FinToolSuite

Bonus vs Salary Increase Calculator

Updated April 17, 2026 · Income · Educational use only ·

Compare a one-off bonus to a permanent raise.

Compare the lifetime value of a one-off bonus against a permanent salary increase over a set horizon. Enter alternative annual raise to see which wins.

What this tool does

Enter your bonus amount, the alternative salary increase, and how many years you expect to stay in the role. The tool totals both cash streams and shows which wins.


Enter Values

Formula Used
One-off payment
Annual salary increase
Horizon in the role

Spotted something off?

Calculations, display, or translation — let us know.

Disclaimer

Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.

A one-off bonus is simple: you get the cash once. A salary increase keeps paying every year you stay. The maths tips toward the raise once your horizon gets long enough. Example: a 5,000 bonus beats a 1,000/year raise in year one, but after five years the raise has paid 5,000 and kept going.

How to use it

Enter the bonus on the table, the salary bump being offered instead, and the number of years you expect to stay. The tool compares total cash received.

Decision comparator.

Quick example

With one-off bonus of 5,000 and alternative annual raise of 1,500 (plus years in role of 5), the result is 2,500.00. Change any figure and watch the output shift — it's often more useful to see the pattern than to memorise the formula.

Which inputs matter most

You enter One-off Bonus, Alternative Annual Raise, and Years in Role. Two inputs usually tip the answer one way or the other. Identify which ones matter most by flipping each value past a round threshold and watching whether the winning option changes.

What's happening under the hood

Sum the raise across the horizon and compare to the bonus. Ignores tax and investment of the bonus — both affect outcome but depend on personal circumstances. The formula is listed in full below. If the number looks off, you can retrace the calculation by hand — that's the point of showing the working.

Using this in pay negotiations

Knowing the exact figure behind a headline rate gives you specific numbers to anchor to in conversations about pay. "The difference is £X per month after tax" lands harder than "a couple of grand a year". Concrete numbers move decisions.

What this doesn't capture

Tax bands, pension contributions, student-loan deductions, and benefits-in-kind sit outside this calculation. The figure is the headline; your actual position depends on local tax rules and personal circumstances. Pair with a dedicated take-home calculator for the full picture.

Example Scenario

Bonus vs raise produces a winner based on the inputs provided.

Inputs

One-off Bonus:5,000 £
Alternative Annual Raise:1,500 £
Years in Role:5
Expected Result£2,500.00

This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.

Sources & Methodology

Methodology

Sum the raise across the horizon and compare to the bonus. Ignores tax and investment of the bonus — both affect outcome but depend on personal circumstances.

Frequently Asked Questions

What about investing the bonus?
A bonus invested at compound growth can close the gap. This tool shows cash-to-cash comparison without that assumption so you see the baseline before factoring returns.
Does tax change the answer?
Both are usually taxed as income. The relative ordering rarely changes, but the absolute gap shrinks at higher marginal rates.
What if I might leave early?
Shorter horizons favour the bonus. Model the worst-case year count before picking.
Does the raise compound?
A flat raise does not compound on itself, but it raises the base for future percentage raises and pension contributions — a real benefit this calculator does not model.

Related Calculators

More Income Calculators

Explore Other Financial Tools