Salary Calculator
Convert between hourly, daily, weekly, monthly and annual pay.
Check the numbers above — one of them can't be used (for example a term of zero).
How this is worked out
Every conversion runs through an annual figure, because that is the only common ground between an hourly wage and a monthly salary.
Two details cause most of the confusion people run into:
A month is not four weeks. It is 52 ÷ 12 = 4.333 weeks. Multiplying a weekly wage by four understates annual pay by about 8% — roughly a month's money. This calculator uses the correct figure.
Unpaid weeks change the hourly rate but not the annual one. For salaried employees, holiday is paid, so the field stays at zero. For contractors and freelancers it is the single most distorting number in the whole calculation. If you invoice a day rate for 46 weeks rather than 52, your true hourly earnings are meaningfully lower than the rate you quote.
A worked example
25 an hour, 40 hours a week, no unpaid weeks:
- A year: 52,000
- A month: about 4,333
- A week: 1,000
Now the freelance version of the same rate. Set unpaid weeks to 6 — five weeks of holiday and one of illness:
- A year: 46,000
- A month: about 3,833
The hourly rate did not change. The annual income fell by 6,000. This is the most common mistake made when leaving employment for contracting: comparing a contract day rate against a salary without subtracting the weeks nobody pays you for, plus the pension contributions, sick pay and paid holiday that stopped arriving.
What this doesn't cover
- These are gross figures. Income tax, social security and pension contributions are not deducted, because those depend on where you live — and tax rules change every year.
- Overtime, bonuses, commission and shift premiums are not modelled. Enter your base rate and treat extras separately.
- For contractors, business costs — accountant, insurance, equipment, software — come out of the annual figure as well.
Common questions
How do I turn a salary into a fair day rate?
Start with the salary, add the employer's on-costs you will now cover yourself (pension, employer social security, equipment, insurance), then divide by the days you realistically expect to bill — not 260. Many contractors use 220 to 230. The resulting rate is usually a good deal higher than salary ÷ 260, and that gap is not profit; it is replacing benefits.
Why does my monthly pay differ slightly month to month?
If you are paid a fixed monthly salary it should not. If you are paid hourly or weekly, months contain different numbers of working days, so the amount moves. Over a full year it evens out to the annual figure.
Should I use 40 hours if I actually work more?
Enter what you actually work if you want to know your real hourly rate. Enter your contracted hours if you want the official one. The gap between the two answers is often the more interesting number.
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