CAGR calculator

The steady yearly growth rate that turns a starting value into an ending value. Fill in any three of the four boxes.

Start value

End value

Years

CAGRAnswer

100,000 growing to 250,000 in 5 years is 20.11% a year

Show working

R = ((E ÷ S) ^ (1 ÷ N) − 1) × 100= ((250,000 ÷ 100,000) ^ (1 ÷ 5) − 1) × 100= 20.11%

Decimals

How it’s worked out

1CAGR is (end ÷ start) to the power of (1 ÷ years), minus 1. It smooths out the ups and downs into one yearly rate.
2Use it to compare investments held for different lengths of time.

Example

100,000 growing to 250,000 in 5 years is 20.11% a year.

Find the sale price, how much you save, or what discount you’re really getting. Any two of price, discount and final price.

2,499 with 40% off is 1,499.40

Add GST to a price or take it out of an inclusive one, with the CGST and SGST split. Works for VAT and any sales tax too.

1,000 plus 18% GST is 1,180

Price a product for the margin you want, or check the margin and markup on what you already sell.

Selling at 800 from a cost of 600 is a 25% margin

Turn exam marks into a percentage, or work out how many marks you need to reach a target score.

432 out of 500 is 86.4%

Fill in any two of the three boxes and the third works itself out: what is P% of X, X is what percent of Y, or X is P% of what.

15% of 200 is 30

How much did something go up or down, in percent? Enter the old and new values, or a value and a change to find the other.

From 80 to 100 is a 25% increase