus billing rate); a helper's price of 70 an hour to you; and a target gross margin of 25%, measured as profit divided by price. Replace each figure with your own.

The standard plan is 10 working days at 8 hours a day, done by you alone. Its delivery cost is 80 × 60 = 4,800. To earn a 25% gross margin, the price must be cost ÷ (1 − 0.25) = 4,800 ÷ 0.75 = 6,400. Check it: profit of 1,600 on a price of 6,400 is 25%.

Build the rush plan from the calendar

The client wants delivery in 5 working days. Working alone at 8 hours a day, you can deliver 40 hours in that window, which leaves 40 hours uncovered. There are three ways to close the gap.

• Work longer days alone. 80 hours in 5 days is 16 hours a day. The cash cost does not rise, but all of the risk sits with one person, and every other commitment has to move.
• Bring in a helper for the shortfall. A freelancer covers the other 40 hours. You still need time to brief them, review their work and join the pieces, so the plan adds 4 hours of your time.
• Cut scope. Remove deliverables until 40 hours fits. That is a different product, and it should be priced and written down as one.

The helper option is the one priced below, because it keeps the full scope and the date without a 16-hour day. In that plan, your own time is 40 + 4 = 44 hours across five days, or 8.8 hours a day. That extra time is real, even though the arithmetic below charges it at the same internal cost as your normal hours. The project capacity calculator is built for this check: it compares required effort with available team hours and reports the shortfall and a minimum team size.

Price the helper option

The cost of the rush plan has four lines:

1. Your delivery hours: 40 × 60 = 2,400.
2. Helper hours: 40 × 70 = 2,800.
3. Your briefing, review and integration: 4 × 60 = 240.
4. Total cost: 2,400 + 2,800 + 240 = 5,440.

That is 640 more than the standard plan's 4,800. The lowest price that keeps a 25% margin is 5,440 ÷ 0.75 = 7,253.33, which is 853.33 above the standard price of 6,400. The premium is 13.3%.

Treat 7,253 as a floor, not as the price you should charge. It says what the rush costs you to deliver at the margin you already accept. If the client values the date more than the cost, the price can go higher. It should go lower only as a deliberate decision that accepts a thinner margin, written down as such.

Compare a flat surcharge with the cost floor

A flat percentage for urgency is quick to quote. It works only if the percentage clears the cost floor of the plan you are actually delivering. The table tests four surcharges on the 6,400 standard price against the rush plan's 5,440 cost.

A 10% surcharge looks generous, but on this plan it adds 640 of revenue to cover 640 of extra cost. Profit ends at 1,600, exactly the standard plan's profit, while the work has become more fragile. To earn a 25% margin on that extra cost, the added price must be 640 ÷ 0.75 ≈ 853, which is why the floor sits at 13.3% and not at 10%.

The helper's rate moves the floor more than the surcharge

After your own hours, the helper's price is the largest input. If the helper costs 90 an hour instead of 70, their 40 hours cost 3,600 rather than 2,800. The rush cost rises to 6,240, and the lowest price with a 25% margin becomes 6,240 ÷ 0.75 = 8,320, which is 30% above the standard price. The same 8,000 price that earned 32% now earns 22%.

Before you quote a rush, get the helper's price and confirm they can start on the day the work starts. A helper who needs two days to get up to speed has used up part of the window you are selling. Those hours are not in the table, so either price them or move the date.

Price the risk, not only the hours

The arithmetic above assumes the rush plan runs as scheduled. Compressed plans have more ways to slip: the helper needs more onboarding than expected, review finds rework, or client feedback arrives later than the calendar assumes. A fixed rush fee does not change those odds.

Test the compressed plan the way you would test any deadline. Give the duration as an optimistic, most likely and pessimistic range, then check the chance of finishing inside the window with the deadline confidence calculator. The reasoning behind that check is in the deadline confidence walkthrough. If the confidence is low, the choice is not simply between a higher price and a lower one. It is between a later date, a larger reserve, a smaller scope, and a contract term that says what happens if the date is missed.

Write the rush as an option

Give the client two plans instead of a single surcharge. The standard plan is 6,400 for 10 working days. The rush plan is at least 7,253 for 5 working days, with its assumptions listed, including the helper, the extra hours and the date by which scope must be fixed. A client who picks the rush has accepted a different plan, so agree the price, the scope and the payment schedule before the first hour is booked. The deposits and milestones walkthrough explains why a rush often needs money in before the helper's invoice arrives.

Be careful about delays the client causes. If the rush exists only because approvals arrived late, the cause is a change to the plan, not a new rush. Price it as a change request, following the approach for pricing a change request on a fixed-price project. If the client also wants a penalty for a missed rush date, price that separately, using the late-delivery penalty walkthrough.

If you are weighing the rush against other work, the capacity and opportunity cost post covers how scarce hours should change the decision. The rate side of the same question, how to reprice work for an existing client, is in the rate increase walkthrough.

Key takeaways

• A rush is a different plan. Price it from the extra hours, helper cost, coordination time and the margin you need.
• In the example, the rush floor is about 7,253, a 13.3% premium on the 6,400 standard price.
• A 10% surcharge brings in exactly the extra cost and leaves profit at the standard plan's 1,600, with more risk.
• Get the helper's price and start date before you quote. At 90 an hour, the floor rises to 8,320.
• Test the compressed date with a range-based confidence check, and write down what happens if it is missed.

Frequently asked questions

Is a flat 25% rush surcharge always enough?

Not on its own. A surcharge is enough when it clears the cost floor of the plan you are delivering. In the example, 25% gives a 32% margin on a helper at 70 an hour. If the helper costs 90 an hour, the rush cost rises to 6,240 and the same 8,000 price earns 22%, below a 25% target.

Should a rush fee apply when the client caused the delay?

Treat that as a change first. If late approvals or late content moved the date, the plan changed. Price the new plan through a change request. A rush surcharge belongs to a shorter date the client asked for, not to a delay the client caused.

How do I know whether a compressed date is realistic?

Give the compressed plan a range of durations, optimistic, most likely and pessimistic, and check the chance of finishing inside the window with the deadline confidence calculator. If you cannot give a credible range for the helper's onboarding, the date is not yet a pricing question. Ask for a later date or a smaller scope.

Can I just charge a higher hourly rate for overtime instead?

You can, but the arithmetic is the same. Overtime costs you hours even when no invoice arrives, and it concentrates the risk in one person. Count the hours first. A five-day window worked alone means 16 hours a day, and no price fixes that on its own.

What should a rush clause in the contract cover?

Name the rush date, the scope included, the price, the payment schedule and what happens if the date slips. If the client wants a penalty, price it separately, as the late-delivery penalty walkthrough describes.

Prepared with AI assistance. These are illustrative calculations checked against the calculator code, not client case studies or market benchmarks.