Hybrid Work Cost-Benefit Calculator — Putting Commuting Time on the Bill

Remote work does not save money, it moves costs. Transport and meals go down while electricity, internet and equipment go up, and commuting time disappears only to be spent somewhere else. That is why time has to be in the calculation.

Four things to include

1. Transport — season pass, fuel (distance × fuel use × price), parking, commuter card
2. Meal difference — if there is a canteen, what you would spend at home instead
3. Time cost — one-way minutes × 2 × days in, converted at an hourly rate
4. Switch costs — extra electricity and internet, monthly depreciation of equipment

The time conversion formula

Hourly value = monthly net pay ÷ 209

209 hours is the standard monthly equivalent of 40 hours a week. Commuting time is "not time you work, but time you spend because of work," so it is valued at the same rate. At a net pay of 3 million won, the hourly value is about 14,400 won.

Comparison table (net pay 3 million won, 50 minutes one way, 21 days in per month)

Item	5 days in	3 days in	Fully remote
Transport	130,000 won	78,000 won	0
Meal difference	80,000 won	48,000 won	0
Extra electricity and internet	0	15,000 won	25,000 won
Equipment depreciation	0	12,500 won	25,000 won
Monthly cash cost	210,000 won	about 154,000 won	50,000 won
Commuting time	35 hours	21 hours	0
Value of time (14,400 won/hr)	504,000 won	302,000 won	0
Monthly total burden	about 714,000 won	about 456,000 won	about 50,000 won

The gap between five days in and full remote is roughly 660,000 won a month, about 8 million won a year. Raising an annual salary by 8 million won is hard; changing the working arrangement changes the arithmetic.

Equipment depreciation

If the up-front cost of working remote — desk, chair, monitor — is 600,000 won:

• Monthly depreciation = 600,000 won ÷ 24 months = 25,000 won

That models buying it again every two years. Buying well means using it long. But loading the whole up-front cost into one month distorts the result, so always spread it.

What is left out

• Focus — if it overlaps with childcare or housework, the time gain disappears.
• Heating and cooling — varies by season from 50,000 to 150,000 won a month.
• The cost of relationships — fewer meetings and less networking is hard to price. In fields where careers move through relationships, calculate conservatively.
• Company support — if equipment or meals are provided, just remove that line.

Lock it in on paper

If remote looks favourable, the favour has to be fixed in the contract. Check where the working arrangement, days in the office, equipment support and security rules are written. The checklist in the employment types comparison post applies here unchanged.

Summary

Most of the benefit of remote work comes from time. Counting transport alone gives roughly 1.5 million won a year; adding time gives roughly 8 million won. The moment you decide what counts as a cost, the negotiation over working arrangements changes weight.