Máy tính Giảm giá

Use the free online Máy tính Giảm giá tool. Fast, private and easy to use — runs entirely in your browser. Part of our Máy tính collection.

Máy tính Phần trăm

Percent (X%) Of value (Y) Part (for reverse)

Work out a percentage of a number, or what percentage one number is of another.

Máy tính Trung bình

Numbers (comma or space separated)

Calculate the mean, median, sum, count, minimum and maximum of a list of numbers.

Máy tính Biên lợi nhuận

Cost Revenue (or leave 0) Target margin % (if no revenue)

Find profit, margin and markup from cost and revenue — or the revenue needed for a target margin.

Máy tính Giảm giá

Original price Discount %

See the final price after a discount and how much you save.

Máy tính Thuế GTGT

Amount Rate % Mode

Add or remove GST/VAT at any rate to get net, tax and gross amounts.

Máy tính Phí PayPal

Amount Percent fee % Fixed fee

Estimate PayPal fees and the amount to request so you receive what you need.

Máy tính Phí Stripe

Amount Percent fee % Fixed fee

Estimate Stripe processing fees and the charge needed to net a target amount.

Máy tính CPM

Campaign cost Impressions CPM (leave 0 to solve)

Calculate CPM, total cost or impressions for an ad campaign — fill any two.

Máy tính Xác suất

P(A) — 0 to 1 P(B) — 0 to 1

Compute the probability of A and B, A or B, not A, and neither for independent events.

Máy tính Khoảng tin cậy

Sample mean Standard deviation Sample size (n) Confidence level

Find the confidence interval for a mean at 90%, 95% or 99% confidence.

Máy tính Số ngày

Start date End date

Count the number of days, weeks and months between two dates.

Máy tính Giờ

Start time End time

Work out the hours and minutes between two times, including overnight shifts.

Máy tính Tháng

Start date End date

Count the whole months — and years plus months — between two dates.

Máy tính TDEE

Gender Age Height (cm) Weight (kg) Activity level

Estimate your Total Daily Energy Expenditure (TDEE) and calorie targets for weight goals.

Frequently Asked Questions

Is the Máy tính Giảm giá free to use?

Yes. The Máy tính Giảm giá is completely free with no sign-up, no limits and no watermarks. You can use it as many times as you like.

Is the Máy tính Giảm giá safe and private?

Absolutely. The Máy tính Giảm giá runs entirely in your browser, so your data never leaves your device and nothing is uploaded to a server.

Do I need to install anything to use the Máy tính Giảm giá?

No installation is needed. The Máy tính Giảm giá works instantly online in any modern browser on desktop, tablet or mobile.

Does the Máy tính Giảm giá work on mobile phones?

Yes. The Máy tính Giảm giá is fully responsive and works smoothly on iPhone, Android and any other device.