diff --git a/decimal.go b/decimal.go
index 134ece2..ec39bf9 100644
--- a/decimal.go
+++ b/decimal.go
@@ -777,6 +777,30 @@ func (d Decimal) Round(places int32) Decimal {
 	return ret
 }
 
+// RoundStep rounds the decimal to the nearest step value.
+// Doesn't matter if step parameter is positive or negative,
+// the result is the same.
+// If lower is set to true, value will be rounded to the lower
+// step value.
+//
+// Example:
+//
+//     NewFromFloat(0.43).RoundStep(NewFromFloat(0.5), false).String() // output: "0.5"
+//     NewFromFloat(0.43).RoundStep(NewFromFloat(0.5), true).String() // output: "0"
+// 	   NewFromFloat(0.000355666).RoundStep(NewFromFloat(0.0005), false).String() // output: "0.0005"
+// 	   NewFromFloat(0.000355666).Round(NewFromFloat(0.0005), true).String() // output: "0"
+// 	   NewFromFloat(0.000355666).Round(NewFromFloat(0.0001), false).String() // output: "0.0004"
+// 	   NewFromFloat(0.000355666).Round(NewFromFloat(0.0001), true).String() // output: "0.0003"
+//
+func (d Decimal) RoundStep(step Decimal, lower bool) Decimal {
+	step = step.Abs()
+	if lower {
+		return d.Div(step).Floor().Mul(step)
+	}
+
+	return d.Div(step).Round(0).Mul(step)
+}
+
 // RoundBank rounds the decimal to places decimal places.
 // If the final digit to round is equidistant from the nearest two integers the
 // rounded value is taken as the even number
diff --git a/decimal_test.go b/decimal_test.go
index 64f0552..5630d5c 100644
--- a/decimal_test.go
+++ b/decimal_test.go
@@ -2395,6 +2395,44 @@ func TestAvg(t *testing.T) {
 	}
 }
 
+func TestRoundStep(t *testing.T) {
+	res := NewFromFloat(0.43).RoundStep(NewFromFloat(0.5), false)
+	exp := NewFromFloat(0.5)
+	if !res.Equal(exp) {
+		t.Errorf("Failed to round by step, expected %s got %s", exp.String(), res.String())
+	}
+
+	res = NewFromFloat(0.43).RoundStep(NewFromFloat(0.5), true)
+	exp = Zero
+	if !res.Equal(exp) {
+		t.Errorf("Failed to round by step, expected %s got %s", exp.String(), res.String())
+	}
+
+	res = NewFromFloat(0.000355666).RoundStep(NewFromFloat(0.0005), false)
+	exp = NewFromFloat(0.0005)
+	if !res.Equal(exp) {
+		t.Errorf("Failed to round by step, expected %s got %s", exp.String(), res.String())
+	}
+
+	res = NewFromFloat(0.000355666).RoundStep(NewFromFloat(0.0005), true)
+	exp = Zero
+	if !res.Equal(exp) {
+		t.Errorf("Failed to round by step, expected %s got %s", exp.String(), res.String())
+	}
+
+	res = NewFromFloat(0.000355666).RoundStep(NewFromFloat(0.0001), false)
+	exp = NewFromFloat(0.0004)
+	if !res.Equal(exp) {
+		t.Errorf("Failed to round by step, expected %s got %s", exp.String(), res.String())
+	}
+
+	res = NewFromFloat(0.000355666).RoundStep(NewFromFloat(0.0001), true)
+	exp = NewFromFloat(0.0003)
+	if !res.Equal(exp) {
+		t.Errorf("Failed to round by step, expected %s got %s", exp.String(), res.String())
+	}
+}
+
 func TestRoundBankAnomaly(t *testing.T) {
 	a := New(25, -1)
 	b := New(250, -2)